On Wed, Feb 18, 2015 at 10:20:13PM +0100, Ingo Molnar wrote:
> Do you have any stats about how many such (affected) patch
> sites we have in say the 64-bit defconfig kernel?
It is a good thing I have a tool to dump the alternatives patch sites
and what gets replaced by what. Because now I can create such stats just
like that! And hpa was questioning that tool's justification at the time
:-)
Anyway, here are the stats:
x86_64 defconfig:
Alternatives sites total: 2478
Total padding added (in Bytes): 6051
The padding is currently done for:
X86_FEATURE_ALWAYS
X86_FEATURE_ERMS
X86_FEATURE_LFENCE_RDTSC
X86_FEATURE_MFENCE_RDTSC
X86_FEATURE_SMAP
This is with the latest version of the patchset. Of course, on each
machine the alternatives sites actually being patched are a subset of
the total number.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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