Merge tag 'v3.11-rc7' into stable/for-linus-3.12

Linux 3.11-rc7

As we need the git commit 28817e9de4f039a1a8c1fe1df2fa2df524626b9e
Author: Chuck Anderson <chuck.anderson@oracle.com>
Date:   Tue Aug 6 15:12:19 2013 -0700

    xen/smp: initialize IPI vectors before marking CPU online

* tag 'v3.11-rc7': (443 commits)
  Linux 3.11-rc7
  ARC: [lib] strchr breakage in Big-endian configuration
  VFS: collect_mounts() should return an ERR_PTR
  bfs: iget_locked() doesn't return an ERR_PTR
  efs: iget_locked() doesn't return an ERR_PTR()
  proc: kill the extra proc_readfd_common()->dir_emit_dots()
  cope with potentially long ->d_dname() output for shmem/hugetlb
  usb: phy: fix build breakage
  USB: OHCI: add missing PCI PM callbacks to ohci-pci.c
  staging: comedi: bug-fix NULL pointer dereference on failed attach
  lib/lz4: correct the LZ4 license
  memcg: get rid of swapaccount leftovers
  nilfs2: fix issue with counting number of bio requests for BIO_EOPNOTSUPP error detection
  nilfs2: remove double bio_put() in nilfs_end_bio_write() for BIO_EOPNOTSUPP error
  drivers/platform/olpc/olpc-ec.c: initialise earlier
  ipv4: expose IPV4_DEVCONF
  ipv6: handle Redirect ICMP Message with no Redirected Header option
  be2net: fix disabling TX in be_close()
  Revert "ACPI / video: Always call acpi_video_init_brightness() on init"
  Revert "genetlink: fix family dump race"
  ...

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

8 files changed, 53 insertions, 53 deletions

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index f654ecefea5b..08a089043ccf 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -512,7 +512,7 @@ static void early_init_amd(struct cpuinfo_x86 *c)
 
 static const int amd_erratum_383[];
 static const int amd_erratum_400[];
-static bool cpu_has_amd_erratum(const int *erratum);
+static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum);
 
 static void init_amd(struct cpuinfo_x86 *c)
 {
@@ -729,11 +729,11 @@ static void init_amd(struct cpuinfo_x86 *c)
                 value &= ~(1ULL << 24);
                 wrmsrl_safe(MSR_AMD64_BU_CFG2, value);
 
-                if (cpu_has_amd_erratum(amd_erratum_383))
+                if (cpu_has_amd_erratum(c, amd_erratum_383))
                         set_cpu_bug(c, X86_BUG_AMD_TLB_MMATCH);
         }
 
-        if (cpu_has_amd_erratum(amd_erratum_400))
+        if (cpu_has_amd_erratum(c, amd_erratum_400))
                 set_cpu_bug(c, X86_BUG_AMD_APIC_C1E);
 
         rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy);
@@ -878,23 +878,13 @@ static const int amd_erratum_400[] =
 static const int amd_erratum_383[] =
         AMD_OSVW_ERRATUM(3, AMD_MODEL_RANGE(0x10, 0, 0, 0xff, 0xf));
 
-static bool cpu_has_amd_erratum(const int *erratum)
+
+static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum)
 {
-        struct cpuinfo_x86 *cpu = __this_cpu_ptr(&cpu_info);
         int osvw_id = *erratum++;
         u32 range;
         u32 ms;
 
