[PATCH 0/2] arm64: Taint the kernel on different GMID_EL1.BS

Will Deacon will at kernel.org
Tue May 25 11:58:46 PDT 2021


On Tue, 11 May 2021 19:23:20 +0100, Catalin Marinas wrote:
> The GMID_EL1.BS field determines the number of tags accessed by
> STGM/LDGM. While I haven't heard of a system where this field differs
> across CPUs in a system, it's better to check.
> 
> In addition, "upgrade" the sysreg storage in struct cpuinfo_arm64 to
> u64.
> 
> [...]

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

[1/2] arm64: Change the cpuinfo_arm64 member type for some sysregs to u64
      https://git.kernel.org/arm64/c/0f7b586f8fe7
[2/2] arm64: Check if GMID_EL1.BS is the same on all CPUs
      https://git.kernel.org/arm64/c/71b7566d3fd6

Cheers,
-- 
Will

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



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