diff options
| -rw-r--r-- | 0000_README | 4 | ||||
| -rw-r--r-- | 1141_linux-4.19.142.patch | 2088 |
2 files changed, 2092 insertions, 0 deletions
diff --git a/0000_README b/0000_README index 1680f0be..4adb8c68 100644 --- a/0000_README +++ b/0000_README @@ -603,6 +603,10 @@ Patch: 1140_linux-4.19.141.patch From: https://www.kernel.org Desc: Linux 4.19.141 +Patch: 1141_linux-4.19.142.patch +From: https://www.kernel.org +Desc: Linux 4.19.142 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1141_linux-4.19.142.patch b/1141_linux-4.19.142.patch new file mode 100644 index 00000000..84d26b3a --- /dev/null +++ b/1141_linux-4.19.142.patch @@ -0,0 +1,2088 @@ +diff --git a/Makefile b/Makefile +index 5b64e11419846..e5e46aecf357f 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 4 + PATCHLEVEL = 19 +-SUBLEVEL = 141 ++SUBLEVEL = 142 + EXTRAVERSION = + NAME = "People's Front" + +diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h +index eb09d5aee9106..0bba9e991189d 100644 +--- a/arch/alpha/include/asm/io.h ++++ b/arch/alpha/include/asm/io.h +@@ -507,10 +507,10 @@ extern inline void writeq(u64 b, volatile void __iomem *addr) + } + #endif + +-#define ioread16be(p) be16_to_cpu(ioread16(p)) +-#define ioread32be(p) be32_to_cpu(ioread32(p)) +-#define iowrite16be(v,p) iowrite16(cpu_to_be16(v), (p)) +-#define iowrite32be(v,p) iowrite32(cpu_to_be32(v), (p)) ++#define ioread16be(p) swab16(ioread16(p)) ++#define ioread32be(p) swab32(ioread32(p)) ++#define iowrite16be(v,p) iowrite16(swab16(v), (p)) ++#define iowrite32be(v,p) iowrite32(swab32(v), (p)) + + #define inb_p inb + #define inw_p inw +diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h +index c9128bb187f9a..471859cbfe0bb 100644 +--- a/arch/arm/include/asm/kvm_host.h ++++ b/arch/arm/include/asm/kvm_host.h +@@ -234,7 +234,7 @@ int __kvm_arm_vcpu_set_events(struct kvm_vcpu *vcpu, + + #define KVM_ARCH_WANT_MMU_NOTIFIER + int kvm_unmap_hva_range(struct kvm *kvm, +- unsigned long start, unsigned long end); ++ unsigned long start, unsigned long end, bool blockable); + void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); + + unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu); +diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h +index e9afdfcb8403c..5e720742d6479 100644 +--- a/arch/arm64/include/asm/kvm_host.h ++++ b/arch/arm64/include/asm/kvm_host.h +@@ -370,7 +370,7 @@ int __kvm_arm_vcpu_set_events(struct kvm_vcpu *vcpu, + + #define KVM_ARCH_WANT_MMU_NOTIFIER + int kvm_unmap_hva_range(struct kvm *kvm, +- unsigned long start, unsigned long end); ++ unsigned long start, unsigned long end, bool blockable); + void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); + int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); + int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); +diff --git a/arch/m68k/include/asm/m53xxacr.h b/arch/m68k/include/asm/m53xxacr.h +index 9138a624c5c81..692f90e7fecc1 100644 +--- a/arch/m68k/include/asm/m53xxacr.h ++++ b/arch/m68k/include/asm/m53xxacr.h +@@ -89,9 +89,9 @@ + * coherency though in all cases. And for copyback caches we will need + * to push cached data as well. + */ +-#define CACHE_INIT CACR_CINVA +-#define CACHE_INVALIDATE CACR_CINVA +-#define CACHE_INVALIDATED CACR_CINVA ++#define CACHE_INIT (CACHE_MODE + CACR_CINVA - CACR_EC) ++#define CACHE_INVALIDATE (CACHE_MODE + CACR_CINVA) ++#define CACHE_INVALIDATED (CACHE_MODE + CACR_CINVA) + + #define ACR0_MODE ((CONFIG_RAMBASE & 0xff000000) + \ + (0x000f0000) + \ +diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h +index 2b3fdfc9e0e77..c254761cb8ad9 100644 +--- a/arch/mips/include/asm/kvm_host.h ++++ b/arch/mips/include/asm/kvm_host.h +@@ -936,7 +936,7 @@ enum kvm_mips_fault_result kvm_trap_emul_gva_fault(struct kvm_vcpu *vcpu, + + #define KVM_ARCH_WANT_MMU_NOTIFIER + int kvm_unmap_hva_range(struct kvm *kvm, +- unsigned long start, unsigned long end); ++ unsigned long start, unsigned long end, bool blockable); + void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); + int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); + int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); +diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c +index d8dcdb3504059..098a7afd4d384 100644 +--- a/arch/mips/kvm/mmu.c ++++ b/arch/mips/kvm/mmu.c +@@ -512,7 +512,8 @@ static int kvm_unmap_hva_handler(struct kvm *kvm, gfn_t gfn, gfn_t gfn_end, + return 1; + } + +-int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end) ++int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end, ++ bool blockable) + { + handle_hva_to_gpa(kvm, start, end, &kvm_unmap_hva_handler, NULL); + +diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h +index 2f95e38f05491..7b54d8412367e 100644 +--- a/arch/powerpc/include/asm/kvm_host.h ++++ b/arch/powerpc/include/asm/kvm_host.h +@@ -68,7 +68,8 @@ + #define KVM_ARCH_WANT_MMU_NOTIFIER + + extern int kvm_unmap_hva_range(struct kvm *kvm, +- unsigned long start, unsigned long end); ++ unsigned long start, unsigned long end, ++ bool blockable); + extern int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); + extern int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); + extern void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); +diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c +index cc05f346e0421..bc9d1321dc730 100644 +--- a/arch/powerpc/kvm/book3s.c ++++ b/arch/powerpc/kvm/book3s.c +@@ -812,7 +812,8 @@ void kvmppc_core_commit_memory_region(struct kvm *kvm, + kvm->arch.kvm_ops->commit_memory_region(kvm, mem, old, new); + } + +-int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end) ++int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end, ++ bool blockable) + { + return kvm->arch.kvm_ops->unmap_hva_range(kvm, start, end); + } +diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c +index 8f2985e46f6f1..bbb02195dc530 100644 +--- a/arch/powerpc/kvm/e500_mmu_host.c ++++ b/arch/powerpc/kvm/e500_mmu_host.c +@@ -737,7 +737,8 @@ static int kvm_unmap_hva(struct kvm *kvm, unsigned long hva) + return 0; + } + +-int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end) ++int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end, ++ bool blockable) + { + /* kvm_unmap_hva flushes everything anyways */ + kvm_unmap_hva(kvm, start); +diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c +index e81a285f3a6ce..e827108680f21 100644 +--- a/arch/powerpc/platforms/pseries/ras.c ++++ b/arch/powerpc/platforms/pseries/ras.c +@@ -118,7 +118,6 @@ static void handle_system_shutdown(char event_modifier) + case EPOW_SHUTDOWN_ON_UPS: + pr_emerg("Loss of system power detected. System is running on" + " UPS/battery. Check RTAS error log for details\n"); +- orderly_poweroff(true); + break; + + case EPOW_SHUTDOWN_LOSS_OF_CRITICAL_FUNCTIONS: +diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c +index 65fefbf61e1ca..3ffa2847c110b 100644 +--- a/arch/s390/kernel/ptrace.c ++++ b/arch/s390/kernel/ptrace.c +@@ -1286,7 +1286,6 @@ static bool is_ri_cb_valid(struct runtime_instr_cb *cb) + cb->pc == 1 && + cb->qc == 0 && + cb->reserved2 == 0 && +- cb->key == PAGE_DEFAULT_KEY && + cb->reserved3 == 0 && + cb->reserved4 == 0 && + cb->reserved5 == 0 && +@@ -1350,7 +1349,11 @@ static int s390_runtime_instr_set(struct task_struct *target, + kfree(data); + return -EINVAL; + } +- ++ /* ++ * Override access key in any case, since user space should ++ * not be able to set it, nor should it care about it. ++ */ ++ ri_cb.key = PAGE_DEFAULT_KEY >> 4; + preempt_disable(); + if (!target->thread.ri_cb) + target->thread.ri_cb = data; +diff --git a/arch/s390/kernel/runtime_instr.c b/arch/s390/kernel/runtime_instr.c +index 125c7f6e87150..1788a5454b6fc 100644 +--- a/arch/s390/kernel/runtime_instr.c ++++ b/arch/s390/kernel/runtime_instr.c +@@ -57,7 +57,7 @@ static void init_runtime_instr_cb(struct runtime_instr_cb *cb) + cb->k = 1; + cb->ps = 1; + cb->pc = 1; +- cb->key = PAGE_DEFAULT_KEY; ++ cb->key = PAGE_DEFAULT_KEY >> 4; + cb->v = 1; + } + +diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h +index ce7b3b22ae86b..4876411a072a7 100644 +--- a/arch/x86/include/asm/kvm_host.h ++++ b/arch/x86/include/asm/kvm_host.h +@@ -1465,7 +1465,8 @@ asmlinkage void __noreturn kvm_spurious_fault(void); + ____kvm_handle_fault_on_reboot(insn, "") + + #define KVM_ARCH_WANT_MMU_NOTIFIER +-int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end); ++int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end, ++ bool blockable); + int kvm_age_hva(struct kvm *kvm, unsigned long start, unsigned long