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>

1 files changed, 13 insertions, 14 deletions

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;