From: gilles.chanteperdrix@xenomai.org (Gilles Chanteperdrix)
To: linux-arm-kernel@lists.infradead.org
Subject: GCC built-in atomic operations and memory barriers
Date: Wed, 04 Nov 2009 23:09:40 +0100 [thread overview]
Message-ID: <4AF1FBA4.4070307@xenomai.org> (raw)
In-Reply-To: <20091104190544.GA518@n2100.arm.linux.org.uk>
Russell King - ARM Linux wrote:
> The kernel API is the syscall interface and associated data structures.
> It does not include everything you can find in kernel headers.
Are the functions found in the vectors page part of the kernel API?
Because if that is so, then they provide a way to implement cmpxchg and
barriers in user-space.
--
Gilles.
next prev parent reply other threads:[~2009-11-04 22:09 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-04 18:09 GCC built-in atomic operations and memory barriers Toby Douglass
2009-11-04 19:05 ` Russell King - ARM Linux
2009-11-04 20:12 ` Toby Douglass
2009-11-04 21:03 ` Russell King - ARM Linux
2009-11-06 19:10 ` Toby Douglass
2009-11-04 22:09 ` Gilles Chanteperdrix [this message]
2009-11-06 19:17 ` Toby Douglass
2009-11-21 15:21 ` CAS implementation may be broken Toby Douglass
2009-11-23 15:08 ` Russell King - ARM Linux
2009-11-23 19:10 ` Toby Douglass
2009-11-23 20:06 ` Russell King - ARM Linux
2009-11-23 20:34 ` Toby Douglass
2009-11-23 15:13 ` Catalin Marinas
2009-11-24 15:15 ` Toby Douglass
2009-11-24 15:36 ` Russell King - ARM Linux
2009-11-24 16:20 ` Toby Douglass
2009-11-24 16:27 ` Catalin Marinas
2009-11-24 17:14 ` Toby Douglass
2009-11-25 1:24 ` Jamie Lokier
2009-11-26 16:14 ` Toby Douglass
2009-11-27 1:37 ` Jamie Lokier
2009-11-24 15:33 ` Toby Douglass
2009-11-23 15:34 ` Catalin Marinas
2009-11-23 16:40 ` Toby Douglass
2009-11-23 22:28 ` Jamie Lokier
2009-11-23 23:13 ` Russell King - ARM Linux
2009-11-24 1:32 ` Jamie Lokier
2009-11-24 11:19 ` Catalin Marinas
2009-11-24 22:24 ` Toby Douglass
2009-11-25 11:11 ` Catalin Marinas
2009-11-25 18:57 ` Toby Douglass
2009-11-24 22:34 ` Toby Douglass
2009-11-24 22:56 ` Russell King - ARM Linux
2009-11-25 0:34 ` Toby Douglass
2009-11-24 9:38 ` Toby Douglass
2009-11-24 15:59 ` Catalin Marinas
2009-11-24 16:34 ` Toby Douglass
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