Merge remote-tracking branch '4.9/tmp-82ab074' into 4.9

* 4.9/tmp-82ab074:
  Linux 4.9.17
  crypto: powerpc - Fix initialisation of crc32c context
  locking/rwsem: Fix down_write_killable() for CONFIG_RWSEM_GENERIC_SPINLOCK=y
  futex: Add missing error handling to FUTEX_REQUEUE_PI
  futex: Fix potential use-after-free in FUTEX_REQUEUE_PI
  x86/perf: Fix CR4.PCE propagation to use active_mm instead of mm
  x86/kasan: Fix boot with KASAN=y and PROFILE_ANNOTATED_BRANCHES=y
  x86/tsc: Fix ART for TSC_KNOWN_FREQ
  irqchip/gicv3-its: Add workaround for QDF2400 ITS erratum 0065
  arm64: KVM: VHE: Clear HCR_TGE when invalidating guest TLBs
  drm/vc4: Fix ->clock_select setting for the VEC encoder
  drm/vc4: Fix race between page flip completion event and clean-up
  clk: bcm2835: Fix ->fixed_divider of pllh_aux
  powerpc/mm: Fix build break when CMA=n && SPAPR_TCE_IOMMU=y
  usb: gadget: udc: atmel: remove memory leak
  serial: 8250_pci: Detach low-level driver during PCI error recovery
  ACPI / blacklist: Make Dell Latitude 3350 ethernet work
  ACPI / blacklist: add _REV quirks for Dell Precision 5520 and 3520
  slub: move synchronize_sched out of slab_mutex on shrink
  uvcvideo: uvc_scan_fallback() for webcams with broken chain
  s390/zcrypt: Introduce CEX6 toleration
  block: allow WRITE_SAME commands with the SG_IO ioctl
  drm/nouveau/disp/nv50-: specify ctrl/user separately when constructing classes
  drm/nouveau/disp/nv50-: split chid into chid.ctrl and chid.user
  drm/nouveau/disp/gp102: fix cursor/overlay immediate channel indices
  vfio/spapr: Postpone default window creation
  vfio/spapr: Add a helper to create default DMA window
  powerpc/mm/iommu, vfio/spapr: Put pages on VFIO container shutdown
  vfio/spapr: Reference mm in tce_container
  powerpc/iommu: Stop using @current in mm_iommu_xxx
  powerpc/iommu: Pass mm_struct to init/cleanup helpers
  vfio/spapr: Postpone allocation of userspace version of TCE table
  Drivers: hv: ring_buffer: count on wrap around mappings in get_next_pkt_raw() (v2)
  ibmveth: calculate gso_segs for large packets
  PCI: Do any VF BAR updates before enabling the BARs
  PCI: Ignore BAR updates on virtual functions
  PCI: Update BARs using property bits appropriate for type
  PCI: Don't update VF BARs while VF memory space is enabled
  PCI: Decouple IORESOURCE_ROM_ENABLE and PCI_ROM_ADDRESS_ENABLE
  PCI: Add comments about ROM BAR updating
  PCI: Remove pci_resource_bar() and pci_iov_resource_bar()
  PCI: Separate VF BAR updates from standard BAR updates
  x86/hyperv: Handle unknown NMIs on one CPU when unknown_nmi_panic
  scsi: ibmvscsis: Synchronize cmds at remove time
  scsi: ibmvscsis: Synchronize cmds at tpg_enable_store time
  scsi: ibmvscsis: Rearrange functions for future patches
  scsi: ibmvscsis: Clean up properly if target_submit_cmd/tmr fails
  scsi: ibmvscsis: Return correct partition name/# to client
  scsi: ibmvscsis: Issues from Dan Carpenter/Smatch
  igb: add i211 to i210 PHY workaround
  igb: Workaround for igb i210 firmware issue
  xen: do not re-use pirq number cached in pci device msi msg data
  dmaengine: iota: ioat_alloc_chan_resources should not perform sleeping allocations.
  bpf: fix mark_reg_unknown_value for spilled regs on map value marking
  bpf: fix regression on verifier pruning wrt map lookups
  bpf: fix state equivalence
  bpf: Detect identical PTR_TO_MAP_VALUE_OR_NULL registers
  dccp: fix memory leak during tear-down of unsuccessful connection request
