aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAndi Kleen <ak@suse.de>2006-02-16 23:42:07 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-17 08:00:40 -0800
commit7fd67843b96f90f59c9a244a1bc25137978a3ff9 (patch)
tree600a7951745cc67f36075e5d60c30bd5ea842112
parentab68805955ee3dd84a6aa76cd70e61fde996968d (diff)
[PATCH] x86_64: Disable tsc when apicpmtimer is active
Otherwise it has no effect anyways. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--arch/x86_64/kernel/apic.c1
-rw-r--r--arch/x86_64/kernel/time.c3
-rw-r--r--include/asm-x86_64/proto.h1
3 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index 7a0a3e8d5d7..e5b14c57eaa 100644
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -1152,6 +1152,7 @@ __setup("noapicmaintimer", setup_noapicmaintimer);
static __init int setup_apicpmtimer(char *s)
{
apic_calibrate_pmtmr = 1;
+ notsc_setup(NULL);
return setup_apicmaintimer(NULL);
}
__setup("apicpmtimer", setup_apicpmtimer);
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 3c58c30506a..67841d11ed1 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -1327,8 +1327,7 @@ static int __init nohpet_setup(char *s)
__setup("nohpet", nohpet_setup);
-
-static int __init notsc_setup(char *s)
+int __init notsc_setup(char *s)
{
notsc = 1;
return 0;
diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h
index c99832e7bf3..eca3f2d633d 100644
--- a/include/asm-x86_64/proto.h
+++ b/include/asm-x86_64/proto.h
@@ -133,6 +133,7 @@ extern int fix_aperture;
extern int force_iommu;
extern int reboot_force;
+extern int notsc_setup(char *);
extern void smp_local_timer_interrupt(struct pt_regs * regs);