[PATCH] arm64: Add AMPERE1 to the Spectre-BHB affected list

Catalin Marinas catalin.marinas at arm.com
Wed Oct 12 09:36:59 PDT 2022


On Mon, 10 Oct 2022 19:21:40 -0700, D Scott Phillips wrote:
> Per AmpereOne erratum AC03_CPU_12, "Branch history may allow control of
> speculative execution across software contexts," the AMPERE1 core needs the
> bhb clearing loop to mitigate Spectre-BHB, with a loop iteration count of
> 11.
> 
> 

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

[1/1] arm64: Add AMPERE1 to the Spectre-BHB affected list
      https://git.kernel.org/arm64/c/0e5d5ae837c8

-- 
Catalin




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