  tun: fix premature POLLOUT notification on tun devices
  dccp/tcp: fix routing redirect race
  bridge: drop netfilter fake rtable unconditionally
  ipv6: avoid write to a possibly cloned skb
  ipv6: make ECMP route replacement less greedy
  mpls: Do not decrement alive counter for unregister events
  mpls: Send route delete notifications when router module is unloaded
  act_connmark: avoid crashing on malformed nlattrs with null parms
  uapi: fix linux/packet_diag.h userspace compilation error
  net/tunnel: set inner protocol in network gro hooks
  vrf: Fix use-after-free in vrf_xmit
  dccp: fix use-after-free in dccp_feat_activate_values
  net/sched: act_skbmod: remove unneeded rcu_read_unlock in tcf_skbmod_dump
  net: fix socket refcounting in skb_complete_tx_timestamp()
  net: fix socket refcounting in skb_complete_wifi_ack()
  tcp: fix various issues for sockets morphing to listen state
  strparser: destroy workqueue on module exit
  dccp: Unlock sock before calling sk_free()
  ipv6: orphan skbs in reassembly unit
  net: net_enable_timestamp() can be called from irq contexts
  net: don't call strlen() on the user buffer in packet_bind_spkt()
  net: bridge: allow IPv6 when multicast flood is disabled
  tcp/dccp: block BH for SYN processing
  mlxsw: spectrum_router: Avoid potential packets loss
  geneve: lock RCU on TX path
  vxlan: lock RCU on TX path
  net: phy: Avoid deadlock during phy_error()
  l2tp: avoid use-after-free caused by l2tp_ip_backlog_recv
  net sched actions: decrement module reference count after table flush.
  ipv4: mask tos for input route
  vxlan: don't allow overwrite of config src addr
  vti6: return GRE_KEY for vti6
  vxlan: correctly validate VXLAN ID against VXLAN_N_VID
  net/mlx5e: Fix wrong CQE decompression
  net/mlx5e: Do not reduce LRO WQE size when not using build_skb
  net/mlx5e: Register/unregister vport representors on interface attach/detach
  ANDROID: mmc: core: export emmc revision
  ANDROID: sdcardfs: Fix gid issue
  ANDROID: sdcardfs: Remove uninformative prints
  ANDROID: sdcardfs: move path_put outside of spinlock
  ANDROID: sdcardfs: Use case insensitive hash function
  ANDROID: sdcardfs: declare MODULE_ALIAS_FS
  ANDROID: sdcardfs: Get the blocksize from the lower fs
  ANDROID: sdcardfs: Use d_invalidate instead of drop_recurisve
  ANDROID: sdcardfs: Switch to internal case insensitive compare
  ANDROID: sdcardfs: Use spin_lock_nested
  ANDROID: sdcardfs: Replace get/put with d_lock
  ANDROID: sdcardfs: rate limit warning print
  ANDROID: sdcardfs: Fix case insensitive lookup
  ANDROID: sdcardfs: support direct-IO (DIO) operations
  ANDROID: sdcardfs: implement vm_ops->page_mkwrite
  ANDROID: sdcardfs: Don't bother deleting freelist
  ANDROID: sdcardfs: Add missing path_put
  ANDROID: sdcardfs: Fix incorrect hash
  ANDROID: export security_path_chown
  ANDROID: sdcardfs: Switch strcasecmp for internal call
  ANDROID: sdcardfs: switch to full_name_hash and qstr
  ANDROID: sdcardfs: Add GID Derivation to sdcardfs
  ANDROID: sdcardfs: Remove redundant operation
  ANDROID: sdcardfs: add support for user permission isolation
  ANDROID: sdcardfs: Refactor configfs interface
  ANDROID: sdcardfs: Allow non-owners to touch
  ANDROID: binder: add padding to binder_fd_array_object.
  ANDROID: binder: use group leader instead of open thread
  BACKPORT: mmc: core: Export device lifetime information through sysfs
  ANDROID: android-verity: do not compile as independent module

