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authorGlauber Costa <gcosta@redhat.com>2008-06-24 09:34:08 -0300
committerIngo Molnar <mingo@elte.hu>2008-07-09 08:51:41 +0200
commit0a4d8a472f645d99f86303db1462b64e371b090d (patch)
treedd6b4b3d4a5cb415b06e8e1625ea811a9012119d /arch/x86/kernel
parentff1b15b646177c6cc465ac2dd0be6ae16e965654 (diff)
x86: provide delay loop for x86_64.
This is for consistency with i386. We call use_tsc_delay() at tsc initialization for x86_64, so we'll be always using it. Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/tsc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 3c36f92160c..4a775d00195 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -513,6 +513,7 @@ void __init tsc_init(void)
*/
for_each_possible_cpu(cpu)
set_cyc2ns_scale(cpu_khz, cpu);
+ use_tsc_delay();
if (tsc_disabled > 0)
return;