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authorFrederic Weisbecker <fweisbec@gmail.com>2013-02-24 00:23:25 +0100
committerFrederic Weisbecker <fweisbec@gmail.com>2013-03-07 17:09:25 +0100
commit56dd9470d7c8734f055da2a6bac553caf4a468eb (patch)
tree5a7dc1ee23be1e15171c301516d20db90eee9435 /arch/x86/kernel
parent6dbe51c251a327e012439c4772097a13df43c5b8 (diff)
downloadblackbird-op-linux-56dd9470d7c8734f055da2a6bac553caf4a468eb.tar.gz
blackbird-op-linux-56dd9470d7c8734f055da2a6bac553caf4a468eb.zip
context_tracking: Move exception handling to generic code
Exceptions handling on context tracking should share common treatment: on entry we exit user mode if the exception triggered in that context. Then on exception exit we return to that previous context. Generalize this to avoid duplication across archs. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Li Zhong <zhong@linux.vnet.ibm.com> Cc: Kevin Hilman <khilman@linaro.org> Cc: Mats Liljegren <mats.liljegren@enea.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/kvm.c2
-rw-r--r--arch/x86/kernel/traps.c3
2 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index b686a904d7c3..e8bb0d61ecdc 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -20,6 +20,7 @@
* Authors: Anthony Liguori <aliguori@us.ibm.com>
*/
+#include <linux/context_tracking.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/kvm_para.h>
@@ -43,7 +44,6 @@
#include <asm/apicdef.h>
#include <asm/hypervisor.h>
#include <asm/kvm_guest.h>
-#include <asm/context_tracking.h>
static int kvmapf = 1;
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 68bda7a84159..ecc4ccbdd0cf 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -12,6 +12,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#include <linux/context_tracking.h>
#include <linux/interrupt.h>
#include <linux/kallsyms.h>
#include <linux/spinlock.h>
@@ -55,8 +56,6 @@
#include <asm/i387.h>
#include <asm/fpu-internal.h>
#include <asm/mce.h>
-#include <asm/context_tracking.h>
-
#include <asm/mach_traps.h>
#ifdef CONFIG_X86_64
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