Change-Id: I7d409ec3e84eaa7f499c951d38f4cba2614415f7
Signed-off-by: Kyle Yan <kyan@codeaurora.org>
This commit is contained in:
Kyle Yan 2017-03-27 13:24:51 -07:00
commit 110cce4ad4
129 changed files with 2893 additions and 1652 deletions

View file

@ -42,24 +42,26 @@ file acts as a registry of software workarounds in the Linux Kernel and
will be updated when new workarounds are committed and backported to
stable kernels.
| Implementor | Component | Erratum ID | Kconfig |
+----------------+-----------------+-----------------+-------------------------+
| ARM | Cortex-A53 | #826319 | ARM64_ERRATUM_826319 |
| ARM | Cortex-A53 | #827319 | ARM64_ERRATUM_827319 |
| ARM | Cortex-A53 | #824069 | ARM64_ERRATUM_824069 |
| ARM | Cortex-A53 | #819472 | ARM64_ERRATUM_819472 |
| ARM | Cortex-A53 | #845719 | ARM64_ERRATUM_845719 |
| ARM | Cortex-A53 | #843419 | ARM64_ERRATUM_843419 |
| ARM | Cortex-A57 | #832075 | ARM64_ERRATUM_832075 |
| ARM | Cortex-A57 | #852523 | N/A |
| ARM | Cortex-A57 | #834220 | ARM64_ERRATUM_834220 |
| ARM | Cortex-A72 | #853709 | N/A |
| ARM | MMU-500 | #841119,#826419 | N/A |
| | | | |
| Cavium | ThunderX ITS | #22375, #24313 | CAVIUM_ERRATUM_22375 |
| Cavium | ThunderX ITS | #23144 | CAVIUM_ERRATUM_23144 |
| Cavium | ThunderX GICv3 | #23154 | CAVIUM_ERRATUM_23154 |
| Cavium | ThunderX Core | #27456 | CAVIUM_ERRATUM_27456 |
| Cavium | ThunderX SMMUv2 | #27704 | N/A |
| | | | |
| Freescale/NXP | LS2080A/LS1043A | A-008585 | FSL_ERRATUM_A008585 |
| Implementor | Component | Erratum ID | Kconfig |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A53 | #826319 | ARM64_ERRATUM_826319 |
| ARM | Cortex-A53 | #827319 | ARM64_ERRATUM_827319 |
| ARM | Cortex-A53 | #824069 | ARM64_ERRATUM_824069 |
| ARM | Cortex-A53 | #819472 | ARM64_ERRATUM_819472 |
| ARM | Cortex-A53 | #845719 | ARM64_ERRATUM_845719 |
| ARM | Cortex-A53 | #843419 | ARM64_ERRATUM_843419 |
| ARM | Cortex-A57 | #832075 | ARM64_ERRATUM_832075 |
| ARM | Cortex-A57 | #852523 | N/A |
| ARM | Cortex-A57 | #834220 | ARM64_ERRATUM_834220 |
| ARM | Cortex-A72 | #853709 | N/A |
| ARM | MMU-500 | #841119,#826419 | N/A |
| | | | |
| Cavium | ThunderX ITS | #22375, #24313 | CAVIUM_ERRATUM_22375 |
| Cavium | ThunderX ITS | #23144 | CAVIUM_ERRATUM_23144 |
| Cavium | ThunderX GICv3 | #23154 | CAVIUM_ERRATUM_23154 |
| Cavium | ThunderX Core | #27456 | CAVIUM_ERRATUM_27456 |
| Cavium | ThunderX SMMUv2 | #27704 | N/A |
| | | | |
| Freescale/NXP | LS2080A/LS1043A | A-008585 | FSL_ERRATUM_A008585 |
| | | | |
| Qualcomm Tech. | QDF2400 ITS | E0065 | QCOM_QDF2400_ERRATUM_0065 |

View file

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
SUBLEVEL = 16
SUBLEVEL = 17
EXTRAVERSION =
NAME = Roaring Lionus

View file

@ -478,6 +478,16 @@ config CAVIUM_ERRATUM_27456
If unsure, say Y.
config QCOM_QDF2400_ERRATUM_0065
bool "QDF2400 E0065: Incorrect GITS_TYPER.ITT_Entry_size"
default y
help
On Qualcomm Datacenter Technologies QDF2400 SoC, ITS hardware reports
ITE size incorrectly. The GITS_TYPER.ITT_Entry_size field should have
been indicated as 16Bytes (0xf), not 8Bytes (0x7).
If unsure, say Y.
endmenu

