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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-07-09 03:25:48 +0200
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-07-09 03:25:48 +0200
commit5f07aa7524e98d6f68f2bec54f155ef6012e2c9a (patch)
tree393b2db3213e6618ad1338f9b66019b0c05c6f75 /arch/powerpc/kernel/machine_kexec_64.c
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rol... (diff)
parentpowerpc, hw_breakpoint: Tell generic code we have no instruction breakpoints (diff)
downloadlinux-5f07aa7524e98d6f68f2bec54f155ef6012e2c9a.tar.xz
linux-5f07aa7524e98d6f68f2bec54f155ef6012e2c9a.zip
Merge commit 'paulus-perf/master' into next
Diffstat (limited to 'arch/powerpc/kernel/machine_kexec_64.c')
-rw-r--r--arch/powerpc/kernel/machine_kexec_64.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
index ed31a29c4ff7..de6b70eac51d 100644
--- a/arch/powerpc/kernel/machine_kexec_64.c
+++ b/arch/powerpc/kernel/machine_kexec_64.c
@@ -25,6 +25,7 @@
#include <asm/sections.h> /* _end */
#include <asm/prom.h>
#include <asm/smp.h>
+#include <asm/hw_breakpoint.h>
int default_machine_kexec_prepare(struct kimage *image)
{
@@ -165,6 +166,7 @@ static void kexec_smp_down(void *arg)
while(kexec_all_irq_disabled == 0)
cpu_relax();
mb(); /* make sure all irqs are disabled before this */
+ hw_breakpoint_disable();
/*
* Now every CPU has IRQs off, we can clear out any pending
* IPIs and be sure that no more will come in after this.
@@ -180,6 +182,7 @@ static void kexec_prepare_cpus_wait(int wait_state)
{
int my_cpu, i, notified=-1;
+ hw_breakpoint_disable();
my_cpu = get_cpu();
/* Make sure each CPU has atleast made it to the state we need */
for_each_online_cpu(i) {