Thread (2 messages) 2 messages, 2 authors, 2024-02-09

Re: [PATCH v2] arm64/signal: Don't assume that TIF_SVE means we saved SVE state

From: Will Deacon <will@kernel.org>
Date: 2024-02-09 18:31:19
Also in: lkml, stable

On Tue, 30 Jan 2024 15:43:53 +0000, Mark Brown wrote:
When we are in a syscall we will only save the FPSIMD subset even though
the task still has access to the full register set, and on context switch
we will only remove TIF_SVE when loading the register state. This means
that the signal handling code should not assume that TIF_SVE means that
the register state is stored in SVE format, it should instead check the
format that was recorded during save.

[...]
Applied to arm64 (for-next/fixes), thanks!

[1/1] arm64/signal: Don't assume that TIF_SVE means we saved SVE state
      https://git.kernel.org/arm64/c/61da7c8e2a60

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev

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