linux-kernel - Re: [PATCH v3 0/3] arm64: tlb: Fix TLBI RANGE operand

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Date: Fri, 12 Apr 2024 17:06:39 +0100
From: Will Deacon <will@...nel.org>
To: linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Gavin Shan <gshan@...hat.com>
Cc: catalin.marinas@....com,
	kernel-team@...roid.com,
	Will Deacon <will@...nel.org>,
	akpm@...ux-foundation.org,
	maz@...nel.org,
	oliver.upton@...ux.dev,
	ryan.roberts@....com,
	apopple@...dia.com,
	rananta@...gle.com,
	mark.rutland@....com,
	v-songbaohua@...o.com,
	yangyicong@...ilicon.com,
	shahuang@...hat.com,
	yihyu@...hat.com,
	shan.gavin@...il.com
Subject: Re: [PATCH v3 0/3] arm64: tlb: Fix TLBI RANGE operand

On Fri, 05 Apr 2024 13:58:49 +1000, Gavin Shan wrote:
> A kernel crash on the destination VM after the live migration was
> reported by Yihuang Yu. The issue is only reproducible on NVidia's
> grace-hopper where TLBI RANGE feature is available. The kernel crash
> is caused by incomplete TLB flush and missed dirty page. For the
> root cause and analysis, please refer to PATCH[v3 1/3]'s commit log.
> 
> Thanks to Marc Zyngier who proposed all the code changes.
> 
> [...]

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

[1/3] arm64: tlb: Fix TLBI RANGE operand
      (no commit info)
[2/3] arm64: tlb: Improve __TLBI_VADDR_RANGE()
      https://git.kernel.org/arm64/c/e07255d69702
[3/3] arm64: tlb: Allow range operation for MAX_TLBI_RANGE_PAGES
      https://git.kernel.org/arm64/c/73301e464a72

Cheers,
-- 
Will

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