View file

@ -17,14 +17,62 @@
#include <asm/kvm_hyp.h>
static void __hyp_text __tlb_switch_to_guest_vhe(struct kvm *kvm)
{
u64 val;
/*
* With VHE enabled, we have HCR_EL2.{E2H,TGE} = {1,1}, and
* most TLB operations target EL2/EL0. In order to affect the
* guest TLBs (EL1/EL0), we need to change one of these two
* bits. Changing E2H is impossible (goodbye TTBR1_EL2), so
* let's flip TGE before executing the TLB operation.
*/
write_sysreg(kvm->arch.vttbr, vttbr_el2);
val = read_sysreg(hcr_el2);
val &= ~HCR_TGE;
write_sysreg(val, hcr_el2);
isb();
}
static void __hyp_text __tlb_switch_to_guest_nvhe(struct kvm *kvm)
{
write_sysreg(kvm->arch.vttbr, vttbr_el2);
isb();
}
static hyp_alternate_select(__tlb_switch_to_guest,
__tlb_switch_to_guest_nvhe,
__tlb_switch_to_guest_vhe,
ARM64_HAS_VIRT_HOST_EXTN);
static void __hyp_text __tlb_switch_to_host_vhe(struct kvm *kvm)
{
/*
* We're done with the TLB operation, let's restore the host's
* view of HCR_EL2.
*/
write_sysreg(0, vttbr_el2);
write_sysreg(HCR_HOST_VHE_FLAGS, hcr_el2);
}
static void __hyp_text __tlb_switch_to_host_nvhe(struct kvm *kvm)
{
write_sysreg(0, vttbr_el2);
}
static hyp_alternate_select(__tlb_switch_to_host,
__tlb_switch_to_host_nvhe,
__tlb_switch_to_host_vhe,
ARM64_HAS_VIRT_HOST_EXTN);
void __hyp_text __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa)
{
dsb(ishst);
/* Switch to requested VMID */
kvm = kern_hyp_va(kvm);
write_sysreg(kvm->arch.vttbr, vttbr_el2);
isb();
__tlb_switch_to_guest()(kvm);
/*
* We could do so much better if we had the VA as well.
@ -45,7 +93,7 @@ void __hyp_text __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa)
dsb(ish);
isb();
write_sysreg(0, vttbr_el2);
__tlb_switch_to_host()(kvm);
}
void __hyp_text __kvm_tlb_flush_vmid(struct kvm *kvm)
@ -54,14 +102,13 @@ void __hyp_text __kvm_tlb_flush_vmid(struct kvm *kvm)
/* Switch to requested VMID */
kvm = kern_hyp_va(kvm);
write_sysreg(kvm->arch.vttbr, vttbr_el2);
isb();
__tlb_switch_to_guest()(kvm);
asm volatile("tlbi vmalls12e1is" : : );
dsb(ish);
isb();
write_sysreg(0, vttbr_el2);
__tlb_switch_to_host()(kvm);
}
void __hyp_text __kvm_tlb_flush_local_vmid(struct kvm_vcpu *vcpu)
@ -69,14 +116,13 @@ void __hyp_text __kvm_tlb_flush_local_vmid(struct kvm_vcpu *vcpu)
struct kvm *kvm = kern_hyp_va(kern_hyp_va(vcpu)->kvm);
/* Switch to requested VMID */
write_sysreg(kvm->arch.vttbr, vttbr_el2);
isb();
__tlb_switch_to_guest()(kvm);
asm volatile("tlbi vmalle1" : : );
dsb(nsh);
isb();
write_sysreg(0, vttbr_el2);
__tlb_switch_to_host()(kvm);
}
void __hyp_text __kvm_flush_vm_context(void)

View file

@ -52,7 +52,7 @@ static int crc32c_vpmsum_cra_init(struct crypto_tfm *tfm)
{
u32 *key = crypto_tfm_ctx(tfm);
*key = 0;
*key = ~0;
return 0;
}

