From: Ingo Molnar <mingo@elte.hu>
To: linux-kernel@vger.kernel.org, Linus Torvalds <torvalds@osdl.org>,
Andrew Morton <akpm@osdl.org>
Cc: Arjan van de Ven <arjanv@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Christoph Hellwig <hch@infradead.org>, Andi Kleen <ak@suse.de>,
David Howells <dhowells@redhat.com>,
Alexander Viro <viro@parcelfarce.linux.theplanet.co.uk>,
Oleg Nesterov <oleg@tv-sign.ru>, Paul Jackson <pj@sgi.com>
Subject: [patch 02/15] Generic Mutex Subsystem, add-atomic-xchg-x86_64.patch
Date: Mon, 19 Dec 2005 02:34:42 +0100 [thread overview]
Message-ID: <20051219013442.GC27658@elte.hu> (raw)
add atomic_cmpxchg() to x86_64. Needed by the new mutex code.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
----
include/asm-x86_64/atomic.h | 1 +
1 files changed, 1 insertion(+)
Index: linux/include/asm-x86_64/atomic.h
===================================================================
--- linux.orig/include/asm-x86_64/atomic.h
+++ linux/include/asm-x86_64/atomic.h
@@ -389,6 +389,7 @@ static __inline__ long atomic64_sub_retu
#define atomic64_dec_return(v) (atomic64_sub_return(1,v))
#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
/**
* atomic_add_unless - add unless the number is a given value
reply other threads:[~2005-12-19 1:35 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20051219013442.GC27658@elte.hu \
--to=mingo@elte.hu \
--cc=ak@suse.de \
--cc=akpm@osdl.org \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=arjanv@infradead.org \
--cc=dhowells@redhat.com \
--cc=hch@infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=oleg@tv-sign.ru \
--cc=pj@sgi.com \
--cc=rostedt@goodmis.org \
--cc=torvalds@osdl.org \
--cc=viro@parcelfarce.linux.theplanet.co.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox