From: Catalin Marinas <catalin.marinas@arm.com>
To: "Will Deacon" <will@kernel.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Arnd Bergmann" <arnd@arndb.de>,
"Andy Lutomirski" <luto@kernel.org>,
"Vincenzo Frascino" <vincenzo.frascino@arm.com>,
"Thomas Weißschuh" <thomas.weissschuh@linutronix.de>
Cc: John Stultz <jstultz@google.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: (subset) [PATCH 0/3] arm64: uapi: Provide correct __BITS_PER_LONG for the compat vDSO
Date: Wed, 3 Sep 2025 12:21:22 +0100 [thread overview]
Message-ID: <175689848208.2711243.6145487727322080491.b4-ty@arm.com> (raw)
In-Reply-To: <20250821-vdso-arm64-compat-bitsperlong-v1-0-700bcabe7732@linutronix.de>
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/fixes), thanks! And sorry for the delay,
missed it due to holidays.
[1/3] arm64: uapi: Provide correct __BITS_PER_LONG for the compat vDSO
https://git.kernel.org/arm64/c/9a6d3ff10f7f
I'll leave the other two patches to Will for the upcoming merging
window.
--
Catalin
next prev parent reply other threads:[~2025-09-03 11:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-21 7:56 Thomas Weißschuh
2025-08-21 7:56 ` [PATCH 1/3] " Thomas Weißschuh
2025-08-21 17:09 ` John Stultz
2025-08-21 17:33 ` Arnd Bergmann
2025-08-21 7:56 ` [PATCH 2/3] arm64: vdso32: Stop suppressing warnings Thomas Weißschuh
2025-08-21 7:56 ` [PATCH 3/3] arm64: vdso32: Respect -Werror from kbuild Thomas Weißschuh
2025-09-03 10:49 ` [PATCH 0/3] arm64: uapi: Provide correct __BITS_PER_LONG for the compat vDSO Thomas Weißschuh
2025-09-03 11:21 ` Catalin Marinas [this message]
2025-09-08 15:55 ` Will Deacon
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