View file

@ -19,16 +19,18 @@ extern void destroy_context(struct mm_struct *mm);
struct mm_iommu_table_group_mem_t;
extern int isolate_lru_page(struct page *page); /* from internal.h */
extern bool mm_iommu_preregistered(void);
extern long mm_iommu_get(unsigned long ua, unsigned long entries,
extern bool mm_iommu_preregistered(struct mm_struct *mm);
extern long mm_iommu_get(struct mm_struct *mm,
unsigned long ua, unsigned long entries,
struct mm_iommu_table_group_mem_t **pmem);
extern long mm_iommu_put(struct mm_iommu_table_group_mem_t *mem);
extern void mm_iommu_init(mm_context_t *ctx);
extern void mm_iommu_cleanup(mm_context_t *ctx);
extern struct mm_iommu_table_group_mem_t *mm_iommu_lookup(unsigned long ua,
unsigned long size);
extern struct mm_iommu_table_group_mem_t *mm_iommu_find(unsigned long ua,
unsigned long entries);
extern long mm_iommu_put(struct mm_struct *mm,
struct mm_iommu_table_group_mem_t *mem);
extern void mm_iommu_init(struct mm_struct *mm);
extern void mm_iommu_cleanup(struct mm_struct *mm);
extern struct mm_iommu_table_group_mem_t *mm_iommu_lookup(struct mm_struct *mm,
unsigned long ua, unsigned long size);
extern struct mm_iommu_table_group_mem_t *mm_iommu_find(struct mm_struct *mm,
unsigned long ua, unsigned long entries);
extern long mm_iommu_ua_to_hpa(struct mm_iommu_table_group_mem_t *mem,
unsigned long ua, unsigned long *hpa);
extern long mm_iommu_mapped_inc(struct mm_iommu_table_group_mem_t *mem);

View file

@ -915,7 +915,7 @@ void __init setup_arch(char **cmdline_p)
init_mm.context.pte_frag = NULL;
#endif
#ifdef CONFIG_SPAPR_TCE_IOMMU
mm_iommu_init(&init_mm.context);
mm_iommu_init(&init_mm);
#endif
irqstack_early_init();
exc_lvl_early_init();

View file

@ -115,7 +115,7 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
mm->context.pte_frag = NULL;
#endif
#ifdef CONFIG_SPAPR_TCE_IOMMU
mm_iommu_init(&mm->context);
mm_iommu_init(mm);
#endif
return 0;
}
@ -156,13 +156,11 @@ static inline void destroy_pagetable_page(struct mm_struct *mm)
}
#endif
void destroy_context(struct mm_struct *mm)
{
#ifdef CONFIG_SPAPR_TCE_IOMMU
mm_iommu_cleanup(&mm->context);
WARN_ON_ONCE(!list_empty(&mm->context.iommu_group_mem_list));
#endif
#ifdef CONFIG_PPC_ICSWX
drop_cop(mm->context.acop, mm);
kfree(mm->context.cop_lockp);

