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From: Kevin Brodsky <kevin.brodsky@arm.com>
To: Mark Rutland <mark.rutland@arm.com>, Kees Cook <kees@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Oliver Upton <oliver.upton@linux.dev>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Yue Haibing <yuehaibing@huawei.com>,
	Marc Zyngier <maz@kernel.org>, Mark Brown <broonie@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	Ryan Roberts <ryan.roberts@arm.com>,
	Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>,
	Joey Gouly <joey.gouly@arm.com>,
	Yeoreum Yun <yeoreum.yun@arm.com>,
	James Morse <james.morse@arm.com>,
	Hardevsinh Palaniya <hardevsinh.palaniya@siliconsignals.io>,
	Andrew Morton <akpm@linux-foundation.org>,
	David Hildenbrand <david@redhat.com>,
	Zhenhua Huang <quic_zhenhuah@quicinc.com>,
	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
	Dev Jain <dev.jain@arm.com>,
	Yicong Yang <yangyicong@hisilicon.com>,
	linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: Re: [PATCH] arm64: mm: Fix CFI failure due to kpti_ng_pgd_alloc function signature
Date: Mon, 1 Sep 2025 09:33:31 +0200	[thread overview]
Message-ID: <ca30a6f6-f636-4d6f-9ec6-d6e02ef70852@arm.com> (raw)
In-Reply-To: <aLHP-TG3a1Im3kpa@J2N7QTR9R3>

On 29/08/2025 18:06, Mark Rutland wrote:
> The actual fix looks fine, though I suspect we should move more of this
> logic into mmu.c.

Agreed, I'll look into that. Having two separate declarations in
cpufeature.c and mmu.c is ugly and leads to the kind of mistake that I made.

The fix looks perfectly fine FWIW - not adding my Reviewed-by as I saw
Catalin took v2 already :)

- Kevin

      parent reply	other threads:[~2025-09-01  7:33 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-29 15:49 Kees Cook
2025-08-29 15:59 ` Ard Biesheuvel
2025-08-29 16:06   ` Ryan Roberts
2025-08-29 16:06 ` Mark Rutland
2025-08-29 16:41   ` Kees Cook
2025-09-01  7:33   ` Kevin Brodsky [this message]

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