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authorH. Peter Anvin <hpa@zytor.com>2008-08-13 13:14:22 -0700
committerIngo Molnar <mingo@elte.hu>2008-08-14 00:13:52 +0200
commitc2dcfde8274883e1f6050784dcbd34b01e824b91 (patch)
treead63e2f52eea14c080379dc36d194adb985987ed /arch/x86/boot/main.c
parent875e40b97571e1f06d1184ad6cbb2acf9cb31a23 (diff)
x86: cleanup for setup code crashes during IST probe
Clean up the code for crashes during SpeedStep probing on older machines. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/boot/main.c')
-rw-r--r--arch/x86/boot/main.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c
index 01aa64b5575..197421db1af 100644
--- a/arch/x86/boot/main.c
+++ b/arch/x86/boot/main.c
@@ -73,7 +73,8 @@ static void keyboard_set_repeat(void)
*/
static void query_ist(void)
{
- /* Some 486 BIOSes apparently crash on this call */
+ /* Some older BIOSes apparently crash on this call, so filter
+ it from machines too old to have SpeedStep at all. */
if (cpu.level < 6)
return;