View file

@ -56,7 +56,7 @@ static long mm_iommu_adjust_locked_vm(struct mm_struct *mm,
}
pr_debug("[%d] RLIMIT_MEMLOCK HASH64 %c%ld %ld/%ld\n",
current->pid,
current ? current->pid : 0,
incr ? '+' : '-',
npages << PAGE_SHIFT,
mm->locked_vm << PAGE_SHIFT,
@ -66,12 +66,9 @@ static long mm_iommu_adjust_locked_vm(struct mm_struct *mm,
return ret;
}
bool mm_iommu_preregistered(void)
bool mm_iommu_preregistered(struct mm_struct *mm)
{
if (!current || !current->mm)
return false;
return !list_empty(&current->mm->context.iommu_group_mem_list);
return !list_empty(&mm->context.iommu_group_mem_list);
}
EXPORT_SYMBOL_GPL(mm_iommu_preregistered);
@ -124,19 +121,16 @@ static int mm_iommu_move_page_from_cma(struct page *page)
return 0;
}
long mm_iommu_get(unsigned long ua, unsigned long entries,
long mm_iommu_get(struct mm_struct *mm, unsigned long ua, unsigned long entries,
struct mm_iommu_table_group_mem_t **pmem)
{
struct mm_iommu_table_group_mem_t *mem;
long i, j, ret = 0, locked_entries = 0;
struct page *page = NULL;
if (!current || !current->mm)
return -ESRCH; /* process exited */
mutex_lock(&mem_list_mutex);
list_for_each_entry_rcu(mem, &current->mm->context.iommu_group_mem_list,
list_for_each_entry_rcu(mem, &mm->context.iommu_group_mem_list,
next) {
if ((mem->ua == ua) && (mem->entries == entries)) {
++mem->used;
@ -154,7 +148,7 @@ long mm_iommu_get(unsigned long ua, unsigned long entries,
}
ret = mm_iommu_adjust_locked_vm(current->mm, entries, true);
ret = mm_iommu_adjust_locked_vm(mm, entries, true);
if (ret)
goto unlock_exit;
@ -190,7 +184,7 @@ long mm_iommu_get(unsigned long ua, unsigned long entries,
* of the CMA zone if possible. NOTE: faulting in + migration
* can be expensive. Batching can be considered later
*/
if (get_pageblock_migratetype(page) == MIGRATE_CMA) {
if (is_migrate_cma_page(page)) {
if (mm_iommu_move_page_from_cma(page))
goto populate;
if (1 != get_user_pages_fast(ua + (i << PAGE_SHIFT),
@ -215,11 +209,11 @@ populate:
mem->entries = entries;
*pmem = mem;
list_add_rcu(&mem->next, &current->mm->context.iommu_group_mem_list);
list_add_rcu(&mem->next, &mm->context.iommu_group_mem_list);
unlock_exit:
if (locked_entries && ret)
mm_iommu_adjust_locked_vm(current->mm, locked_entries, false);
mm_iommu_adjust_locked_vm(mm, locked_entries, false);
mutex_unlock(&mem_list_mutex);
@ -264,17 +258,13 @@ static void mm_iommu_free(struct rcu_head *head)
static void mm_iommu_release(struct mm_iommu_table_group_mem_t *mem)
{
list_del_rcu(&mem->next);
mm_iommu_adjust_locked_vm(current->mm, mem->entries, false);
call_rcu(&mem->rcu, mm_iommu_free);
}
long mm_iommu_put(struct mm_iommu_table_group_mem_t *mem)
long mm_iommu_put(struct mm_struct *mm, struct mm_iommu_table_group_mem_t *mem)
{
long ret = 0;
if (!current || !current->mm)
return -ESRCH; /* process exited */
mutex_lock(&mem_list_mutex);
if (mem->used == 0) {
@ -297,6 +287,8 @@ long mm_iommu_put(struct mm_iommu_table_group_mem_t *mem)
/* @mapped became 0 so now mappings are disabled, release the region */
mm_iommu_release(mem);
mm_iommu_adjust_locked_vm(mm, mem->entries, false);
unlock_exit:
mutex_unlock(&mem_list_mutex);
@ -304,14 +296,12 @@ unlock_exit:
}
EXPORT_SYMBOL_GPL(mm_iommu_put);
struct mm_iommu_table_group_mem_t *mm_iommu_lookup(unsigned long ua,
unsigned long size)
struct mm_iommu_table_group_mem_t *mm_iommu_lookup(struct mm_struct *mm,
unsigned long ua, unsigned long size)
{
struct mm_iommu_table_group_mem_t *mem, *ret = NULL;
list_for_each_entry_rcu(mem,
&current->mm->context.iommu_group_mem_list,
next) {
list_for_each_entry_rcu(mem, &mm->context.iommu_group_mem_list, next) {
if ((mem->ua <= ua) &&
(ua + size <= mem->ua +
(mem->entries << PAGE_SHIFT))) {
@ -324,14 +314,12 @@ struct mm_iommu_table_group_mem_t *mm_iommu_lookup(unsigned long ua,
}
EXPORT_SYMBOL_GPL(mm_iommu_lookup);
struct mm_iommu_table_group_mem_t *mm_iommu_find(unsigned long ua,
unsigned long entries)
struct mm_iommu_table_group_mem_t *mm_iommu_find(struct mm_struct *mm,
unsigned long ua, unsigned long entries)
{
struct mm_iommu_table_group_mem_t *mem, *ret = NULL;
list_for_each_entry_rcu(mem,
&current->mm->context.iommu_group_mem_list,
next) {
list_for_each_entry_rcu(mem, &mm->context.iommu_group_mem_list, next) {
if ((mem->ua == ua) && (mem->entries == entries)) {
ret = mem;
break;
@ -373,17 +361,7 @@ void mm_iommu_mapped_dec(struct mm_iommu_table_group_mem_t *mem)
}
EXPORT_SYMBOL_GPL(mm_iommu_mapped_dec);
void mm_iommu_init(mm_context_t *ctx)
void mm_iommu_init(struct mm_struct *mm)
{
INIT_LIST_HEAD_RCU(&ctx->iommu_group_mem_list);
}
void mm_iommu_cleanup(mm_context_t *ctx)
{
struct mm_iommu_table_group_mem_t *mem, *tmp;
list_for_each_entry_safe(mem, tmp, &ctx->iommu_group_mem_list, next) {
list_del_rcu(&mem->next);
mm_iommu_do_free(mem);
}
INIT_LIST_HEAD_RCU(&mm->context.iommu_group_mem_list);
}

