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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 08:59:11 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-07 08:59:11 -0800
commit4522d58275f124105819723e24e912c8e5bf3cdd (patch)
treeb92c29014fadffe049c1925676037f0092b8d112 /arch/x86_64/kernel/genapic.c
parent6cf24f031bc97cb5a7c9df3b6e73c45b628b2b28 (diff)
parent64a26a731235b59c9d73bbe82c1f896d57400d37 (diff)
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Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (156 commits) [PATCH] x86-64: Export smp_call_function_single [PATCH] i386: Clean up smp_tune_scheduling() [PATCH] unwinder: move .eh_frame to RODATA [PATCH] unwinder: fully support linker generated .eh_frame_hdr section [PATCH] x86-64: don't use set_irq_regs() [PATCH] x86-64: check vector in setup_ioapic_dest to verify if need setup_IO_APIC_irq [PATCH] x86-64: Make ix86 default to HIGHMEM4G instead of NOHIGHMEM [PATCH] i386: replace kmalloc+memset with kzalloc [PATCH] x86-64: remove remaining pc98 code [PATCH] x86-64: remove unused variable [PATCH] x86-64: Fix constraints in atomic_add_return() [PATCH] x86-64: fix asm constraints in i386 atomic_add_return [PATCH] x86-64: Correct documentation for bzImage protocol v2.05 [PATCH] x86-64: replace kmalloc+memset with kzalloc in MTRR code [PATCH] x86-64: Fix numaq build error [PATCH] x86-64: include/asm-x86_64/cpufeature.h isn't a userspace header [PATCH] unwinder: Add debugging output to the Dwarf2 unwinder [PATCH] x86-64: Clarify error message in GART code [PATCH] x86-64: Fix interrupt race in idle callback (3rd try) [PATCH] x86-64: Remove unwind stack pointer alignment forcing again ... Fixed conflict in include/linux/uaccess.h manually Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/genapic.c')
-rw-r--r--arch/x86_64/kernel/genapic.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/genapic.c b/arch/x86_64/kernel/genapic.c
index 8e78a75..b007433 100644
--- a/arch/x86_64/kernel/genapic.c
+++ b/arch/x86_64/kernel/genapic.c
@@ -33,7 +33,7 @@ extern struct genapic apic_flat;
extern struct genapic apic_physflat;
struct genapic *genapic = &apic_flat;
-
+struct genapic *genapic_force;
/*
* Check the APIC IDs in bios_cpu_apicid and choose the APIC mode.
@@ -46,6 +46,13 @@ void __init clustered_apic_check(void)
u8 cluster_cnt[NUM_APIC_CLUSTERS];
int max_apic = 0;
+ /* genapic selection can be forced because of certain quirks.
+ */
+ if (genapic_force) {
+ genapic = genapic_force;
+ goto print;
+ }
+
#if defined(CONFIG_ACPI)
/*
* Some x86_64 machines use physical APIC mode regardless of how many