x86: Exception hooks for userspace RCU extended QS
authorFrederic Weisbecker <fweisbec@gmail.com>
Wed, 11 Jul 2012 18:26:35 +0000 (20:26 +0200)
committerFrederic Weisbecker <fweisbec@gmail.com>
Wed, 26 Sep 2012 13:47:07 +0000 (15:47 +0200)
commit6ba3c97a38803883c2eee489505796cb0a727122
treeb6400bf2e10bf8d55b63eae35ddb93f3a9e9b270
parentef3f628872c838933a279d0d7e63e707783c9710
x86: Exception hooks for userspace RCU extended QS

Add necessary hooks to x86 exception for userspace
RCU extended quiescent state support.

This includes traps, page fault, debug exceptions, etc...

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Alessio Igor Bogani <abogani@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Avi Kivity <avi@redhat.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Geoff Levand <geoff@infradead.org>
Cc: Gilad Ben Yossef <gilad@benyossef.com>
Cc: Hakan Akkan <hakanakkan@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Max Krasnyansky <maxk@qualcomm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Sven-Thorsten Dietrich <thebigcorporation@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
arch/x86/include/asm/rcu.h [new file with mode: 0644]
arch/x86/kernel/traps.c
arch/x86/mm/fault.c