View file

@ -2096,8 +2096,8 @@ static int x86_pmu_event_init(struct perf_event *event)
static void refresh_pce(void *ignored)
{
if (current->mm)
load_mm_cr4(current->mm);
if (current->active_mm)
load_mm_cr4(current->active_mm);
}
static void x86_pmu_event_mapped(struct perf_event *event)

View file

@ -31,6 +31,7 @@
#include <asm/apic.h>
#include <asm/timer.h>
#include <asm/reboot.h>
#include <asm/nmi.h>
struct ms_hyperv_info ms_hyperv;
EXPORT_SYMBOL_GPL(ms_hyperv);
@ -158,6 +159,26 @@ static unsigned char hv_get_nmi_reason(void)
return 0;
}
#ifdef CONFIG_X86_LOCAL_APIC
/*
* Prior to WS2016 Debug-VM sends NMIs to all CPUs which makes
* it dificult to process CHANNELMSG_UNLOAD in case of crash. Handle
* unknown NMI on the first CPU which gets it.
*/
static int hv_nmi_unknown(unsigned int val, struct pt_regs *regs)
{
static atomic_t nmi_cpu = ATOMIC_INIT(-1);
if (!unknown_nmi_panic)
return NMI_DONE;
if (atomic_cmpxchg(&nmi_cpu, -1, raw_smp_processor_id()) != -1)
return NMI_HANDLED;
return NMI_DONE;
}
#endif
static void __init ms_hyperv_init_platform(void)
{
/*
@ -183,6 +204,9 @@ static void __init ms_hyperv_init_platform(void)
pr_info("HyperV: LAPIC Timer Frequency: %#x\n",
lapic_timer_frequency);
}
register_nmi_handler(NMI_UNKNOWN, hv_nmi_unknown, NMI_FLAG_FIRST,
"hv_nmi_unknown");
#endif
if (ms_hyperv.features & HV_X64_MSR_TIME_REF_COUNT_AVAILABLE)

View file

@ -4,6 +4,7 @@
* Copyright (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE
*/
#define DISABLE_BRANCH_PROFILING
#include <linux/init.h>
#include <linux/linkage.h>
#include <linux/types.h>

View file

@ -1287,6 +1287,8 @@ static int __init init_tsc_clocksource(void)
* exporting a reliable TSC.
*/
if (boot_cpu_has(X86_FEATURE_TSC_RELIABLE)) {
if (boot_cpu_has(X86_FEATURE_ART))
art_related_clocksource = &clocksource_tsc;
clocksource_register_khz(&clocksource_tsc, tsc_khz);
return 0;
}

View file

@ -1,3 +1,4 @@
#define DISABLE_BRANCH_PROFILING
#define pr_fmt(fmt) "kasan: " fmt
#include <linux/bootmem.h>
#include <linux/kasan.h>

