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authorDon Zickus <dzickus@redhat.com>2006-09-26 10:52:27 +0200
committerAndi Kleen <andi@basil.nowhere.org>2006-09-26 10:52:27 +0200
commit2fbe7b25c8edaf2d10e6c1a4cc9f8afe714c4764 (patch)
treee4012ae3cd4519cba1836668237f077c60fb1086 /arch/i386/kernel/traps.c
parent957dc87c1bd849440f0eef27e2ade67387001e13 (diff)
downloadlinux-2fbe7b25c8edaf2d10e6c1a4cc9f8afe714c4764.tar.gz
[PATCH] i386/x86-64: Remove un/set_nmi_callback and reserve/release_lapic_nmi functions
Removes the un/set_nmi_callback and reserve/release_lapic_nmi functions as they are no longer needed. The various subsystems are modified to register with the die_notifier instead. Also includes compile fixes by Andrew Morton. Signed-off-by: Don Zickus <dzickus@redhat.com> Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'arch/i386/kernel/traps.c')
-rw-r--r--arch/i386/kernel/traps.c23
1 files changed, 2 insertions, 21 deletions
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 282f0bd40dfdf1..7db664d0b25c73 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -706,13 +706,6 @@ void die_nmi (struct pt_regs *regs, const char *msg)
do_exit(SIGSEGV);
}
-static int dummy_nmi_callback(struct pt_regs * regs, int cpu)
-{
- return 0;
-}
-
-static nmi_callback_t nmi_callback = dummy_nmi_callback;
-
static void default_do_nmi(struct pt_regs * regs)
{
unsigned char reason = 0;
@@ -732,9 +725,10 @@ static void default_do_nmi(struct pt_regs * regs)
*/
if (nmi_watchdog_tick(regs, reason))
return;
+ if (!do_nmi_callback(regs, smp_processor_id()))
#endif
- if (!rcu_dereference(nmi_callback)(regs, smp_processor_id()))
unknown_nmi_error(reason, regs);
+
return;
}
if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT) == NOTIFY_STOP)
@@ -765,19 +759,6 @@ fastcall void do_nmi(struct pt_regs * regs, long error_code)
nmi_exit();
}
-void set_nmi_callback(nmi_callback_t callback)
-{
- vmalloc_sync_all();
- rcu_assign_pointer(nmi_callback, callback);
-}
-EXPORT_SYMBOL_GPL(set_nmi_callback);
-
-void unset_nmi_callback(void)
-{
- nmi_callback = dummy_nmi_callback;
-}
-EXPORT_SYMBOL_GPL(unset_nmi_callback);
-
#ifdef CONFIG_KPROBES
fastcall void __kprobes do_int3(struct pt_regs *regs, long error_code)
{