linux-kernel - Re: [PATCH 0/3] arm64: uapi: Provide correct __BITS_PER

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Message-Id: <175734490190.158300.1463560749148120421.b4-ty@kernel.org>
Date: Mon,  8 Sep 2025 16:55:32 +0100
From: Will Deacon <will@...nel.org>
To: Catalin Marinas <catalin.marinas@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Arnd Bergmann <arnd@...db.de>,
	Andy Lutomirski <luto@...nel.org>,
	Vincenzo Frascino <vincenzo.frascino@....com>,
	Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Cc: kernel-team@...roid.com,
	Will Deacon <will@...nel.org>,
	John Stultz <jstultz@...gle.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] arm64: uapi: Provide correct __BITS_PER_LONG for the compat vDSO

On Thu, 21 Aug 2025 09:56:43 +0200, Thomas Weißschuh wrote:
> The generic vDSO library uses the UAPI headers. On arm64 __BITS_PER_LONG is
> always '64' even when used from the compat vDSO. In that case __GENMASK()
> does an illegal bitshift, invoking undefined behaviour.
> 
> The first patch should go into the 6.17 tree.
> 
> 
> [...]

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

[2/3] arm64: vdso32: Stop suppressing warnings
      https://git.kernel.org/arm64/c/80c4e1948908
[3/3] arm64: vdso32: Respect -Werror from kbuild
      https://git.kernel.org/arm64/c/281817dffe28

Cheers,
-- 
Will

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