From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Sun, 1 Oct 2006 06:27:45 +0000 (-0700)
Subject: [PATCH] Directed yield: direct yield of spinlocks for s390.
X-Git-Tag: v2.6.19-rc1~597
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3c1fcfe229e99752c74efb945a4a3f560be04204;p=pandora-kernel.git

[PATCH] Directed yield: direct yield of spinlocks for s390.

Use the new diagnose 0x9c in the spinlock implementation for s390.  It
yields the remaining timeslice of the virtual cpu that tries to acquire a
lock to the virtual cpu that is the current holder of the lock.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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