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authorBorislav Petkov <bp@suse.de>2014-11-05 17:28:06 +0100
committerBorislav Petkov <bp@suse.de>2014-11-05 17:28:06 +0100
commit85be07c32496dc264661308e4d9d4e9ccaff8072 (patch)
treecc620328baf4c7ca6b555a3b06dfdd40675e2512 /arch
parentx86, kaslr: Prevent .bss from overlaping initrd (diff)
downloadlinux-85be07c32496dc264661308e4d9d4e9ccaff8072.tar.xz
linux-85be07c32496dc264661308e4d9d4e9ccaff8072.zip
x86, microcode: Fix accessing dis_ucode_ldr on 32-bit
We should be accessing it through a pointer, like on the BSP. Tested-by: Richard Hendershot <rshendershot@mchsi.com> Fixes: 65cef1311d5d ("x86, microcode: Add a disable chicken bit") Cc: <stable@vger.kernel.org> # v3.15+ Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/cpu/microcode/core_early.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/microcode/core_early.c b/arch/x86/kernel/cpu/microcode/core_early.c
index 5f28a64e71ea..2c017f242a78 100644
--- a/arch/x86/kernel/cpu/microcode/core_early.c
+++ b/arch/x86/kernel/cpu/microcode/core_early.c
@@ -124,7 +124,7 @@ void __init load_ucode_bsp(void)
static bool check_loader_disabled_ap(void)
{
#ifdef CONFIG_X86_32
- return __pa_nodebug(dis_ucode_ldr);
+ return *((bool *)__pa_nodebug(&dis_ucode_ldr));
#else
return dis_ucode_ldr;
#endif