Re: [PATCH v2] x86/fpu: Disable BH while while loading FPU registers in __fpu__restore_sig()

From: Borislav Petkov
Date: Tue Nov 20 2018 - 13:34:54 EST


On Tue, Nov 20, 2018 at 01:25:30PM +0000, Sasha Levin wrote:
> Hi,
>
> [This is an automated email]
>
> This commit has been processed because it contains a -stable tag.
> The stable tag indicates that it's relevant for the following trees: all
>
> The bot has tested the following trees: v4.19.2, v4.18.19, v4.14.81, v4.9.137, v4.4.163, v3.18.125.
>
> v4.19.2: Build OK!
> v4.18.19: Build OK!
> v4.14.81: Build OK!
> v4.9.137: Failed to apply! Possible dependencies:
> Unable to calculate

AFAIR, Victoria asked about this fix a while ago. CCed.

Victoria, do you still need this patch in your 4.9? If so, you might
wanna give it a try:

https://git.kernel.org/tip/68239654acafe6aad5a3c1dc7237e60accfebc03

Let us know if you need help backporting - it should be easy though.

HTH.

--
Regards/Gruss,
Boris.

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