end); + int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); + void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); +diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c +index 92ff656e18101..a2ff5c214738a 100644 +--- a/arch/x86/kvm/mmu.c ++++ b/arch/x86/kvm/mmu.c +@@ -1956,7 +1956,8 @@ static int kvm_handle_hva(struct kvm *kvm, unsigned long hva, + return kvm_handle_hva_range(kvm, hva, hva + 1, data, handler); + } + +-int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end) ++int kvm_unmap_hva_range(struct kvm *kvm, unsigned long start, unsigned long end, ++ bool blockable) + { + return kvm_handle_hva_range(kvm, start, end, 0, kvm_unmap_rmapp); + } +diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c +index 5b2440e591fc1..430a4bc66f604 100644 +--- a/arch/x86/kvm/x86.c ++++ b/arch/x86/kvm/x86.c +@@ -857,7 +857,7 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) + { + unsigned long old_cr4 = kvm_read_cr4(vcpu); + unsigned long pdptr_bits = X86_CR4_PGE | X86_CR4_PSE | X86_CR4_PAE | +- X86_CR4_SMEP | X86_CR4_SMAP | X86_CR4_PKE; ++ X86_CR4_SMEP; + + if (kvm_valid_cr4(vcpu, cr4)) + return 1; +diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c +index 9112d1cb397bb..22da9bfd8a458 100644 +--- a/arch/x86/pci/xen.c ++++ b/arch/x86/pci/xen.c +@@ -25,6 +25,7 @@ + #include <asm/xen/pci.h> + #include <asm/xen/cpuid.h> + #include <asm/apic.h> ++#include <asm/acpi.h> + #include <asm/i8259.h> + + static int xen_pcifront_enable_irq(struct pci_dev *dev) +diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c +index 8353ab9bd31bd..c5cf9e77fe862 100644 +--- a/drivers/clk/clk.c ++++ b/drivers/clk/clk.c +@@ -40,6 +40,17 @@ static HLIST_HEAD(clk_root_list); + static HLIST_HEAD(clk_orphan_list); + static LIST_HEAD(clk_notifier_list); + ++static struct hlist_head *all_lists[] = { ++ &clk_root_list, ++ &clk_orphan_list, ++ NULL, ++}; ++ ++static struct hlist_head *orphan_list[] = { ++ &clk_orphan_list, ++ NULL, ++}; ++ + /*** private data structures ***/ + + struct clk_core { +@@ -2618,17 +2629,6 @@ static int inited = 0; + static DEFINE_MUTEX(clk_debug_lock); + static HLIST_HEAD(clk_debug_list); + +-static struct hlist_head *all_lists[] = { +- &clk_root_list, +- &clk_orphan_list, +- NULL, +-}; +- +-static struct hlist_head *orphan_list[] = { +- &clk_orphan_list, +- NULL, +-}; +- + static void clk_summary_show_one(struct seq_file *s, struct clk_core *c, + int level) + { +@@ -3328,6 +3328,34 @@ static const struct clk_ops clk_nodrv_ops = { + .set_parent = clk_nodrv_set_parent, + }; + ++static void clk_core_evict_parent_cache_subtree(struct clk_core *root, ++ struct clk_core *target) ++{ ++ int i; ++ struct clk_core *child; ++ ++ for (i = 0; i < root->num_parents; i++) ++ if (root->parents[i] == target) ++ root->parents[i] = NULL; ++ ++ hlist_for_each_entry(child, &root->children, child_node) ++ clk_core_evict_parent_cache_subtree(child, target); ++} ++ ++/* Remove this clk from all parent caches */ ++static void clk_core_evict_parent_cache(struct clk_core *core) ++{ ++ struct hlist_head **lists; ++ struct clk_core *root; ++ ++ lockdep_assert_held(&prepare_lock); ++ ++ for (lists = all_lists; *lists; lists++) ++ hlist_for_each_entry(root, *lists, child_node) ++ clk_core_evict_parent_cache_subtree(root, core); ++ ++} ++ + /** + * clk_unregister - unregister a currently registered clock + * @clk: clock to unregister +@@ -3366,6 +3394,8 @@ void clk_unregister(struct clk *clk) + clk_core_set_parent_nolock(child, NULL); + } + ++ clk_core_evict_parent_cache(clk->core); ++ + hlist_del_init(&clk->core->child_node); + + if (clk->core->prepare_count) +diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c +index e7b3d4ed8eff4..99166000ffb77 100644 +--- a/drivers/cpufreq/intel_pstate.c ++++ b/drivers/cpufreq/intel_pstate.c +@@ -1431,6 +1431,7 @@ static void intel_pstate_get_cpu_pstates(struct cpudata *cpu) + + intel_pstate_get_hwp_max(cpu->cpu, &phy_max, ¤t_max); + cpu->pstate.turbo_freq = phy_max * cpu->pstate.scaling; ++ cpu->pstate.turbo_pstate = phy_max; + } else { + cpu->pstate.turbo_freq = cpu->pstate.turbo_pstate * cpu->pstate.scaling; + } +diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c +index de1bc38ab39fb..a8180f9090fae 100644 +--- a/drivers/firmware/efi/efi.c ++++ b/drivers/firmware/efi/efi.c +@@ -359,6 +359,7 @@ static int __init efisubsys_init(void) + efi_kobj = kobject_create_and_add("efi", firmware_kobj); + if (!efi_kobj) { + pr_err("efi: Firmware registration failed.\n"); ++ destroy_workqueue(efi_rts_wq); + return -ENOMEM; + } + +@@ -395,6 +396,7 @@ err_unregister: + generic_ops_unregister(); + err_put: + kobject_put(efi_kobj); ++ destroy_workqueue(efi_rts_wq); + return error; + } + +diff --git a/drivers/gpu/drm/amd/display/include/fixed31_32.h b/drivers/gpu/drm/amd/display/include/fixed31_32.h +index 52a73332befb9..343f869c5277d 100644 +--- a/drivers/gpu/drm/amd/display/include/fixed31_32.h ++++ b/drivers/gpu/drm/amd/display/include/fixed31_32.h +@@ -431,6 +431,9 @@ struct fixed31_32 dc_fixpt_log(struct fixed31_32 arg); + */ + static inline struct fixed31_32 dc_fixpt_pow(struct fixed31_32 arg1, struct fixed31_32 arg2) + { ++ if (arg1.value == 0) ++ return arg2.value == 0 ? dc_fixpt_one : dc_fixpt_zero; ++ + return dc_fixpt_exp( + dc_fixpt_mul( + dc_fixpt_log(arg1), +diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c +index 4709f08f39e49..1c1a435d354bc 100644 +--- a/drivers/gpu/drm/vgem/vgem_drv.c ++++ b/drivers/gpu/drm/vgem/vgem_drv.c +@@ -219,32 +219,6 @@ static int vgem_gem_dumb_create(struct drm_file *file, struct drm_device *dev, + return 0; + } + +-static int vgem_gem_dumb_map(struct drm_file *file, struct drm_device *dev, +- uint32_t handle, uint64_t *offset) +-{ +- struct drm_gem_object *obj; +- int ret; +- +- obj = drm_gem_object_lookup(file, handle); +- if (!obj) +- return -ENOENT; +- +- if (!obj->filp) { +- ret = -EINVAL; +- goto unref; +- } +- +- ret = drm_gem_create_mmap_offset(obj); +- if (ret) +- goto unref; +- +- *offset = drm_vma_node_offset_addr(&obj->vma_node); +-unref: +- drm_gem_object_put_unlocked(obj); +- +- return ret; +-} +- + static struct drm_ioctl_desc vgem_ioctls[] = { + DRM_IOCTL_DEF_DRV(VGEM_FENCE_ATTACH, vgem_fence_attach_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), + DRM_IOCTL_DEF_DRV(VGEM_FENCE_SIGNAL, vgem_fence_signal_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), +@@ -438,7 +412,6 @@ static struct drm_driver vgem_driver = { + .fops = &vgem_driver_fops, + + .dumb_create = vgem_gem_dumb_create, +- .dumb_map_offset = vgem_gem_dumb_map, + + .prime_handle_to_fd = drm_gem_prime_handle_to_fd, + .prime_fd_to_handle = drm_gem_prime_fd_to_handle, +diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c +index 589b0d4677d52..f1b666c80f368 100644 +--- a/drivers/infiniband/hw/bnxt_re/main.c ++++ b/drivers/infiniband/hw/bnxt_re/main.c +@@ -753,7 +753,8 @@ static int bnxt_re_handle_qp_async_event(struct creq_qp_event *qp_event, + struct ib_event event; + unsigned int flags; + +- if (qp->qplib_qp.state == CMDQ_MODIFY_QP_NEW_STATE_ERR) { ++ if (qp->qplib_qp.state == CMDQ_MODIFY_QP_NEW_STATE_ERR && ++ rdma_is_kernel_res(&qp->ib_qp.res)) { + flags = bnxt_re_lock_cqs(qp); + bnxt_qplib_add_flush_qp(&qp->qplib_qp); + bnxt_re_unlock_cqs(qp, flags); +diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c +index d3ff1fc09af71..a9040c0fb4c3f 100644 +--- a/drivers/input/mouse/psmouse-base.c ++++ b/drivers/input/mouse/psmouse-base.c +@@ -2044,7 +2044,7 @@ static int psmouse_get_maxproto(char *buffer, const struct kernel_param *kp) + { + int type = *((unsigned int *)kp->arg); + +- return sprintf(buffer, "%s", psmouse_protocol_by_type(type)->name); ++ return sprintf(buffer, "%s\n", psmouse_protocol_by_type(type)->name); + } + + static int __init psmouse_init(void) +diff --git a/drivers/media/pci/ttpci/budget-core.c b/drivers/media/pci/ttpci/budget-core.c +index b3dc45b91101d..9b545c7431685 100644 +--- a/drivers/media/pci/ttpci/budget-core.c ++++ b/drivers/media/pci/ttpci/budget-core.c +@@ -383,20 +383,25 @@ static int budget_register(struct budget *budget) + ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->hw_frontend); + + if (ret < 0) +- return ret; ++ goto err_release_dmx; + + budget->mem_frontend.source = DMX_MEMORY_FE; + ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->mem_frontend); + if (ret < 0) +- return ret; ++ goto err_release_dmx; + + ret = dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, &budget->hw_frontend); + if (ret < 0) +- return ret; ++ goto err_release_dmx; + + dvb_net_init(&budget->dvb_adapter, &budget->dvb_net, &dvbdemux->dmx); + + return 0; ++ ++err_release_dmx: ++ dvb_dmxdev_release(&budget->dmxdev); ++ dvb_dmx_release(&budget->demux); ++ return ret; + } + + static void budget_unregister(struct budget *budget) +diff --git a/drivers/media/platform/davinci/vpss.c b/drivers/media/platform/davinci/vpss.c +index 89a86c19579b8..50fc71d0cb9f3 100644 +--- a/drivers/media/platform/davinci/vpss.c ++++ b/drivers/media/platform/davinci/vpss.c +@@ -514,19 +514,31 @@ static void vpss_exit(void) + + static int __init vpss_init(void) + { ++ int ret; ++ + if (!request_mem_region(VPSS_CLK_CTRL, 4, "vpss_clock_control")) + return -EBUSY; + + oper_cfg.vpss_regs_base2 = ioremap(VPSS_CLK_CTRL, 4); + if (unlikely(!oper_cfg.vpss_regs_base2)) { +- release_mem_region(VPSS_CLK_CTRL, 4); +- return -ENOMEM; ++ ret = -ENOMEM; ++ goto err_ioremap; + } + + writel(VPSS_CLK_CTRL_VENCCLKEN | +- VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2); ++ VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2); ++ ++ ret = platform_driver_register(&vpss_driver); ++ if (ret) ++ goto err_pd_register; ++ ++ return 0; + +- return platform_driver_register(&vpss_driver); ++err_pd_register: ++ iounmap(oper_cfg.vpss_regs_base2); ++err_ioremap: ++ release_mem_region(VPSS_CLK_CTRL, 4); ++ return ret; + } + subsys_initcall(vpss_init); + module_exit(vpss_exit); +diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c +index 11429df743067..d32e32e791741 100644 +--- a/drivers/net/bonding/bond_main.c ++++ b/drivers/net/bonding/bond_main.c +@@ -2029,7 +2029,8 @@ static int bond_release_and_destroy(struct net_device *bond_dev, + int ret; + + ret = __bond_release_one(bond_dev, slave_dev, false, true); +- if (ret == 0 && !bond_has_slaves(bond)) { ++ if (ret == 0 && !bond_has_slaves(bond) && ++ bond_dev->reg_state != NETREG_UNREGISTERING) { + bond_dev->priv_flags |= IFF_DISABLE_NETPOLL; + netdev_info(bond_dev, "Destroying bond %s\n", + bond_dev->name); +@@ -2772,6 +2773,9 @@ static int bond_ab_arp_inspect(struct bonding *bond) + if (bond_time_in_interval(bond, last_rx, 1)) { + bond_propose_link_state(slave, BOND_LINK_UP); + commit++; ++ } else if (slave->link == BOND_LINK_BACK) { ++ bond_propose_link_state(slave, BOND_LINK_FAIL); ++ commit++; + } + continue; + } +@@ -2882,6 +2886,19 @@ static void bond_ab_arp_commit(struct bonding *bond) + + continue; + ++ case BOND_LINK_FAIL: ++ bond_set_slave_link_state(slave, BOND_LINK_FAIL, ++ BOND_SLAVE_NOTIFY_NOW); ++ bond_set_slave_inactive_flags(slave, ++ BOND_SLAVE_NOTIFY_NOW); ++ ++ /* A slave has just been enslaved and has become ++ * the current active slave. ++ */ ++ if (rtnl_dereference(bond->curr_active_slave)) ++ RCU_INIT_POINTER(bond->current_arp_slave, NULL); ++ continue; ++ + default: + netdev_err(bond->dev, "impossible: new_link %d on slave %s\n", + slave->link_new_state, slave->dev->name); +@@ -2931,8 +2948,6 @@ static bool bond_ab_arp_probe(struct bonding *bond) + return should_notify_rtnl; + } + +- bond_set_slave_inactive_flags(curr_arp_slave, BOND_SLAVE_NOTIFY_LATER); +- + bond_for_each_slave_rcu(bond, slave, iter) { + if (!found && !before && bond_slave_is_up(slave)) + before = slave; +@@ -4200,13 +4215,23 @@ static netdev_tx_t bond_start_xmit(struct sk_buff *skb, struct net_device *dev) + return ret; + } + ++static u32 bond_mode_bcast_speed(struct slave *slave, u32 speed) ++{ ++ if (speed == 0 || speed == SPEED_UNKNOWN) ++ speed = slave->speed; ++ else ++ speed = min(speed, slave->speed); ++ ++ return speed; ++} ++ + static int bond_ethtool_get_link_ksettings(struct net_device *bond_dev, + struct ethtool_link_ksettings *cmd) + { + struct bonding *bond = netdev_priv(bond_dev); +- unsigned long speed = 0; + struct list_head *iter; + struct slave *slave; ++ u32 speed = 0; + + cmd->base.duplex = DUPLEX_UNKNOWN; + cmd->base.port = PORT_OTHER; +@@ -4218,8 +4243,13 @@ static int bond_ethtool_get_link_ksettings(struct net_device *bond_dev, + */ + bond_for_each_slave(bond, slave, iter) { + if (bond_slave_can_tx(slave)) { +- if (slave->speed != SPEED_UNKNOWN) +- speed += slave->speed; ++ if (slave->speed != SPEED_UNKNOWN) { ++ if (BOND_MODE(bond) == BOND_MODE_BROADCAST) ++ speed = bond_mode_bcast_speed(slave, ++ speed); ++ else ++ speed += slave->speed; ++ } + if (cmd->base.duplex == DUPLEX_UNKNOWN && + slave->duplex != DUPLEX_UNKNOWN) + cmd->base.duplex = slave->duplex; +diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c +index 11f3993ab7f30..294be86420b6d 100644 +--- a/drivers/net/dsa/b53/b53_common.c ++++ b/drivers/net/dsa/b53/b53_common.c +@@ -1335,6 +1335,8 @@ static int b53_arl_op(struct b53_device *dev, int op, int port, + return ret; + + switch (ret) { ++ case -ETIMEDOUT: ++ return ret; + case -ENOSPC: + dev_dbg(dev->dev, "{%pM,%.4d} no space left in ARL\n", + addr, vid); +diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c +index 8736718b17359..55cc70ba5b093 100644 +--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c ++++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c +@@ -2647,16 +2647,14 @@ static void ena_fw_reset_device(struct work_struct *work) + { + struct ena_adapter *adapter = + container_of(work, struct ena_adapter, reset_task); +- struct pci_dev *pdev = adapter->pdev; + +- if (unlikely(!test_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags))) { +- dev_err(&pdev->dev, +- "device reset schedule while reset bit is off\n"); +- return; +- } + rtnl_lock(); +- ena_destroy_device(adapter, false); +- ena_restore_device(adapter); ++ ++ if (likely(test_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags))) { ++ ena_destroy_device(adapter, false); ++ ena_restore_device(adapter); ++ } ++ + rtnl_unlock(); + } + +@@ -3392,8 +3390,11 @@ static void ena_remove(struct pci_dev *pdev) + netdev->rx_cpu_rmap = NULL; + } + #endif /* CONFIG_RFS_ACCEL */ +- del_timer_sync(&adapter->timer_service); + ++ /* Make sure timer and reset routine won't be called after ++ * freeing device resources. ++ */ ++ del_timer_sync(&adapter->timer_service); + cancel_work_sync(&adapter->reset_task); + + unregister_netdev(netdev); +diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c +index f402af39da42a..16de0fa92ab74 100644 +--- a/drivers/net/ethernet/cortina/gemini.c ++++ b/drivers/net/ethernet/cortina/gemini.c +@@ -2392,7 +2392,7 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev) + + dev_info(dev, "probe %s ID %d\n", dev_name(dev), id); + +- netdev = alloc_etherdev_mq(sizeof(*port), TX_QUEUE_NUM); ++ netdev = devm_alloc_etherdev_mqs(dev, sizeof(*port), TX_QUEUE_NUM, TX_QUEUE_NUM); + if (!netdev) { + dev_err(dev, "Can't allocate ethernet device #%d\n", id); + return -ENOMEM; +@@ -2526,7 +2526,6 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev) + } + + port->netdev = NULL; +- free_netdev(netdev); + return ret; + } + +@@ -2535,7 +2534,6 @@ static int gemini_ethernet_port_remove(struct platform_device *pdev) + struct gemini_ethernet_port *port = platform_get_drvdata(pdev); + + gemini_port_remove(port); +- free_netdev(port->netdev); + return 0; + } + +diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c +index 48c58f93b124b..3b6da228140e3 100644 +--- a/drivers/net/ethernet/freescale/fec_main.c ++++ b/drivers/net/ethernet/freescale/fec_main.c +@@ -3659,11 +3659,11 @@ failed_mii_init: + failed_irq: + failed_init: + fec_ptp_stop(pdev); +- if (fep->reg_phy) +- regulator_disable(fep->reg_phy); + failed_reset: + pm_runtime_put_noidle(&pdev->dev); + pm_runtime_disable(&pdev->dev); ++ if (fep->reg_phy) ++ regulator_disable(fep->reg_phy); + failed_regulator: + clk_disable_unprepare(fep->clk_ahb); + failed_clk_ahb: +diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h +index 80e3eec6134ee..a5e5e7e14e6c5 100644 +--- a/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h ++++ b/drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h +@@ -1206,7 +1206,7 @@ struct i40e_aqc_set_vsi_promiscuous_modes { + #define I40E_AQC_SET_VSI_PROMISC_BROADCAST 0x04 + #define I40E_AQC_SET_VSI_DEFAULT 0x08 + #define I40E_AQC_SET_VSI_PROMISC_VLAN 0x10 +-#define I40E_AQC_SET_VSI_PROMISC_TX 0x8000 ++#define I40E_AQC_SET_VSI_PROMISC_RX_ONLY 0x8000 + __le16 seid; + #define I40E_AQC_VSI_PROM_CMD_SEID_MASK 0x3FF + __le16 vlan_tag; +diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c +index eb0ae6ab01e26..e75b4c4872c09 100644 +--- a/drivers/net/ethernet/intel/i40e/i40e_common.c ++++ b/drivers/net/ethernet/intel/i40e/i40e_common.c +@@ -1970,6 +1970,21 @@ i40e_status i40e_aq_set_phy_debug(struct i40e_hw *hw, u8 cmd_flags, + return status; + } + ++/** ++ * i40e_is_aq_api_ver_ge ++ * @aq: pointer to AdminQ info containing HW API version to compare ++ * @maj: API major value ++ * @min: API minor value ++ * ++ * Assert whether current HW API version