Re: [PATCH Bugfix 1/4] x86/xsave.c: Fix xstate offsets and sizes enumeration

From: Thomas Gleixner
Date: Tue Apr 21 2015 - 05:16:46 EST


On Sat, 18 Apr 2015, Fenghua Yu wrote:

> From: Fenghua Yu <fenghua.yu@xxxxxxxxx>
>
> When enumerating xstate offsets and sizes from cpuid (eax=0x0d, ecx>=2),
> it's possible that state m is not implemented while state n (n>m)
> is implemented. So enumeration shouldn't stop at state m.
>
> There is no platform configured like above yet. But this could be a problem
> in the future.

So this is for future hardware. Why are you claiming this is a BUGFIX?

This is a regular hardware enablement or are you saying that this is
backport material?

Confused.

tglx
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