-        /*
-         * If called early enough that current_cpu_data hasn't been initialized
-         * yet, fall back to boot_cpu_data.
-         */
-        if (cpu->x86 == 0)
-                cpu = &boot_cpu_data;
-
-        if (cpu->x86_vendor != X86_VENDOR_AMD)
-                return false;
-
         if (osvw_id >= 0 && osvw_id < 65536 &&
             cpu_has(cpu, X86_FEATURE_OSVW)) {
                 u64 osvw_len;
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index fbc9210b45bc..a45d8d4ace10 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -2270,6 +2270,7 @@ __init int intel_pmu_init(void)
         case 70:
         case 71:
         case 63:
+        case 69:
                 x86_pmu.late_ack = true;
                 memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, sizeof(hw_cache_event_ids));
                 memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index cad791dbde95..1fb6c72717bd 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -314,8 +314,8 @@ static struct uncore_event_desc snbep_uncore_imc_events[] = {
 static struct uncore_event_desc snbep_uncore_qpi_events[] = {
         INTEL_UNCORE_EVENT_DESC(clockticks,       "event=0x14"),
         INTEL_UNCORE_EVENT_DESC(txl_flits_active, "event=0x00,umask=0x06"),
-        INTEL_UNCORE_EVENT_DESC(drs_data,         "event=0x02,umask=0x08"),
-        INTEL_UNCORE_EVENT_DESC(ncb_data,         "event=0x03,umask=0x04"),
+        INTEL_UNCORE_EVENT_DESC(drs_data,         "event=0x102,umask=0x08"),
+        INTEL_UNCORE_EVENT_DESC(ncb_data,         "event=0x103,umask=0x04"),
         { /* end: all zeroes */ },
 };
 
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 94ab6b90dd3f..63bdb29b2549 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -196,15 +196,23 @@ static void __init ati_bugs_contd(int num, int slot, int func)
 static void __init intel_remapping_check(int num, int slot, int func)
 {
         u8 revision;
+        u16 device;
 
+        device = read_pci_config_16(num, slot, func, PCI_DEVICE_ID);
         revision = read_pci_config_byte(num, slot, func, PCI_REVISION_ID);
 
         /*
-         * Revision 0x13 of this chipset supports irq remapping
-         * but has an erratum that breaks its behavior, flag it as such
+         * Revision 13 of all triggering devices id in this quirk have
+         * a problem draining interrupts when irq remapping is enabled,
+         * and should be flagged as broken.  Additionally revisions 0x12
+         * and 0x22 of device id 0x3405 has this problem.
          */
         if (revision == 0x13)
                 set_irq_remapping_broken();
+        else if ((device == 0x3405) &&
+            ((revision == 0x12) ||
+             (revision == 0x22)))
+                set_irq_remapping_broken();
 
 }
 
@@ -239,6 +247,8 @@ static struct chipset early_qrk[] __initdata = {
           PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs_contd },
         { PCI_VENDOR_ID_INTEL, 0x3403, PCI_CLASS_BRIDGE_HOST,
           PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check },
+        { PCI_VENDOR_ID_INTEL, 0x3405, PCI_CLASS_BRIDGE_HOST,
+          PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check },
         { PCI_VENDOR_ID_INTEL, 0x3406, PCI_CLASS_BRIDGE_HOST,
           PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check },
         {}
diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c
index 202d24f0f7e7..5d576ab34403 100644
--- a/arch/x86/kernel/i387.c
+++ b/arch/x86/kernel/i387.c
@@ -116,7 +116,7 @@ static void mxcsr_feature_mask_init(void)
 
         if (cpu_has_fxsr) {
                 memset(&fx_scratch, 0, sizeof(struct i387_fxsave_struct));
-                asm volatile("fxsave %0" : : "m" (fx_scratch));
+                asm volatile("fxsave %0" : "+m" (fx_scratch));
                 mask = fx_scratch.mxcsr_mask;
                 if (mask == 0)
                         mask = 0x0000ffbf;
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 47ebb1dbfbcb..7123b5df479d 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -145,10 +145,9 @@ static int collect_cpu_info_amd(int cpu, struct cpu_signature *csig)
         return 0;
 }
 
-static unsigned int verify_patch_size(int cpu, u32 patch_size,
+static unsigned int verify_patch_size(u8 family, u32 patch_size,
                                       unsigned int size)
 {
-        struct cpuinfo_x86 *c = &cpu_data(cpu);
         u32 max_size;
 
 #define F1XH_MPB_MAX_SIZE 2048
@@ -156,7 +155,7 @@ static unsigned int verify_patch_size(int cpu, u32 patch_size,
 #define F15H_MPB_MAX_SIZE 4096
 #define F16H_MPB_MAX_SIZE 3458
 
