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authorAndi Kleen <ak@suse.de>2006-04-07 19:49:42 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-09 11:53:51 -0700
commitd1530d82e02fd96d4634a6d6f6538c8b778c43af (patch)
treef825ae536b1ee15208b0917de54e42e528b59be6 /arch/x86_64/kernel
parentd3b6a349d233aecf2c52f7f4c150ca09f684f2d8 (diff)
[PATCH] x86_64: Clear APIC feature bit when local APIC is disabled
Needed for other checks later in ACPI. Pointed out by Len Brown Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel')
-rw-r--r--arch/x86_64/kernel/setup.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 0856ad444f9..c50b06765a8 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -353,8 +353,10 @@ static __init void parse_cmdline_early (char ** cmdline_p)
if (fullarg(from, "enable_timer_pin_1"))
disable_timer_pin_1 = -1;
- if (fullarg(from, "nolapic") || fullarg(from, "disableapic"))
+ if (fullarg(from, "nolapic") || fullarg(from, "disableapic")) {
+ clear_bit(X86_FEATURE_APIC, boot_cpu_data.x86_capability);
disable_apic = 1;
+ }
if (fullarg(from, "noapic"))
skip_ioapic_setup = 1;