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x86: ucode-amd: Load ucode-patches once and not separately of each CPU

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This also implies that corresponding log messages, e.g.

  platform microcode: firmware: requesting amd-ucode/microcode_amd.bin

show up only once on module load and not when ucode is updated
for each CPU.

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: dimm <dmitry.adamushko@gmail.com>
LKML-Reference: <20091110110723.GH30802@alberich.amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Andreas Herrmann
2009-11-10 12:07:23 +01:00
committed by Ingo Molnar
parent 6e18da75c2
commit d1c84f79a6
3 changed files with 25 additions and 7 deletions
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arch/x86/include/asm/microcode.h
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@@ -12,6 +12,8 @@ struct device;
enum ucode_state { UCODE_ERROR, UCODE_OK, UCODE_NFOUND };
struct microcode_ops {
void (*init)(struct device *device);
void (*fini)(void);
enum ucode_state (*request_microcode_user) (int cpu,
const void __user *buf, size_t size);