is greater/equal than provided. ++ **/ ++static bool i40e_is_aq_api_ver_ge(struct i40e_adminq_info *aq, u16 maj, ++ u16 min) ++{ ++ return (aq->api_maj_ver > maj || ++ (aq->api_maj_ver == maj && aq->api_min_ver >= min)); ++} ++ + /** + * i40e_aq_add_vsi + * @hw: pointer to the hw struct +@@ -2095,18 +2110,16 @@ i40e_status i40e_aq_set_vsi_unicast_promiscuous(struct i40e_hw *hw, + + if (set) { + flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST; +- if (rx_only_promisc && +- (((hw->aq.api_maj_ver == 1) && (hw->aq.api_min_ver >= 5)) || +- (hw->aq.api_maj_ver > 1))) +- flags |= I40E_AQC_SET_VSI_PROMISC_TX; ++ if (rx_only_promisc && i40e_is_aq_api_ver_ge(&hw->aq, 1, 5)) ++ flags |= I40E_AQC_SET_VSI_PROMISC_RX_ONLY; + } + + cmd->promiscuous_flags = cpu_to_le16(flags); + + cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST); +- if (((hw->aq.api_maj_ver >= 1) && (hw->aq.api_min_ver >= 5)) || +- (hw->aq.api_maj_ver > 1)) +- cmd->valid_flags |= cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_TX); ++ if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5)) ++ cmd->valid_flags |= ++ cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_RX_ONLY); + + cmd->seid = cpu_to_le16(seid); + status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details); +@@ -2203,11 +2216,17 @@ enum i40e_status_code i40e_aq_set_vsi_uc_promisc_on_vlan(struct i40e_hw *hw, + i40e_fill_default_direct_cmd_desc(&desc, + i40e_aqc_opc_set_vsi_promiscuous_modes); + +- if (enable) ++ if (enable) { + flags |= I40E_AQC_SET_VSI_PROMISC_UNICAST; ++ if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5)) ++ flags |= I40E_AQC_SET_VSI_PROMISC_RX_ONLY; ++ } + + cmd->promiscuous_flags = cpu_to_le16(flags); + cmd->valid_flags = cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_UNICAST); ++ if (i40e_is_aq_api_ver_ge(&hw->aq, 1, 5)) ++ cmd->valid_flags |= ++ cpu_to_le16(I40E_AQC_SET_VSI_PROMISC_RX_ONLY); + cmd->seid = cpu_to_le16(seid); + cmd->vlan_tag = cpu_to_le16(vid | I40E_AQC_SET_VSI_VLAN_VALID); + +diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c +index a74b01bf581e9..3200c75b9ed2a 100644 +--- a/drivers/net/ethernet/intel/i40e/i40e_main.c ++++ b/drivers/net/ethernet/intel/i40e/i40e_main.c +@@ -14152,6 +14152,9 @@ static void i40e_remove(struct pci_dev *pdev) + i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), 0); + i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), 0); + ++ while (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state)) ++ usleep_range(1000, 2000); ++ + /* no more scheduling of any task */ + set_bit(__I40E_SUSPENDED, pf->state); + set_bit(__I40E_DOWN, pf->state); +diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c +index e33cbb793b638..4a5d99ecb89d3 100644 +--- a/drivers/net/hyperv/netvsc_drv.c ++++ b/drivers/net/hyperv/netvsc_drv.c +@@ -513,7 +513,7 @@ static int netvsc_vf_xmit(struct net_device *net, struct net_device *vf_netdev, + int rc; + + skb->dev = vf_netdev; +- skb->queue_mapping = qdisc_skb_cb(skb)->slave_dev_queue_mapping; ++ skb_record_rx_queue(skb, qdisc_skb_cb(skb)->slave_dev_queue_mapping); + + rc = dev_queue_xmit(skb); + if (likely(rc == NET_XMIT_SUCCESS || rc == NET_XMIT_CN)) { +diff --git a/drivers/rtc/rtc-goldfish.c b/drivers/rtc/rtc-goldfish.c +index a1c44d0c85578..30cbe22c57a8e 100644 +--- a/drivers/rtc/rtc-goldfish.c ++++ b/drivers/rtc/rtc-goldfish.c +@@ -87,6 +87,7 @@ static int goldfish_rtc_set_alarm(struct device *dev, + rtc_alarm64 = rtc_alarm * NSEC_PER_SEC; + writel((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH); + writel(rtc_alarm64, base + TIMER_ALARM_LOW); ++ writel(1, base + TIMER_IRQ_ENABLED); + } else { + /* + * if this function was called with enabled=0 +diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c +index 91aa4bfcf8d61..5bb278a604ed2 100644 +--- a/drivers/s390/scsi/zfcp_fsf.c ++++ b/drivers/s390/scsi/zfcp_fsf.c +@@ -403,7 +403,7 @@ static void zfcp_fsf_req_complete(struct zfcp_fsf_req *req) + return; + } + +- del_timer(&req->timer); ++ del_timer_sync(&req->timer); + zfcp_fsf_protstatus_eval(req); + zfcp_fsf_fsfstatus_eval(req); + req->handler(req); +@@ -758,7 +758,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *req) + req->qdio_req.qdio_outb_usage = atomic_read(&qdio->req_q_free); + req->issued = get_tod_clock(); + if (zfcp_qdio_send(qdio, &req->qdio_req)) { +- del_timer(&req->timer); ++ del_timer_sync(&req->timer); + /* lookup request again, list might have changed */ + zfcp_reqlist_find_rm(adapter->req_list, req_id); + zfcp_erp_adapter_reopen(adapter, 0, "fsrs__1"); +diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c +index 8839f509b19ab..78cf5b32bca67 100644 +--- a/drivers/scsi/libfc/fc_disc.c ++++ b/drivers/scsi/libfc/fc_disc.c +@@ -593,8 +593,12 @@ static void fc_disc_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp, + + if (PTR_ERR(fp) == -FC_EX_CLOSED) + goto out; +- if (IS_ERR(fp)) +- goto redisc; ++ if (IS_ERR(fp)) { ++ mutex_lock(&disc->disc_mutex); ++ fc_disc_restart(disc); ++ mutex_unlock(&disc->disc_mutex); ++ goto out; ++ } + + cp = fc_frame_payload_get(fp, sizeof(*cp)); + if (!cp) +@@ -621,7 +625,7 @@ static void fc_disc_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp, + new_rdata->disc_id = disc->disc_id; + fc_rport_login(new_rdata); + } +- goto out; ++ goto free_fp; + } + rdata->disc_id = disc->disc_id; + mutex_unlock(&rdata->rp_mutex); +@@ -638,6 +642,8 @@ redisc: + fc_disc_restart(disc); + mutex_unlock(&disc->disc_mutex); + } ++free_fp: ++ fc_frame_free(fp); + out: + kref_put(&rdata->kref, fc_rport_destroy); + if (!IS_ERR(fp)) +diff --git a/drivers/scsi/ufs/ufs_quirks.h b/drivers/scsi/ufs/ufs_quirks.h +index 5d2dfdb41a6ff..758d3a67047df 100644 +--- a/drivers/scsi/ufs/ufs_quirks.h ++++ b/drivers/scsi/ufs/ufs_quirks.h +@@ -21,6 +21,7 @@ + #define UFS_ANY_VENDOR 0xFFFF + #define UFS_ANY_MODEL "ANY_MODEL" + ++#define UFS_VENDOR_MICRON 0x12C + #define UFS_VENDOR_TOSHIBA 0x198 + #define UFS_VENDOR_SAMSUNG 0x1CE + #define UFS_VENDOR_SKHYNIX 0x1AD +diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c +index bd21c9cdf8183..ab628fd37e026 100644 +--- a/drivers/scsi/ufs/ufshcd.c ++++ b/drivers/scsi/ufs/ufshcd.c +@@ -218,6 +218,8 @@ ufs_get_desired_pm_lvl_for_dev_link_state(enum ufs_dev_pwr_mode dev_state, + + static struct ufs_dev_fix ufs_fixups[] = { + /* UFS cards deviations table */ ++ UFS_FIX(UFS_VENDOR_MICRON, UFS_ANY_MODEL, ++ UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM), + UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, + UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM), + UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, UFS_DEVICE_NO_VCCQ), +diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig +index 671d078349cc6..0a7fd56c1ed9d 100644 +--- a/drivers/spi/Kconfig ++++ b/drivers/spi/Kconfig +@@ -817,4 +817,7 @@ config SPI_SLAVE_SYSTEM_CONTROL + + endif # SPI_SLAVE + ++config SPI_DYNAMIC ++ def_bool ACPI || OF_DYNAMIC || SPI_SLAVE ++ + endif # SPI +diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c +index f589d8100e957..92e6b6774d98e 100644 +--- a/drivers/spi/spi.c ++++ b/drivers/spi/spi.c +@@ -432,6 +432,12 @@ static LIST_HEAD(spi_controller_list); + */ + static DEFINE_MUTEX(board_lock); + ++/* ++ * Prevents addition of devices with same chip select and ++ * addition of devices below an unregistering controller. ++ */ ++static DEFINE_MUTEX(spi_add_lock); ++ + /** + * spi_alloc_device - Allocate a new SPI device + * @ctlr: Controller to which device is connected +@@ -510,7 +516,6 @@ static int spi_dev_check(struct device *dev, void *data) + */ + int spi_add_device(struct spi_device *spi) + { +- static DEFINE_MUTEX(spi_add_lock); + struct spi_controller *ctlr = spi->controller; + struct device *dev = ctlr->dev.parent; + int status; +@@ -538,6 +543,13 @@ int spi_add_device(struct spi_device *spi) + goto done; + } + ++ /* Controller may unregister concurrently */ ++ if (IS_ENABLED(CONFIG_SPI_DYNAMIC) && ++ !device_is_registered(&ctlr->dev)) { ++ status = -ENODEV; ++ goto done; ++ } ++ + if (ctlr->cs_gpios) + spi->cs_gpio = ctlr->cs_gpios[spi->chip_select]; + +@@ -2306,6 +2318,10 @@ void spi_unregister_controller(struct spi_controller *ctlr) + struct spi_controller *found; + int id = ctlr->bus_num; + ++ /* Prevent addition of new devices, unregister existing ones */ ++ if (IS_ENABLED(CONFIG_SPI_DYNAMIC)) ++ mutex_lock(&spi_add_lock); ++ + device_for_each_child(&ctlr->dev, NULL, __unregister); + + /* First make sure that this controller was ever added */ +@@ -2326,6 +2342,9 @@ void spi_unregister_controller(struct spi_controller *ctlr) + if (found == ctlr) + idr_remove(&spi_master_idr, id); + mutex_unlock(&board_lock); ++ ++ if (IS_ENABLED(CONFIG_SPI_DYNAMIC)) ++ mutex_unlock(&spi_add_lock); + } + EXPORT_SYMBOL_GPL(spi_unregister_controller); + +diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c +index 8da89925a874d..9c05e820857aa 100644 +--- a/drivers/target/target_core_user.c ++++ b/drivers/target/target_core_user.c +@@ -612,7 +612,7 @@ static inline void tcmu_flush_dcache_range(void *vaddr, size_t size) + size = round_up(size+offset, PAGE_SIZE); + + while (size) { +- flush_dcache_page(virt_to_page(start)); ++ flush_dcache_page(vmalloc_to_page(start)); + start += PAGE_SIZE; + size -= PAGE_SIZE; + } +diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c +index 6dbdadb936a89..52083b710b87e 100644 +--- a/drivers/vfio/vfio_iommu_type1.c ++++ b/drivers/vfio/vfio_iommu_type1.c +@@ -1193,13 +1193,16 @@ static int vfio_bus_type(struct device *dev, void *data) + static int vfio_iommu_replay(struct vfio_iommu *iommu, + struct vfio_domain *domain) + { +- struct vfio_domain *d; ++ struct vfio_domain *d = NULL; + struct rb_node *n; + unsigned long limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT; + int ret; + + /* Arbitrarily pick the first domain in the list for lookups */ +- d = list_first_entry(&iommu->domain_list, struct vfio_domain, next); ++ if (!list_empty(&iommu->domain_list)) ++ d = list_first_entry(&iommu->domain_list, ++ struct vfio_domain, next); ++ + n = rb_first(&iommu->dma_list); + + for (; n; n = rb_next(n)) { +@@ -1217,6 +1220,11 @@ static int vfio_iommu_replay(struct vfio_iommu *iommu, + phys_addr_t p; + dma_addr_t i; + ++ if (WARN_ON(!d)) { /* mapped w/o a domain?! */ ++ ret = -EINVAL; ++ goto unwind; ++ } ++ + phys = iommu_iova_to_phys(d->domain, iova); + + if (WARN_ON(!phys)) { +@@ -1246,7 +1254,7 @@ static int vfio_iommu_replay(struct vfio_iommu *iommu, + if (npage <= 0) { + WARN_ON(!npage); + ret = (int)npage; +- return ret; ++ goto unwind; + } + + phys = pfn << PAGE_SHIFT; +@@ -1255,14 +1263,67 @@ static int vfio_iommu_replay(struct vfio_iommu *iommu, + + ret = iommu_map(domain->domain, iova, phys, + size, dma->prot | domain->prot); +- if (ret) +- return ret; ++ if (ret) { ++ if (!dma->iommu_mapped) ++ vfio_unpin_pages_remote(dma, iova, ++ phys >> PAGE_SHIFT, ++ size >> PAGE_SHIFT, ++ true); ++ goto unwind; ++ } + + iova += size; + } ++ } ++ ++ /* All dmas are now mapped, defer to second tree walk for unwind */ ++ for (n = rb_first(&iommu->dma_list); n; n = rb_next(n)) { ++ struct vfio_dma *dma = rb_entry(n, struct vfio_dma, node); ++ + dma->iommu_mapped = true; + } ++ + return 0; ++ ++unwind: ++ for (; n; n = rb_prev(n)) { ++ struct vfio_dma *dma = rb_entry(n, struct vfio_dma, node); ++ dma_addr_t iova; ++ ++ if (dma->iommu_mapped) { ++ iommu_unmap(domain->domain, dma->iova, dma->size); ++ continue; ++ } ++ ++ iova = dma->iova; ++ while (iova < dma->iova + dma->size) { ++ phys_addr_t phys, p; ++ size_t size; ++ dma_addr_t i; ++ ++ phys = iommu_iova_to_phys(domain->domain, iova); ++ if (!phys) { ++ iova += PAGE_SIZE; ++ continue; ++ } ++ ++ size = PAGE_SIZE; ++ p = phys + size; ++ i = iova + size; ++ while (i < dma->iova + dma->size && ++ p == iommu_iova_to_phys(domain->domain, i)) { ++ size += PAGE_SIZE; ++ p += PAGE_SIZE; ++ i += PAGE_SIZE; ++ } ++ ++ iommu_unmap(domain->domain, iova, size); ++ vfio_unpin_pages_remote(dma, iova, phys >> PAGE_SHIFT, ++ size >> PAGE_SHIFT, true); ++ } ++ } ++ ++ return ret; + } + + /* +diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c +index cc1006375cacb..f50cc1a7c31a9 100644 +--- a/drivers/video/fbdev/efifb.c ++++ b/drivers/video/fbdev/efifb.c +@@ -449,7 +449,7 @@ static int efifb_probe(struct platform_device *dev) + info->apertures->ranges[0].base = efifb_fix.smem_start; + info->apertures->ranges[0].size = size_remap; + +- if (efi_enabled(EFI_BOOT) && ++ if (efi_enabled(EFI_MEMMAP) && + !efi_mem_desc_lookup(efifb_fix.smem_start, &md)) { + if ((efifb_fix.smem_start + efifb_fix.smem_len) > + (md.phys_addr + (md.num_pages << EFI_PAGE_SHIFT))) { +diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c +index 6228b48d1e127..df7980aef927a 100644 +--- a/drivers/virtio/virtio_ring.c ++++ b/drivers/virtio/virtio_ring.c +@@ -828,6 +828,9 @@ bool virtqueue_poll(struct virtqueue *_vq, unsigned last_used_idx) + { + struct vring_virtqueue *vq = to_vvq(_vq); + ++ if (unlikely(vq->broken)) ++ return false; ++ + virtio_mb(vq->weak_barriers); + return (u16)last_used_idx != virtio16_to_cpu(_vq->vdev, vq->vring.used->idx); + } +diff --git a/drivers/xen/preempt.c b/drivers/xen/preempt.c +index 5f6b77ea34fb5..128375ff80b8c 100644 +--- a/drivers/xen/preempt.c ++++ b/drivers/xen/preempt.c +@@ -31,7 +31,7 @@ EXPORT_SYMBOL_GPL(xen_in_preemptible_hcall); + asmlinkage __visible void xen_maybe_preempt_hcall(void) + { + if (unlikely(__this_cpu_read(xen_in_preemptible_hcall) +- && need_resched())) { ++ && need_resched() && !preempt_count())) { + /* + * Clear flag as we may be rescheduled on a different + * cpu. +diff --git a/fs/afs/dynroot.c b/fs/afs/dynroot.c +index 069273a2483f9..fc6c42eeb659c 100644 +--- a/fs/afs/dynroot.c ++++ b/fs/afs/dynroot.c +@@ -299,15 +299,17 @@ void afs_dynroot_depopulate(struct super_block *sb) + net->dynroot_sb = NULL; + mutex_unlock(&net->proc_cells_lock); + +- inode_lock(root->d_inode); +- +- /* Remove all the pins for dirs created for manually added cells */ +- list_for_each_entry_safe(subdir, tmp, &root->d_subdirs, d_child) { +- if (subdir->d_fsdata) { +- subdir->d_fsdata = NULL; +- dput(subdir); ++ if (root) { ++ inode_lock(root->d_inode); ++ ++ /* Remove all the pins for dirs created for manually added cells */ ++ list_for_each_entry_safe(subdir, tmp, &root->d_subdirs, d_child) { ++ if (subdir->d_fsdata) { ++ subdir->d_fsdata = NULL; ++ dput(subdir); ++ } + } +- } + +- inode_unlock(root->d_inode); ++ inode_unlock(root->d_inode); ++ } + } +diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h +index 15cb96ad15d8c..554727d82d432 100644 +--- a/fs/btrfs/ctree.h ++++ b/fs/btrfs/ctree.h +@@ -3271,6 +3271,8 @@ void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info); + int btrfs_parse_options(struct btrfs_fs_info *info, char *options, + unsigned long new_flags); + int btrfs_sync_fs(struct super_block *sb, int wait); ++char *btrfs_get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info, ++ u64 subvol_objectid); + + static inline __printf(2, 3) __cold + void btrfs_no_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) +diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c +index 1f3755b3a37ae..665ec85cb09b8 100644 +--- a/fs/btrfs/export.c ++++ b/fs/btrfs/export.c +@@ -57,9 +57,9 @@ static int btrfs_encode_fh(struct inode *inode, u32 *fh, int *max_len, + return type; + } + +-static struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid, +- u64 root_objectid, u32 generation, +- int check_generation) ++struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid, ++ u64 root_objectid, u32 generation, ++ int check_generation) + { + struct btrfs_fs_info *fs_info = btrfs_sb(sb); + struct btrfs_root *root; +@@ -152,7 +152,7 @@ static struct dentry *btrfs_fh_to_dentry(struct super_block *sb, struct fid *fh, + return btrfs_get_dentry(sb, objectid, root_objectid, generation, 1); + } + +-static struct dentry *btrfs_get_parent(struct dentry *child) ++struct dentry *btrfs_get_parent(struct dentry *child) + { + struct inode *dir = d_inode(child); + struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb); +diff --git a/fs/btrfs/export.h b/fs/btrfs/export.h +index 57488ecd7d4ef..f32f4113c976a 100644 +--- a/fs/btrfs/export.h ++++ b/fs/btrfs/export.h +@@ -18,4 +18,9 @@ struct btrfs_fid { + u64 parent_root_objectid; + } __attribute__ ((packed)); + ++struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid, ++ u64 root_objectid, u32 generation, ++ int check_generation); ++struct dentry *btrfs_get_parent(struct dentry *child); ++ + #endif +diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c +index 1656ef0e959f0..bdfe159a60da6 100644 +--- a/fs/btrfs/inode.c ++++ b/fs/btrfs/inode.c +@@ -628,7 +628,21 @@ cont: + PAGE_SET_WRITEBACK | + page_error_op | + PAGE_END_WRITEBACK); +- goto free_pages_out; ++ ++ /* ++ * Ensure we only free the compressed pages if we have ++ * them allocated, as we can still reach here with ++ * inode_need_compress() == false. ++ */ ++ if (pages) { ++ for (i = 0; i < nr_pages; i++) { ++ WARN_ON(pages[i]->mapping); ++ put_page(pages[i]); ++ } ++ kfree(pages); ++ } ++ ++ return; + } + } + +@@ -706,13 +720,6 @@ cleanup_and_bail_uncompressed: + *num_added += 1; + + return; +- +-free_pages_out: +- for (i = 0; i < nr_pages; i++) { +- WARN_ON(pages[i]->mapping); +- put_page(pages[i]); +- } +- kfree(pages); + } + + static void free_async_extent_pages(struct async_extent *async_extent) +diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c +index ed539496089f1..4d2810a32b4a9 100644 +--- a/fs/btrfs/super.c ++++ b/fs/btrfs/super.c +@@ -1000,8 +1000,8 @@ out: + return error; + } + +-static char *get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info, +- u64 subvol_objectid) ++char *btrfs_get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info, ++ u64 subvol_objectid) + { + struct btrfs_root *root = fs_info->tree_root; + struct btrfs_root *fs_root; +@@ -1282,6 +1282,7 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry) + { + struct btrfs_fs_info *info = btrfs_sb(dentry->d_sb); + const char *compress_type; ++ const char *subvol_name; + + if (btrfs_test_opt(info, DEGRADED)) + seq_puts(seq, ",degraded"); +@@ -1366,8 +1367,13 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry) + seq_puts(seq, ",ref_verify"); + seq_printf(seq, ",subvolid=%llu", + BTRFS_I(d_inode(dentry))->root->root_key.objectid); +- seq_puts(seq, ",subvol="); +- seq_dentry(seq, dentry, " \t\n\\"); ++ subvol_name = btrfs_get_subvol_name_from_objectid(info, ++ BTRFS_I(d_inode(dentry))->root->root_key.objectid); ++ if (!IS_ERR(subvol_name)) { ++ seq_puts(seq, ",subvol="); ++ seq_escape(seq, subvol_name, " \t\n\\"); ++ kfree(subvol_name); ++ } + return 0; + } + +@@ -1412,8 +1418,8 @@ static struct dentry *mount_subvol(const char *subvol_name, u64 subvol_objectid, + goto out; + } + } +- subvol_name = get_subvol_name_from_objectid(btrfs_sb(mnt->mnt_sb), +- subvol_objectid); ++ subvol_name = btrfs_get_subvol_name_from_objectid( ++ btrfs_sb(mnt->mnt_sb), subvol_objectid); + if (IS_ERR(subvol_name)) { + root = ERR_CAST(subvol_name); + subvol_name = NULL; +diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c +index aefb0169d46d7..afec808a763b1 100644 +--- a/fs/btrfs/sysfs.c ++++ b/fs/btrfs/sysfs.c +@@ -10,6 +10,7 @@ + #include <linux/kobject.h> + #include <linux/bug.h> + #include <linux/debugfs.h> ++#include <linux/sched/mm.h> + + #include "ctree.h" + #include "disk-io.h" +@@ -766,7 +767,9 @@ int btrfs_sysfs_add_device_link(struct btrfs_fs_devices *fs_devices, + { + int error = 0; + struct btrfs_device *dev; ++ unsigned int nofs_flag; + ++ nofs_flag = memalloc_nofs_save(); + list_for_each_entry(dev, &fs_devices->devices, dev_list) { + struct hd_struct *disk; + struct kobject *disk_kobj; +@@ -785,6 +788,7 @@ int btrfs_sysfs_add_device_link(struct btrfs_fs_devices *fs_devices, + if (error) + break; + } ++ memalloc_nofs_restore(nofs_flag); + + return error; + } +diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c +index a2e903203bf9f..0fa14d8b9c64c 100644 +--- a/fs/ceph/mds_client.c ++++ b/fs/ceph/mds_client.c +@@ -3682,7 +3682,6 @@ int ceph_mdsc_init(struct ceph_fs_client *fsc) + return -ENOMEM; + } + +- fsc->mdsc = mdsc; + init_completion(&mdsc->safe_umount_waiters); + init_waitqueue_head(&mdsc->session_close_wq); + INIT_LIST_HEAD(&mdsc->waiting_for_map); +@@ -3723,6 +3722,8 @@ int ceph_mdsc_init(struct ceph_fs_client *fsc) + + strscpy(mdsc->nodename, utsname()->nodename, + sizeof(mdsc->nodename)); ++ ++ fsc->mdsc = mdsc; + return 0; + } + +diff --git a/fs/eventpoll.c b/fs/eventpoll.c +index 58f48ea0db234..f988ccd064a22 100644 +--- a/fs/eventpoll.c ++++ b/fs/eventpoll.c +@@ -1890,9 +1890,11 @@ static int ep_loop_check_proc(void *priv, void *cookie, int call_nests) + * not already there, and calling reverse_path_check() + * during ep_insert(). + */ +- if (list_empty(&epi->ffd.file->f_tfile_llink)) ++ if (list_empty(&epi->ffd.file->f_tfile_llink)) { ++ get_file(epi->ffd.file); + list_add(&epi->ffd.file->f_tfile_llink, + &tfile_check_list); ++ } + } + } + mutex_unlock(&ep->mtx); +@@ -1936,6 +1938,7 @@ static void clear_tfile_check_list(void) + file = list_first_entry(&tfile_check_list, struct file, + f_tfile_llink); + list_del_init(&file->f_tfile_llink); ++ fput(file); + } + INIT_LIST_HEAD(&tfile_check_list); + } +@@ -2091,13 +2094,13 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, + mutex_lock(&epmutex); + if (is_file_epoll(tf.file)) { + error = -ELOOP; +- if (ep_loop_check(ep, tf.file) != 0) { +- clear_tfile_check_list(); ++ if (ep_loop_check(ep, tf.file) != 0) + goto error_tgt_fput; +- } +- } else ++ } else { ++ get_file(tf.file); + list_add(&tf.file->f_tfile_llink, + &tfile_check_list); ++ } + mutex_lock_nested(&ep->mtx, 0); + if (is_file_epoll(tf.file)) { + tep = tf.file->private_data; +@@ -2121,8 +2124,6 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, + error = ep_insert(ep, &epds, tf.file, fd, full_check); + } else + error = -EEXIST; +- if (full_check) +- clear_tfile_check_list(); + break; + case EPOLL_CTL_DEL: + if (epi) +@@ -2145,8 +2146,10 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, + mutex_unlock(&ep->mtx); + + error_tgt_fput: +- if (full_check) ++ if (full_check) { ++ clear_tfile_check_list(); + mutex_unlock(&epmutex); ++ } + + fdput(tf); + error_fput: +diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c +index d203cc935ff83..552164034d340 100644 +--- a/fs/ext4/block_validity.c ++++ b/fs/ext4/block_validity.c +@@ -68,7 +68,7 @@ static int add_system_zone(struct ext4_system_blocks *system_blks, + ext4_fsblk_t start_blk, + unsigned int count) + { +- struct ext4_system_zone *new_entry = NULL, *entry; ++ struct ext4_system_zone *new_entry, *entry; + struct rb_node **n = &system_blks->root.rb_node, *node; + struct rb_node *parent = NULL, *new_node = NULL; + +@@ -79,30 +79,20 @@ static int add_system_zone(struct ext4_system_blocks *system_blks, + n = &(*n)->rb_left; + else if (start_blk >= (entry->start_blk + entry->count)) + n = &(*n)->rb_right; +- else { +- if (start_blk + count > (entry->start_blk + +- entry->count)) +- entry->count = (start_blk + count - +- entry->start_blk); +- new_node = *n; +- new_entry = rb_entry(new_node, struct ext4_system_zone, +- node); +- break; +- } ++ else /* Unexpected overlap of system zones. */ ++ return -EFSCORRUPTED; + } + +- if (!new_entry) { +- new_entry = kmem_cache_alloc(ext4_system_zone_cachep, +- GFP_KERNEL); +- if (!new_entry) +- return -ENOMEM; +- new_entry->start_blk = start_blk; +- new_entry->count = count; +- new_node = &new_entry->node; +- +- rb_link_node(new_node, parent, n); +- rb_insert_color(new_node, &system_blks->root); +- } ++ new_entry = kmem_cache_alloc(ext4_system_zone_cachep, ++ GFP_KERNEL); ++ if (!new_entry) ++ return -ENOMEM; ++ new_entry->start_blk = start_blk; ++ new_entry->count = count; ++ new_node = &new_entry->node; ++ ++ rb_link_node(new_node, parent, n); ++ rb_insert_color(new_node, &system_blks->root); + + /* Can we merge to the left? */ + node = rb_prev(new_node); +diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c +index a8f2e3549bb95..186a2dd05bd87 100644 +--- a/fs/ext4/namei.c ++++ b/fs/ext4/namei.c +@@ -1309,8 +1309,8 @@ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size, + ext4_match(fname, de)) { + /* found a match - just to be sure, do + * a full check */ +- if (ext4_check_dir_entry(dir, NULL, de, bh, bh->b_data, +- bh->b_size, offset)) ++ if (ext4_check_dir_entry(dir, NULL, de, bh, search_buf, ++ buf_size, offset)) + return -1; + *res_dir = de; + return 1; +@@ -1732,7 +1732,7 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, + blocksize, hinfo, map); + map -= count; + dx_sort_map(map, count); +- /* Split the existing block in the middle, size-wise */ ++ /* Ensure that neither split block is over half full */ + size = 0; + move = 0; + for (i = count-1; i >= 0; i--) { +@@ -1742,8 +1742,18 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, + size += map[i].size; + move++; + } +- /* map index at which we will split */ +- split = count - move; ++ /* ++ * map index at which we will split ++ * ++ * If the sum of active entries didn't exceed half the block size, just ++ * split it in half by count; each resulting block will have at least ++ * half the space free. ++ */ ++ if (i > 0) ++ split = count - move; ++ else ++ split = count/2; ++ + hash2 = map[split].hash; + continued = hash2 == map[split - 1].hash; + dxtrace(printk(KERN_INFO "Split block %lu at %x, %i/%i\n", +@@ -2344,7 +2354,7 @@ int ext4_generic_delete_entry(handle_t *handle, + de = (struct ext4_dir_entry_2 *)entry_buf; + while (i < buf_size - csum_size) { + if (ext4_check_dir_entry(dir, NULL, de, bh, +- bh->b_data, bh->b_size, i)) ++ entry_buf, buf_size, i)) + return -EFSCORRUPTED; + if (de == de_del) { + if (pde) +diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c +index a15a22d209090..8a50722bca29e 100644 +--- a/fs/jbd2/journal.c ++++ b/fs/jbd2/journal.c +@@ -1370,8 +1370,10 @@ static int jbd2_write_superblock(journal_t *journal, int write_flags) + int ret; + + /* Buffer got discarded which means block device got invalidated */ +- if (!buffer_mapped(bh)) ++ if (!buffer_mapped(bh)) { ++ unlock_buffer(bh); + return -EIO; ++ } + + trace_jbd2_write_superblock(journal, write_flags); + if (!