(subset) [PATCH 0/2] Improve POE handling for uaccess

Catalin Marinas catalin.marinas at arm.com
Tue Jul 22 03:11:18 PDT 2025


On Thu, 19 Jun 2025 17:00:40 +0100, Kevin Brodsky wrote:
> This short series attempts to approach POE (Overlay) faults consistently
> w.r.t. uaccess. We currently assume that spurious Overlay faults are
> handled by retrying the access [1], but this isn't the case.
> 
> Patch 1 ensures that spurious Overlay faults are indeed ignored. This
> being done, it typically isn't worth using an ISB when writing to
> POR_EL0. Patch 2 removes the remaining ISB in the signal handling code.
> 
> [...]

Applied to arm64 (for-next/misc), thanks!

[2/2] arm64: signal: Remove ISB when resetting POR_EL0
      https://git.kernel.org/arm64/c/1a665a71ef0f

-- 
Catalin




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