]> git.baikalelectronics.ru Git - kernel.git/commit
locking/pvqspinlock, x86: Enable PV qspinlock for Xen
authorDavid Vrabel <david.vrabel@citrix.com>
Fri, 24 Apr 2015 18:56:40 +0000 (14:56 -0400)
committerIngo Molnar <mingo@kernel.org>
Fri, 8 May 2015 10:37:18 +0000 (12:37 +0200)
commit1e014bb1494b89405c8a9923ef3fbc8a5c4f32bc
treeb02e18f56aece0639cec468ad9439944a9319d6b
parent0ee8bfd0ee9e21ffa28a8f8e60d69c3eef869acf
locking/pvqspinlock, x86: Enable PV qspinlock for Xen

This patch adds the necessary Xen specific code to allow Xen to
support the CPU halting and kicking operations needed by the queue
spinlock PV code.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Waiman Long <Waiman.Long@hp.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Daniel J Blueman <daniel@numascale.com>
Cc: Douglas Hatch <doug.hatch@hp.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Paolo Bonzini <paolo.bonzini@gmail.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Scott J Norton <scott.norton@hp.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: virtualization@lists.linux-foundation.org
Cc: xen-devel@lists.xenproject.org
Link: http://lkml.kernel.org/r/1429901803-29771-12-git-send-email-Waiman.Long@hp.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/xen/spinlock.c
kernel/Kconfig.locks