Re: [PATCH 1/3] x86, intel: Output microcode revision v3

From: Ingo Molnar
Date: Thu Jul 07 2011 - 06:53:40 EST



* Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:

> From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
>
> I got a request to make it easier to determine the microcode update level
> on Intel CPUs. This patch adds a new "microcode" field to /proc/cpuinfo.
>
> The microcode level is also outputed on fatal machine checks together
> with the other CPUID model information.
>
> I removed the respective code from the microcode update driver, it
> just reads the field from cpu_data. Also when the microcode is updated
> it fills in the new values too.
>
> I had to add a memory barrier to native_cpuid to prevent it being
> optimized away when the result is not used.
>
> This turns out to clean up further code which already got this
> information manually. This is done in followon patches.
>
> v2: Lots of updates based on feedback.
> v3: Rename cpu_update to microcode. Misc changes from feedback.
> Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> ---
> arch/x86/include/asm/processor.h | 4 +++-
> arch/x86/kernel/cpu/intel.c | 13 +++++++++++++
> arch/x86/kernel/cpu/mcheck/mce.c | 9 +++++++--
> arch/x86/kernel/cpu/proc.c | 3 ++-
> arch/x86/kernel/microcode_intel.c | 14 +++++---------
> 5 files changed, 30 insertions(+), 13 deletions(-)

You have *still* ignored some of the review suggestions i gave you in
the previous thread, and you know that i won't apply your patches
without you addressing all feedback.

So why did you send this incomplete series?

Thanks,

Ingo
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