-        switch (c->x86) {
+        switch (family) {
         case 0x14:
                 max_size = F14H_MPB_MAX_SIZE;
                 break;
@@ -220,12 +219,13 @@ int apply_microcode_amd(int cpu)
                 return 0;
         }
 
-        if (__apply_microcode_amd(mc_amd))
+        if (__apply_microcode_amd(mc_amd)) {
                 pr_err("CPU%d: update failed for patch_level=0x%08x\n",
                         cpu, mc_amd->hdr.patch_id);
-        else
-                pr_info("CPU%d: new patch_level=0x%08x\n", cpu,
-                        mc_amd->hdr.patch_id);
+                return -1;
+        }
+        pr_info("CPU%d: new patch_level=0x%08x\n", cpu,
+                mc_amd->hdr.patch_id);
 
         uci->cpu_sig.rev = mc_amd->hdr.patch_id;
         c->microcode = mc_amd->hdr.patch_id;
@@ -276,9 +276,8 @@ static void cleanup(void)
  * driver cannot continue functioning normally. In such cases, we tear
  * down everything we've used up so far and exit.
  */
-static int verify_and_add_patch(unsigned int cpu, u8 *fw, unsigned int leftover)
+static int verify_and_add_patch(u8 family, u8 *fw, unsigned int leftover)
 {
-        struct cpuinfo_x86 *c = &cpu_data(cpu);
         struct microcode_header_amd *mc_hdr;
         struct ucode_patch *patch;
         unsigned int patch_size, crnt_size, ret;
@@ -298,7 +297,7 @@ static int verify_and_add_patch(unsigned int cpu, u8 *fw, unsigned int leftover)
 
         /* check if patch is for the current family */
         proc_fam = ((proc_fam >> 8) & 0xf) + ((proc_fam >> 20) & 0xff);
-        if (proc_fam != c->x86)
+        if (proc_fam != family)
                 return crnt_size;
 
         if (mc_hdr->nb_dev_id || mc_hdr->sb_dev_id) {
@@ -307,7 +306,7 @@ static int verify_and_add_patch(unsigned int cpu, u8 *fw, unsigned int leftover)
                 return crnt_size;
         }
 
-        ret = verify_patch_size(cpu, patch_size, leftover);
+        ret = verify_patch_size(family, patch_size, leftover);
         if (!ret) {
                 pr_err("Patch-ID 0x%08x: size mismatch.\n", mc_hdr->patch_id);
                 return crnt_size;
@@ -338,7 +337,8 @@ static int verify_and_add_patch(unsigned int cpu, u8 *fw, unsigned int leftover)
         return crnt_size;
 }
 
-static enum ucode_state __load_microcode_amd(int cpu, const u8 *data, size_t size)
+static enum ucode_state __load_microcode_amd(u8 family, const u8 *data,
+                                             size_t size)
 {
         enum ucode_state ret = UCODE_ERROR;
         unsigned int leftover;
@@ -361,7 +361,7 @@ static enum ucode_state __load_microcode_amd(int cpu, const u8 *data, size_t siz
         }
 
         while (leftover) {
-                crnt_size = verify_and_add_patch(cpu, fw, leftover);
+                crnt_size = verify_and_add_patch(family, fw, leftover);
                 if (crnt_size < 0)
                         return ret;
 
@@ -372,22 +372,22 @@ static enum ucode_state __load_microcode_amd(int cpu, const u8 *data, size_t siz
         return UCODE_OK;
 }
 
-enum ucode_state load_microcode_amd(int cpu, const u8 *data, size_t size)
+enum ucode_state load_microcode_amd(u8 family, const u8 *data, size_t size)
 {
         enum ucode_state ret;
 
         /* free old equiv table */
         free_equiv_cpu_table();
 
-        ret = __load_microcode_amd(cpu, data, size);
+        ret = __load_microcode_amd(family, data, size);
 
         if (ret != UCODE_OK)
                 cleanup();
 