(journal->j_flags & JBD2_BARRIER)) +diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c +index f20cff1194bb6..776493713153f 100644 +--- a/fs/jffs2/dir.c ++++ b/fs/jffs2/dir.c +@@ -590,10 +590,14 @@ static int jffs2_rmdir (struct inode *dir_i, struct dentry *dentry) + int ret; + uint32_t now = JFFS2_NOW(); + ++ mutex_lock(&f->sem); + for (fd = f->dents ; fd; fd = fd->next) { +- if (fd->ino) ++ if (fd->ino) { ++ mutex_unlock(&f->sem); + return -ENOTEMPTY; ++ } + } ++ mutex_unlock(&f->sem); + + ret = jffs2_do_unlink(c, dir_f, dentry->d_name.name, + dentry->d_name.len, f, now); +diff --git a/fs/romfs/storage.c b/fs/romfs/storage.c +index f86f51f99aceb..1dcadd22b440d 100644 +--- a/fs/romfs/storage.c ++++ b/fs/romfs/storage.c +@@ -221,10 +221,8 @@ int romfs_dev_read(struct super_block *sb, unsigned long pos, + size_t limit; + + limit = romfs_maxsize(sb); +- if (pos >= limit) ++ if (pos >= limit || buflen > limit - pos) + return -EIO; +- if (buflen > limit - pos) +- buflen = limit - pos; + + #ifdef CONFIG_ROMFS_ON_MTD + if (sb->s_mtd) +diff --git a/fs/signalfd.c b/fs/signalfd.c +index 4fcd1498acf52..3c40a3bf772ce 100644 +--- a/fs/signalfd.c ++++ b/fs/signalfd.c +@@ -313,9 +313,10 @@ SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask, + { + sigset_t mask; + +- if (sizemask != sizeof(sigset_t) || +- copy_from_user(&mask, user_mask, sizeof(mask))) ++ if (sizemask != sizeof(sigset_t)) + return -EINVAL; ++ if (copy_from_user(&mask, user_mask, sizeof(mask))) ++ return -EFAULT; + return do_signalfd4(ufd, &mask, flags); + } + +@@ -324,9 +325,10 @@ SYSCALL_DEFINE3(signalfd, int, ufd, sigset_t __user *, user_mask, + { + sigset_t mask; + +- if (sizemask != sizeof(sigset_t) || +- copy_from_user(&mask, user_mask, sizeof(mask))) ++ if (sizemask != sizeof(sigset_t)) + return -EINVAL; ++ if (copy_from_user(&mask, user_mask, sizeof(mask))) ++ return -EFAULT; + return do_signalfd4(ufd, &mask, 0); + } + +diff --git a/fs/xfs/xfs_sysfs.h b/fs/xfs/xfs_sysfs.h +index e9f810fc67317..43585850f1546 100644 +--- a/fs/xfs/xfs_sysfs.h ++++ b/fs/xfs/xfs_sysfs.h +@@ -32,9 +32,11 @@ xfs_sysfs_init( + struct xfs_kobj *parent_kobj, + const char *name) + { ++ struct kobject *parent; ++ ++ parent = parent_kobj ? &parent_kobj->kobject : NULL; + init_completion(&kobj->complete); +- return kobject_init_and_add(&kobj->kobject, ktype, +- &parent_kobj->kobject, "%s", name); ++ return kobject_init_and_add(&kobj->kobject, ktype, parent, "%s", name); + } + + static inline void +diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c +index c23257a26c2b8..b8f05d5909b59 100644 +--- a/fs/xfs/xfs_trans_dquot.c ++++ b/fs/xfs/xfs_trans_dquot.c +@@ -657,7 +657,7 @@ xfs_trans_dqresv( + } + } + if (ninos > 0) { +- total_count = be64_to_cpu(dqp->q_core.d_icount) + ninos; ++ total_count = dqp->q_res_icount + ninos; + timer = be32_to_cpu(dqp->q_core.d_itimer); + warns = be16_to_cpu(dqp->q_core.d_iwarns); + warnlimit = dqp->q_mount->m_quotainfo->qi_iwarnlimit; +diff --git a/kernel/kthread.c b/kernel/kthread.c +index 087d18d771b53..b786eda90bb56 100644 +--- a/kernel/kthread.c ++++ b/kernel/kthread.c +@@ -190,8 +190,15 @@ static void __kthread_parkme(struct kthread *self) + if (!test_bit(KTHREAD_SHOULD_PARK, &self->flags)) + break; + ++ /* ++ * Thread is going to call schedule(), do not preempt it, ++ * or the caller of kthread_park() may spend more time in ++ * wait_task_inactive(). ++ */ ++ preempt_disable(); + complete(&self->parked); +- schedule(); ++ schedule_preempt_disabled(); ++ preempt_enable(); + } + __set_current_state(TASK_RUNNING); + } +@@ -236,8 +243,14 @@ static int kthread(void *_create) + /* OK, tell user we're spawned, wait for stop or wakeup */ + __set_current_state(TASK_UNINTERRUPTIBLE); + create->result = current; ++ /* ++ * Thread is going to call schedule(), do not preempt it, ++ * or the creator may spend more time in wait_task_inactive(). ++ */ ++ preempt_disable(); + complete(done); +- schedule(); ++ schedule_preempt_disabled(); ++ preempt_enable(); + + ret = -EINTR; + if (!test_bit(KTHREAD_SHOULD_STOP, &self->flags)) { +diff --git a/kernel/relay.c b/kernel/relay.c +index 13c19f39e31e2..735cb208f023b 100644 +--- a/kernel/relay.c ++++ b/kernel/relay.c +@@ -197,6 +197,7 @@ free_buf: + static void relay_destroy_channel(struct kref *kref) + { + struct rchan *chan = container_of(kref, struct rchan, kref); ++ free_percpu(chan->buf); + kfree(chan); + } + +diff --git a/mm/hugetlb.c b/mm/hugetlb.c +index e068c7f75a849..8a5708f31aa07 100644 +--- a/mm/hugetlb.c ++++ b/mm/hugetlb.c +@@ -4650,25 +4650,21 @@ static bool vma_shareable(struct vm_area_struct *vma, unsigned long addr) + void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma, + unsigned long *start, unsigned long *end) + { +- unsigned long check_addr = *start; ++ unsigned long a_start, a_end; + + if (!(vma->vm_flags & VM_MAYSHARE)) + return; + +- for (check_addr = *start; check_addr < *end; check_addr += PUD_SIZE) { +- unsigned long a_start = check_addr & PUD_MASK; +- unsigned long a_end = a_start + PUD_SIZE; ++ /* Extend the range to be PUD aligned for a worst case scenario */ ++ a_start = ALIGN_DOWN(*start, PUD_SIZE); ++ a_end = ALIGN(*end, PUD_SIZE); + +- /* +- * If sharing is possible, adjust start/end if necessary. +- */ +- if (range_in_vma(vma, a_start, a_end)) { +- if (a_start < *start) +- *start = a_start; +- if (a_end > *end) +- *end = a_end; +- } +- } ++ /* ++ * Intersect the range with the vma range, since pmd sharing won't be ++ * across vma after all ++ */ ++ *start = max(vma->vm_start, a_start); ++ *end = min(vma->vm_end, a_end); + } + + /* +diff --git a/mm/khugepaged.c b/mm/khugepaged.c +index 483c4573695a9..f37be43f8caeb 100644 +--- a/mm/khugepaged.c ++++ b/mm/khugepaged.c +@@ -394,7 +394,7 @@ static void insert_to_mm_slots_hash(struct mm_struct *mm, + + static inline int khugepaged_test_exit(struct mm_struct *mm) + { +- return atomic_read(&mm->mm_users) == 0; ++ return atomic_read(&mm->mm_users) == 0 || !mmget_still_valid(mm); + } + + static bool hugepage_vma_check(struct vm_area_struct *vma, +@@ -427,7 +427,7 @@ int __khugepaged_enter(struct mm_struct *mm) + return -ENOMEM; + + /* __khugepaged_exit() must not run from under us */ +- VM_BUG_ON_MM(khugepaged_test_exit(mm), mm); ++ VM_BUG_ON_MM(atomic_read(&mm->mm_users) == 0, mm); + if (unlikely(test_and_set_bit(MMF_VM_HUGEPAGE, &mm->flags))) { + free_mm_slot(mm_slot); + return 0; +@@ -1005,9 +1005,6 @@ static void collapse_huge_page(struct mm_struct *mm, + * handled by the anon_vma lock + PG_lock. + */ + down_write(&mm->mmap_sem); +- result = SCAN_ANY_PROCESS; +- if (!mmget_still_valid(mm)) +- goto out; + result = hugepage_vma_revalidate(mm, address, &vma); + if (result) + goto out; +diff --git a/mm/page_alloc.c b/mm/page_alloc.c +index 7181dfe764405..5717ee66c8b38 100644 +--- a/mm/page_alloc.c ++++ b/mm/page_alloc.c +@@ -1115,6 +1115,11 @@ static void free_pcppages_bulk(struct zone *zone, int count, + struct page *page, *tmp; + LIST_HEAD(head); + ++ /* ++ * Ensure proper count is passed which otherwise would stuck in the ++ * below while (list_empty(list)) loop. ++ */ ++ count = min(pcp->count, count); + while (count) { + struct list_head *list; + +@@ -7395,7 +7400,7 @@ int __meminit init_per_zone_wmark_min(void) + + return 0; + } +-core_initcall(init_per_zone_wmark_min) ++postcore_initcall(init_per_zone_wmark_min) + + /* + * min_free_kbytes_sysctl_handler - just a wrapper around proc_dointvec() so +diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c +index 16c8174658fd1..252495ff9010d 100644 +--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c ++++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c +@@ -268,6 +268,8 @@ static int svc_rdma_post_recv(struct svcxprt_rdma *rdma) + { + struct svc_rdma_recv_ctxt *ctxt; + ++ if (test_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags)) ++ return 0; + ctxt = svc_rdma_recv_ctxt_get(rdma); + if (!ctxt) + return -ENOMEM; +diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc +index 8f004db6f6034..1ee33d2e15bf8 100644 +--- a/scripts/kconfig/qconf.cc ++++ b/scripts/kconfig/qconf.cc +@@ -869,40 +869,40 @@ void ConfigList::focusInEvent(QFocusEvent *e) + + void ConfigList::contextMenuEvent(QContextMenuEvent *e) + { +- if (e->y() <= header()->geometry().bottom()) { +- if (!headerPopup) { +- QAction *action; +- +- headerPopup = new QMenu(this); +- action = new QAction("Show Name", this); +- action->setCheckable(true); +- connect(action, SIGNAL(toggled(bool)), +- parent(), SLOT(setShowName(bool))); +- connect(parent(), SIGNAL(showNameChanged(bool)), +- action, SLOT(setOn(bool))); +- action->setChecked(showName); +- headerPopup->addAction(action); +- action = new QAction("Show Range", this); +- action->setCheckable(true); +- connect(action, SIGNAL(toggled(bool)), +- parent(), SLOT(setShowRange(bool))); +- connect(parent(), SIGNAL(showRangeChanged(bool)), +- action, SLOT(setOn(bool))); +- action->setChecked(showRange); +- headerPopup->addAction(action); +- action = new QAction("Show Data", this); +- action->setCheckable(true); +- connect(action, SIGNAL(toggled(bool)), +- parent(), SLOT(setShowData(bool))); +- connect(parent(), SIGNAL(showDataChanged(bool)), +- action, SLOT(setOn(bool))); +- action->setChecked(showData); +- headerPopup->addAction(action); +- } +- headerPopup->exec(e->globalPos()); +- e->accept(); +- } else +- e->ignore(); ++ if (!headerPopup) { ++ QAction *action; ++ ++ headerPopup = new QMenu(this); ++ action = new QAction("Show Name", this); ++ action->setCheckable(true); ++ connect(action, SIGNAL(toggled(bool)), ++ parent(), SLOT(setShowName(bool))); ++ connect(parent(), SIGNAL(showNameChanged(bool)), ++ action, SLOT(setChecked(bool))); ++ action->setChecked(showName); ++ headerPopup->addAction(action); ++ ++ action = new QAction("Show Range", this); ++ action->setCheckable(true); ++ connect(action, SIGNAL(toggled(bool)), ++ parent(), SLOT(setShowRange(bool))); ++ connect(parent(), SIGNAL(showRangeChanged(bool)), ++ action, SLOT(setChecked(bool))); ++ action->setChecked(showRange); ++ headerPopup->addAction(action); ++ ++ action = new QAction("Show Data", this); ++ action->setCheckable(true); ++ connect(action, SIGNAL(toggled(bool)), ++ parent(), SLOT(setShowData(bool))); ++ connect(parent(), SIGNAL(showDataChanged(bool)), ++ action, SLOT(setChecked(bool))); ++ action->setChecked(showData); ++ headerPopup->addAction(action); ++ } ++ ++ headerPopup->exec(e->globalPos()); ++ e->accept(); + } + + ConfigView*ConfigView::viewList; +@@ -1228,7 +1228,7 @@ QMenu* ConfigInfoView::createStandardContextMenu(const QPoint & pos) + + action->setCheckable(true); + connect(action, SIGNAL(toggled(bool)), SLOT(setShowDebug(bool))); +- connect(this, SIGNAL(showDebugChanged(bool)), action, SLOT(setOn(bool))); ++ connect(this, SIGNAL(showDebugChanged(bool)), action, SLOT(setChecked(bool))); + action->setChecked(showDebug()); + popup->addSeparator(); + popup->addAction(action); +diff --git a/sound/soc/codecs/msm8916-wcd-analog.c b/sound/soc/codecs/msm8916-wcd-analog.c +index cbdb6d4bb91ef..f4aba065c9257 100644 +--- a/sound/soc/codecs/msm8916-wcd-analog.c ++++ b/sound/soc/codecs/msm8916-wcd-analog.c +@@ -16,8 +16,8 @@ + + #define CDC_D_REVISION1 (0xf000) + #define CDC_D_PERPH_SUBTYPE (0xf005) +-#define CDC_D_INT_EN_SET (0x015) +-#define CDC_D_INT_EN_CLR (0x016) ++#define CDC_D_INT_EN_SET (0xf015) ++#define CDC_D_INT_EN_CLR (0xf016) + #define MBHC_SWITCH_INT BIT(7) + #define MBHC_MIC_ELECTRICAL_INS_REM_DET BIT(6) + #define MBHC_BUTTON_PRESS_DET BIT(5) +diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c +index 6868e71e3a3f0..0572c3c964506 100644 +--- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c ++++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c +@@ -339,7 +339,7 @@ static int sst_media_open(struct snd_pcm_substream *substream, + + ret_val = power_up_sst(stream); + if (ret_val < 0) +- return ret_val; ++ goto out_power_up; + + /* Make sure, that the period size is always even */ + snd_pcm_hw_constraint_step(substream->runtime, 0, +@@ -348,8 +348,9 @@ static int sst_media_open(struct snd_pcm_substream *substream, + return snd_pcm_hw_constraint_integer(runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + out_ops: +- kfree(stream); + mutex_unlock(&sst_lock); ++out_power_up: ++ kfree(stream); + return ret_val; + } + +diff --git a/sound/soc/qcom/qdsp6/q6routing.c b/sound/soc/qcom/qdsp6/q6routing.c +index c6b51571be945..44eee18c658ae 100644 +--- a/sound/soc/qcom/qdsp6/q6routing.c ++++ b/sound/soc/qcom/qdsp6/q6routing.c +@@ -968,6 +968,20 @@ static int msm_routing_probe(struct snd_soc_component *c) + return 0; + } + ++static unsigned int q6routing_reg_read(struct snd_soc_component *component, ++ unsigned int reg) ++{ ++ /* default value */ ++ return 0; ++} ++ ++static int q6routing_reg_write(struct snd_soc_component *component, ++ unsigned int reg, unsigned int val) ++{ ++ /* dummy */ ++ return 0; ++} ++ + static const struct snd_soc_component_driver msm_soc_routing_component = { + .ops = &q6pcm_routing_ops, + .probe = msm_routing_probe, +@@ -976,6 +990,8 @@ static const struct snd_soc_component_driver msm_soc_routing_component = { + .num_dapm_widgets = ARRAY_SIZE(msm_qdsp6_widgets), + .dapm_routes = intercon, + .num_dapm_routes = ARRAY_SIZE(intercon), ++ .read = q6routing_reg_read, ++ .write = q6routing_reg_write, + }; + + static int q6pcm_routing_probe(struct platform_device *pdev) +diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c +index 60169196b9481..4da4ec2552463 100644 +--- a/tools/perf/util/probe-finder.c ++++ b/tools/perf/util/probe-finder.c +@@ -1351,7 +1351,7 @@ int debuginfo__find_trace_events(struct debuginfo *dbg, + tf.ntevs = 0; + + ret = debuginfo__find_probes(dbg, &tf.pf); +- if (ret < 0) { ++ if (ret < 0 || tf.ntevs == 0) { + for (i = 0; i < tf.ntevs; i++) + clear_probe_trace_event(&tf.tevs[i]); + zfree(tevs); +diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c +index 075cb0c730149..90418d79ef676 100644 +--- a/tools/testing/selftests/cgroup/cgroup_util.c ++++ b/tools/testing/selftests/cgroup/cgroup_util.c +@@ -95,7 +95,7 @@ int cg_read_strcmp(const char *cgroup, const char *control, + + /* Handle the case of comparing against empty string */ + if (!expected) +- size = 32; ++ return -1; + else + size = strlen(expected) + 1; + +diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c +index a5bc10d30618f..41d6285c3da99 100644 +--- a/virt/kvm/arm/mmu.c ++++ b/virt/kvm/arm/mmu.c +@@ -323,7 +323,8 @@ static void unmap_stage2_puds(struct kvm *kvm, pgd_t *pgd, + * destroying the VM), otherwise another faulting VCPU may come in and mess + * with things behind our backs. + */ +-static void unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size) ++static void __unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size, ++ bool may_block) + { + pgd_t *pgd; + phys_addr_t addr = start, end = start + size; +@@ -348,11 +349,16 @@ static void unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size) + * If the range is too large, release the kvm->mmu_lock + * to prevent starvation and lockup detector warnings. + */ +- if (next != end) ++ if (may_block && next != end) + cond_resched_lock(&kvm->mmu_lock); + } while (pgd++, addr = next, addr != end); + } + ++static void unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size) ++{ ++ __unmap_stage2_range(kvm, start, size, true); ++} ++ + static void stage2_flush_ptes(struct kvm *kvm, pmd_t *pmd, + phys_addr_t addr, phys_addr_t end) + { +@@ -1820,18 +1826,20 @@ static int handle_hva_to_gpa(struct kvm *kvm, + + static int kvm_unmap_hva_handler(struct kvm *kvm, gpa_t gpa, u64 size, void *data) + { +- unmap_stage2_range(kvm, gpa, size); ++ bool may_block = *(bool *)data; ++ ++ __unmap_stage2_range(kvm, gpa, size, may_block); + return 0; + } + + int kvm_unmap_hva_range(struct kvm *kvm, +- unsigned long start, unsigned long end) ++ unsigned long start, unsigned long end, bool blockable) + { + if (!kvm->arch.pgd) + return 0; + + trace_kvm_unmap_hva_range(start, end); +- handle_hva_to_gpa(kvm, start, end, &kvm_unmap_hva_handler, NULL); ++ handle_hva_to_gpa(kvm, start, end, &kvm_unmap_hva_handler, &blockable); + return 0; + } + +diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c +index 1218ea663c6d2..2155b52b17eca 100644 +--- a/virt/kvm/kvm_main.c ++++ b/virt/kvm/kvm_main.c +@@ -410,7 +410,7 @@ static int kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn, + * count is also read inside the mmu_lock critical section. + */ + kvm->mmu_notifier_count++; +- need_tlb_flush = kvm_unmap_hva_range(kvm, start, end); ++ need_tlb_flush = kvm_unmap_hva_range(kvm, start, end, blockable); + need_tlb_flush |= kvm->tlbs_dirty; + /* we've to flush the tlb before the pages can be freed */ + if (need_tlb_flush) |