[PATCH] arm64: errata: Add Cortex-A55 to the repeat tlbi list

Catalin Marinas catalin.marinas at arm.com
Fri Oct 7 09:43:50 PDT 2022


On Fri, 30 Sep 2022 14:19:59 +0100, James Morse wrote:
> Cortex-A55 is affected by an erratum where in rare circumstances the
> CPUs may not handle a race between a break-before-make sequence on one
> CPU, and another CPU accessing the same page. This could allow a store
> to a page that has been unmapped.
> 
> Work around this by adding the affected CPUs to the list that needs
> TLB sequences to be done twice.
> 
> [...]

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

[1/1] arm64: errata: Add Cortex-A55 to the repeat tlbi list
      https://git.kernel.org/arm64/c/171df58028bf

-- 
Catalin




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