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update ZFS for backport of Intel AMX errata fix

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From the upstream commit [0] that this update pulls in:

> Intel SPR erratum SPR4 says that if you trip into a vmexit while
> doing FPU save/restore, your AMX register state might misbehave...
> and by misbehave, I mean save all zeroes incorrectly, leading to
> explosions if you restore it.
>
> Since we're not using AMX for anything, the simple way to avoid
> this is to just not save/restore those when we do anything, since
> we're killing preemption of any sort across our save/restores.
>
> If we ever decide to use AMX, it's not clear that we have any
> way to mitigate this, on Linux...but I am not an expert.

[0]: c65aaa8387

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht 2023-10-10 14:56:04 +02:00
parent 220839dc91
commit d53c5ae125
1 changed files with 1 additions and 1 deletions
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2
submodules/zfsonlinux

@ -1 +1 @@
Subproject commit aa261325251022820112c3b8e689ecd033f0e53e
Subproject commit 9e8946d4b952b01574f05a877098e7cb5c5ab7de