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| author | Ingo Molnar <mingo@kernel.org> | 2012-08-28 18:05:55 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-08-28 18:05:55 +0200 |
| commit | 508dc4f8eece1a70c493afc6511fdf5934fef567 (patch) | |
| tree | b852a6a5bf9977a33a87158985de02d188ba71d7 /arch/x86/kernel/microcode_amd.c | |
| parent | 734e9a26d612f64e1c9cfd92256969b773954ae2 (diff) | |
| parent | e3e45c01ae690e65f2650e5288b9af802e95a136 (diff) | |
Merge branch 'perf/urgent' into perf/core
Pick up the latest fixes because upcoming uprobes changes will rely on it.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/microcode_amd.c')
| -rw-r--r-- | arch/x86/kernel/microcode_amd.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 8a2ce8fd41c..82746f942cd 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -143,11 +143,12 @@ static int get_matching_microcode(int cpu, const u8 *ucode_ptr, unsigned int *current_size) { struct microcode_header_amd *mc_hdr; - unsigned int actual_size; + unsigned int actual_size, patch_size; u16 equiv_cpu_id; /* size of the current patch we're staring at */ - *current_size = *(u32 *)(ucode_ptr + 4) + SECTION_HDR_SIZE; + patch_size = *(u32 *)(ucode_ptr + 4); + *current_size = patch_size + SECTION_HDR_SIZE; equiv_cpu_id = find_equiv_id(); if (!equiv_cpu_id) @@ -174,7 +175,7 @@ static int get_matching_microcode(int cpu, const u8 *ucode_ptr, /* * now that the header looks sane, verify its size */ - actual_size = verify_ucode_size(cpu, *current_size, leftover_size); + actual_size = verify_ucode_size(cpu, patch_size, leftover_size); if (!actual_size) return 0; |