 #if defined(CONFIG_MICROCODE_AMD_EARLY) && defined(CONFIG_X86_32)
         /* save BSP's matching patch for early load */
-        if (cpu_data(cpu).cpu_index == boot_cpu_data.cpu_index) {
-                struct ucode_patch *p = find_patch(cpu);
+        if (cpu_data(smp_processor_id()).cpu_index == boot_cpu_data.cpu_index) {
+                struct ucode_patch *p = find_patch(smp_processor_id());
                 if (p) {
                         memset(amd_bsp_mpb, 0, MPB_MAX_SIZE);
                         memcpy(amd_bsp_mpb, p->data, min_t(u32, ksize(p->data),
@@ -440,7 +440,7 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device,
                 goto fw_release;
         }
 
-        ret = load_microcode_amd(cpu, fw->data, fw->size);
+        ret = load_microcode_amd(c->x86, fw->data, fw->size);
 
  fw_release:
         release_firmware(fw);
diff --git a/arch/x86/kernel/microcode_amd_early.c b/arch/x86/kernel/microcode_amd_early.c
index 1d14ffee5749..6073104ccaa3 100644
--- a/arch/x86/kernel/microcode_amd_early.c
+++ b/arch/x86/kernel/microcode_amd_early.c
@@ -238,25 +238,17 @@ static void __init collect_cpu_sig_on_bsp(void *arg)
         uci->cpu_sig.sig = cpuid_eax(0x00000001);
 }
 #else
-static void collect_cpu_info_amd_early(struct cpuinfo_x86 *c,
-                                                 struct ucode_cpu_info *uci)
+void load_ucode_amd_ap(void)
 {
+        unsigned int cpu = smp_processor_id();
+        struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
         u32 rev, eax;
 
         rdmsr(MSR_AMD64_PATCH_LEVEL, rev, eax);
         eax = cpuid_eax(0x00000001);
 
-        uci->cpu_sig.sig = eax;
         uci->cpu_sig.rev = rev;
-        c->microcode = rev;
-        c->x86 = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);
-}
-
-void load_ucode_amd_ap(void)
-{
-        unsigned int cpu = smp_processor_id();
-
-        collect_cpu_info_amd_early(&cpu_data(cpu), ucode_cpu_info + cpu);
+        uci->cpu_sig.sig = eax;
 
         if (cpu && !ucode_loaded) {
                 void *ucode;
@@ -265,8 +257,10 @@ void load_ucode_amd_ap(void)
                         return;
 
                 ucode = (void *)(initrd_start + ucode_offset);
-                if (load_microcode_amd(0, ucode, ucode_size) != UCODE_OK)
+                eax   = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);
+                if (load_microcode_amd(eax, ucode, ucode_size) != UCODE_OK)
                         return;
+
                 ucode_loaded = true;
         }
 
@@ -278,6 +272,8 @@ int __init save_microcode_in_initrd_amd(void)
 {
         enum ucode_state ret;
         void *ucode;
+        u32 eax;
+
 #ifdef CONFIG_X86_32
         unsigned int bsp = boot_cpu_data.cpu_index;
         struct ucode_cpu_info *uci = ucode_cpu_info + bsp;
@@ -293,7 +289,10 @@ int __init save_microcode_in_initrd_amd(void)
                 return 0;
 
         ucode = (void *)(initrd_start + ucode_offset);
-        ret = load_microcode_amd(0, ucode, ucode_size);
+        eax   = cpuid_eax(0x00000001);
+        eax   = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);
+
+        ret = load_microcode_amd(eax, ucode, ucode_size);
         if (ret != UCODE_OK)
                 return -EINVAL;
 
diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
index dbded5aedb81..30277e27431a 100644
--- a/arch/x86/kernel/sys_x86_64.c
+++ b/arch/x86/kernel/sys_x86_64.c
@@ -101,7 +101,7 @@ static void find_start_end(unsigned long flags, unsigned long *begin,
                                 *begin = new_begin;
                 }
         } else {
-                *begin = TASK_UNMAPPED_BASE;
+                *begin = current->mm->mmap_legacy_base;
                 *end = TASK_SIZE;
         }
 }