[PATCH v3 0/5] Improve arm64 pkeys handling in signal delivery

[Will Deacon]

On Tue, 29 Oct 2024 14:45:34 +0000, Kevin Brodsky wrote:
> This series is a follow-up to Joey's Permission Overlay Extension (POE)
> series [1] that recently landed on mainline. The goal is to improve the
> way we handle the register that governs which pkeys/POIndex are
> accessible (POR_EL0) during signal delivery. As things stand, we may
> unexpectedly fail to write the signal frame on the stack because POR_EL0
> is not reset before the uaccess operations. See patch 1 for more details
> and the main changes this series brings.
> 
> [...]

Applied first patch to arm64 (for-next/fixes), thanks!

[1/5] arm64: signal: Improve POR_EL0 handling to avoid uaccess failures
      https://git.kernel.org/arm64/c/2e8a1acea859

Cheers,
-- 
Will

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