Re: [PATCH 0/5] arm64: some 52-bit cleanups

On Wed, 10 Mar 2021 18:15:10 +0100, Ard Biesheuvel wrote:

This work was triggered by Mark Salter's report about a regression
regarding the programmed size of the ID map page tables.

The first patch switches the early ID map population code to default to
a 48-bit range on kernels built with 52-bit VA support, and only switch
to 52-bit if the placement of the kernel requires it. This should address
the regressions reported by Mark. This patch should be suitable for being
backported to -stable.

[...]

Applied the first two patches to arm64 (for-next/fixes), thanks!

[1/5] arm64: mm: use a 48-bit ID map when possible on 52-bit VA builds
      https://git.kernel.org/arm64/c/7ba8f2b2d652
[2/5] arm64: mm: remove unused __cpu_uses_extended_idmap[_level()]
      https://git.kernel.org/arm64/c/30b2675761b8

Cheers,
-- 
Will

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

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