View file

@ -234,23 +234,14 @@ static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
return 1;
for_each_pci_msi_entry(msidesc, dev) {
__pci_read_msi_msg(msidesc, &msg);
pirq = MSI_ADDR_EXT_DEST_ID(msg.address_hi) |
((msg.address_lo >> MSI_ADDR_DEST_ID_SHIFT) & 0xff);
if (msg.data != XEN_PIRQ_MSI_DATA ||
xen_irq_from_pirq(pirq) < 0) {
pirq = xen_allocate_pirq_msi(dev, msidesc);
if (pirq < 0) {
irq = -ENODEV;
goto error;
}
xen_msi_compose_msg(dev, pirq, &msg);
__pci_write_msi_msg(msidesc, &msg);
dev_dbg(&dev->dev, "xen: msi bound to pirq=%d\n", pirq);
} else {
dev_dbg(&dev->dev,
"xen: msi already bound to pirq=%d\n", pirq);
pirq = xen_allocate_pirq_msi(dev, msidesc);
if (pirq < 0) {
irq = -ENODEV;
goto error;
}
xen_msi_compose_msg(dev, pirq, &msg);
__pci_write_msi_msg(msidesc, &msg);
dev_dbg(&dev->dev, "xen: msi bound to pirq=%d\n", pirq);
irq = xen_bind_pirq_msi_to_irq(dev, msidesc, pirq,
(type == PCI_CAP_ID_MSI) ? nvec : 1,
(type == PCI_CAP_ID_MSIX) ?

View file

@ -182,6 +182,9 @@ static void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter)
__set_bit(WRITE_16, filter->write_ok);
__set_bit(WRITE_LONG, filter->write_ok);
__set_bit(WRITE_LONG_2, filter->write_ok);
__set_bit(WRITE_SAME, filter->write_ok);
__set_bit(WRITE_SAME_16, filter->write_ok);
__set_bit(WRITE_SAME_32, filter->write_ok);
__set_bit(ERASE, filter->write_ok);
__set_bit(GPCMD_MODE_SELECT_10, filter->write_ok);
__set_bit(MODE_SELECT, filter->write_ok);

View file

@ -160,6 +160,34 @@ static struct dmi_system_id acpi_rev_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"),
},
},
{
.callback = dmi_enable_rev_override,
.ident = "DELL Precision 5520",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 5520"),
},
},
{
.callback = dmi_enable_rev_override,
.ident = "DELL Precision 3520",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3520"),
},
},
/*
* Resolves a quirk with the Dell Latitude 3350 that
* causes the ethernet adapter to not function.
*/
{
.callback = dmi_enable_rev_override,
.ident = "DELL Latitude 3350",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"),
},
},
#endif
{}
};

View file

@ -3434,7 +3434,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
const char *failure_string;
struct binder_buffer *buffer;
if (proc->tsk != current)
if (proc->tsk != current->group_leader)
return -EINVAL;
if ((vma->vm_end - vma->vm_start) > SZ_4M)
@ -3540,9 +3540,9 @@ static int binder_open(struct inode *nodp, struct file *filp)
proc = kzalloc(sizeof(*proc), GFP_KERNEL);
if (proc == NULL)
return -ENOMEM;
get_task_struct(current);
proc->tsk = current;
proc->vma_vm_mm = current->mm;
get_task_struct(current->group_leader);
proc->tsk = current->group_leader;
proc->vma_vm_mm = current->group_leader->mm;
INIT_LIST_HEAD(&proc->todo);
init_waitqueue_head(&proc->wait);
proc->default_priority = task_nice(current);

View file

@ -1598,7 +1598,7 @@ static const struct bcm2835_clk_desc clk_desc_array[] = {
.a2w_reg = A2W_PLLH_AUX,
.load_mask = CM_PLLH_LOADAUX,
.hold_mask = 0,
.fixed_divider = 10),
.fixed_divider = 1),
[BCM2835_PLLH_PIX] = REGISTER_PLL_DIV(
.name = "pllh_pix",
.source_pll = "pllh",

View file

@ -691,7 +691,7 @@ static int ioat_alloc_chan_resources(struct dma_chan *c)
/* doing 2 32bit writes to mmio since 1 64b write doesn't work */
ioat_chan->completion =
dma_pool_zalloc(ioat_chan->ioat_dma->completion_pool,
GFP_KERNEL, &ioat_chan->completion_dma);
GFP_NOWAIT, &ioat_chan->completion_dma);
if (!ioat_chan->completion)
return -ENOMEM;
@ -701,7 +701,7 @@ static int ioat_alloc_chan_resources(struct dma_chan *c)
ioat_chan->reg_base + IOAT_CHANCMP_OFFSET_HIGH);
order = IOAT_MAX_ORDER;
ring = ioat_alloc_ring(c, order, GFP_KERNEL);
ring = ioat_alloc_ring(c, order, GFP_NOWAIT);
if (!ring)
return -ENOMEM;

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