linux-kernel - Re: [PATCH 1/2] tools/nolibc: Provide vfork()

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Message-ID: <96c9c762-a99a-48e7-ae80-f85e5d7fffa4@sirena.org.uk>
Date: Mon, 9 Jun 2025 17:16:21 +0100
From: Mark Brown <broonie@...nel.org>
To: Thomas Weißschuh <linux@...ssschuh.net>
Cc: Willy Tarreau <w@....eu>, Christian Brauner <brauner@...nel.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>, Shuah Khan <shuah@...nel.org>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kselftest@...r.kernel.org
Subject: Re: [PATCH 1/2] tools/nolibc: Provide vfork()

On Mon, Jun 09, 2025 at 05:51:19PM +0200, Thomas Weißschuh wrote:
> On 2025-06-09 16:43:55+0100, Mark Brown wrote:
> > On Mon, Jun 09, 2025 at 05:34:33PM +0200, Thomas Weißschuh wrote:

> > > For consistency:
> > > #if defined(__NR_vfork)

> > Are you sure?  I'm seeing an awful lot of #ifdef __NR_foo instances in
> > sys.h - it looks like the idiom is to use that unless it either needs an
> > additional condition (with || or &&) or is an elif.

> In sys.h, indeed. These have mostly grown historically, newer ones use
> #if defined() together with #elif defined().

There aren't actually any of the newer ones in sys.h!  I guess I'll add
a patch doing the style change...

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