diff options
| author | Andi Kleen <ak@suse.de> | 2005-09-12 12:49:23 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-12 13:49:55 -0400 |
| commit | eddfb4ed290383abf912630fa8dac5acf65c9e55 (patch) | |
| tree | f13e544e4105facfb9d40d9ee86fb0d10ba29d04 /arch/x86_64/kernel/genapic_cluster.c | |
| parent | c1507eb2ee845b123ace751bec9c992a1937872c (diff) | |
[PATCH] x86-64: Remove obsolete APIC "write around" bug workaround
No x86-64 chipset has this bug
Generated code doesn't change because it was always disabled.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/genapic_cluster.c')
| -rw-r--r-- | arch/x86_64/kernel/genapic_cluster.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86_64/kernel/genapic_cluster.c b/arch/x86_64/kernel/genapic_cluster.c index f6523dd1bc09..a472d62f899a 100644 --- a/arch/x86_64/kernel/genapic_cluster.c +++ b/arch/x86_64/kernel/genapic_cluster.c | |||
| @@ -51,10 +51,10 @@ static void cluster_init_apic_ldr(void) | |||
| 51 | count = 3; | 51 | count = 3; |
| 52 | id = my_cluster | (1UL << count); | 52 | id = my_cluster | (1UL << count); |
| 53 | x86_cpu_to_log_apicid[smp_processor_id()] = id; | 53 | x86_cpu_to_log_apicid[smp_processor_id()] = id; |
| 54 | apic_write_around(APIC_DFR, APIC_DFR_CLUSTER); | 54 | apic_write(APIC_DFR, APIC_DFR_CLUSTER); |
| 55 | val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; | 55 | val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; |
| 56 | val |= SET_APIC_LOGICAL_ID(id); | 56 | val |= SET_APIC_LOGICAL_ID(id); |
| 57 | apic_write_around(APIC_LDR, val); | 57 | apic_write(APIC_LDR, val); |
| 58 | } | 58 | } |
| 59 | 59 | ||
| 60 | /* Start with all IRQs pointing to boot CPU. IRQ balancing will shift them. */ | 60 | /* Start with all IRQs pointing to boot CPU. IRQ balancing will shift them. */ |