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From: Kees Cook <kees@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>,
	Philipp Reisner <philipp.reisner@linbit.com>
Cc: Kees Cook <kees@kernel.org>,
	Luc Van Oostenryck <luc.vanoostenryck@gmail.com>,
	linux-sparse@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] compiler.h: Fix undefined BUILD_BUG_ON_ZERO()
Date: Sat, 16 Nov 2024 21:26:33 -0800	[thread overview]
Message-ID: <173182119158.650820.5112435274770871325.b4-ty@kernel.org> (raw)
In-Reply-To: <20241115204602.249590-1-philipp.reisner@linbit.com>

On Fri, 15 Nov 2024 21:46:02 +0100, Philipp Reisner wrote:
> <linux/compiler.h> defines __must_be_array() and __must_be_cstr() and
> both expand to BUILD_BUG_ON_ZERO(), but <linux/build_bug.h> defines
> BUILD_BUG_ON_ZERO(). Including <linux/build_bug.h> in
> <linux/compiler.h> would create a cyclic dependency as
> <linux/build_bug.h> already includes <linux/compiler.h>.
> 
> Fix that by defining __BUILD_BUG_ON_ZERO_MSG() in <linux/compiler.h>
> and using that for __must_be_array() and __must_be_cstr().
> 
> [...]

Applied to for-next/hardening, thanks!

[1/1] compiler.h: Fix undefined BUILD_BUG_ON_ZERO()
      https://git.kernel.org/kees/c/d7a516c6eeae

Take care,

-- 
Kees Cook


      parent reply	other threads:[~2024-11-17  5:26 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-14 10:14 [PATCH 0/1] Add missing include in compiler.h Philipp Reisner
2024-11-14 10:14 ` [PATCH 1/1] compiler.h: Add missing include statement for build_bug.h Philipp Reisner
2024-11-14 10:40   ` Dan Carpenter
2024-11-14 11:01     ` Philipp Reisner
2024-11-14 11:05       ` Dan Carpenter
2024-11-14 17:42   ` Linus Torvalds
2024-11-14 18:28     ` Linus Torvalds
2024-11-14 18:40       ` Linus Torvalds
2024-11-15 20:46         ` [PATCH] compiler.h: Fix undefined BUILD_BUG_ON_ZERO() Philipp Reisner
2024-11-15 20:48           ` Kees Cook
2024-11-15 21:58             ` Linus Torvalds
2024-11-15 21:57           ` Linus Torvalds
2024-11-17  5:26           ` Kees Cook [this message]

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