Merge branch 'perf/urgent' into perf/core

Merge reason: We are going to queue up a dependent patch.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

5 files changed, 38 insertions, 23 deletions

diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index fd843877e841..39e49091f648 100644
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -315,6 +315,13 @@ static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
         current->mm->free_area_cache = TASK_UNMAPPED_BASE;
         current->mm->cached_hole_size = 0;
 
+        retval = setup_arg_pages(bprm, IA32_STACK_TOP, EXSTACK_DEFAULT);
+        if (retval < 0) {
+                /* Someone check-me: is this error path enough? */
+                send_sig(SIGKILL, current, 0);
+                return retval;
+        }
+
         install_exec_creds(bprm);
         current->flags &= ~PF_FORKNOEXEC;
 
@@ -410,13 +417,6 @@ beyond_if:
 
         set_brk(current->mm->start_brk, current->mm->brk);
 
-        retval = setup_arg_pages(bprm, IA32_STACK_TOP, EXSTACK_DEFAULT);
-        if (retval < 0) {
-                /* Someone check-me: is this error path enough? */
-                send_sig(SIGKILL, current, 0);
-                return retval;
-        }
-
         current->mm->start_stack =
                 (unsigned long)create_aout_tables((char __user *)bprm->p, bprm);
         /* start thread */
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 3bd37bdf1b8e..61d4f79a550e 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -385,14 +385,15 @@ static __initconst const u64 westmere_hw_cache_event_ids
 #define NHM_LOCAL_DRAM          (1 << 14)
 #define NHM_NON_DRAM            (1 << 15)
 
-#define NHM_ALL_DRAM            (NHM_REMOTE_DRAM|NHM_LOCAL_DRAM)
+#define NHM_LOCAL               (NHM_LOCAL_DRAM|NHM_REMOTE_CACHE_FWD)
+#define NHM_REMOTE              (NHM_REMOTE_DRAM)
 
 #define NHM_DMND_READ           (NHM_DMND_DATA_RD)
 #define NHM_DMND_WRITE          (NHM_DMND_RFO|NHM_DMND_WB)
 #define NHM_DMND_PREFETCH       (NHM_PF_DATA_RD|NHM_PF_DATA_RFO)
 
 #define NHM_L3_HIT      (NHM_UNCORE_HIT|NHM_OTHER_CORE_HIT_SNP|NHM_OTHER_CORE_HITM)
-#define NHM_L3_MISS     (NHM_NON_DRAM|NHM_ALL_DRAM|NHM_REMOTE_CACHE_FWD)
+#define NHM_L3_MISS     (NHM_NON_DRAM|NHM_LOCAL_DRAM|NHM_REMOTE_DRAM|NHM_REMOTE_CACHE_FWD)
 #define NHM_L3_ACCESS   (NHM_L3_HIT|NHM_L3_MISS)
 
 static __initconst const u64 nehalem_hw_cache_extra_regs
@@ -416,16 +417,16 @@ static __initconst const u64 nehalem_hw_cache_extra_regs
  },
  [ C(NODE) ] = {
         [ C(OP_READ) ] = {
-                [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_ALL_DRAM,
-                [ C(RESULT_MISS)   ] = NHM_DMND_READ|NHM_REMOTE_DRAM,
+                [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_LOCAL|NHM_REMOTE,
+                [ C(RESULT_MISS)   ] = NHM_DMND_READ|NHM_REMOTE,
         },
         [ C(OP_WRITE) ] = {
-                [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_ALL_DRAM,
-                [ C(RESULT_MISS)   ] = NHM_DMND_WRITE|NHM_REMOTE_DRAM,
+                [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_LOCAL|NHM_REMOTE,
+                [ C(RESULT_MISS)   ] = NHM_DMND_WRITE|NHM_REMOTE,
         },
         [ C(OP_PREFETCH) ] = {
-                [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_ALL_DRAM,
-                [ C(RESULT_MISS)   ] = NHM_DMND_PREFETCH|NHM_REMOTE_DRAM,
+                [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_LOCAL|NHM_REMOTE,
+                [ C(RESULT_MISS)   ] = NHM_DMND_PREFETCH|NHM_REMOTE,
         },
  },
 };
diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c
index fc45ba887d05..e395693abdb1 100644
--- a/arch/x86/lib/delay.c
+++ b/arch/x86/lib/delay.c
@@ -48,9 +48,9 @@ static void delay_loop(unsigned long loops)
 }
 
 /* TSC based delay: */
-static void delay_tsc(unsigned long loops)
+static void delay_tsc(unsigned long __loops)
 {
-        unsigned long bclock, now;
+        u32 bclock, now, loops = __loops;
         int cpu;
 
         preempt_disable();
diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
index f581a18c0d4d..8ecbb4bba4b3 100644
--- a/arch/x86/mm/hugetlbpage.c
+++ b/arch/x86/mm/hugetlbpage.c
@@ -333,13 +333,15 @@ try_again:
                  * Lookup failure means no vma is above this address,
                  * i.e. return with success:
                  */
-                if (!(vma = find_vma_prev(mm, addr, &prev_vma)))
+                vma = find_vma(mm, addr);
+                if (!vma)
                         return addr;
 
                 /*
                  * new region fits between prev_vma->vm_end and
                  * vma->vm_start, use it:
                  */
+                prev_vma = vma->vm_prev;
                 if (addr + len <= vma->vm_start &&
                             (!prev_vma || (addr >= prev_vma->vm_end))) {
                         /* remember the address as a hint for next time */
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index a312e76063a7..49a5cb55429b 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -60,6 +60,16 @@ static const struct dmi_system_id pci_use_crs_table[] __initconst = {
                         DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
                 },
         },
+        /* https://bugzilla.kernel.org/show_bug.cgi?id=42619 */
+        {
+                .callback = set_use_crs,
+                .ident = "MSI MS-7253",
+                .matches = {
+                        DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
+                        DMI_MATCH(DMI_BOARD_NAME, "MS-7253"),
+                        DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies, LTD"),
+                },
+        },
 
         /* Now for the blacklist.. */
 
@@ -282,9 +292,6 @@ static void add_resources(struct pci_root_info *info)
         int i;
         struct resource *res, *root, *conflict;
 
-        if (!pci_use_crs)
-                return;
-
         coalesce_windows(info, IORESOURCE_MEM);
         coalesce_windows(info, IORESOURCE_IO);
 
@@ -336,8 +343,13 @@ get_current_resources(struct acpi_device *device, int busnum,
         acpi_walk_resources(device->handle, METHOD_NAME__CRS, setup_resource,
                                 &info);
 
-        add_resources(&info);
-        return;
+        if (pci_use_crs) {
+                add_resources(&info);
+
+                return;
+        }
+
+        kfree(info.name);
 
 name_alloc_fail:
         kfree(info.res);