From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] Use definition for cmpxchg swi
Date: Mon, 9 Nov 2009 08:51:37 +0000 [thread overview]
Message-ID: <20091109085137.GA14453@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <alpine.LFD.2.00.0911082033580.16711@xanadu.home>
On Sun, Nov 08, 2009 at 08:42:51PM -0500, Nicolas Pitre wrote:
> On Sun, 8 Nov 2009, Russell King - ARM Linux wrote:
>
> > Use a definition for the cmpxchg SWI instead of hard-coding the number.
>
> Well... Initially I didn't use a definition in unistd.h because I
> didn't want user space to "see" it and assume this was part of the
> kernel ABI since this is actually just an implementation detail that
> depends on a particular kernel configuration.
The ifdef __KERNEL__ is sufficient for that - kernel headers are now
stripped of code within these defines during 'make installheaders'.
next prev parent reply other threads:[~2009-11-09 8:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-08 20:04 [PATCH] Use definition for cmpxchg swi Russell King - ARM Linux
2009-11-09 1:42 ` Nicolas Pitre
2009-11-09 8:51 ` Russell King - ARM Linux [this message]
2009-11-09 14:56 ` Nicolas Pitre
2009-11-09 17:30 ` Russell King - ARM Linux
2009-11-09 19:08 ` Jamie Lokier
2009-11-09 19:14 ` Russell King - ARM Linux
2009-11-09 19:31 ` Nicolas Pitre
2009-11-09 23:52 ` Russell King - ARM Linux
2009-11-09 23:58 ` Nicolas Pitre
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