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| author | Cyrill Gorcunov <gorcunov@gmail.com> | 2008-08-15 13:51:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-15 13:51:23 +0200 |
| commit | 296cb9511dcc3895fda84d0cd5b411bd926e4bb3 (patch) | |
| tree | b3d3d14289917e862c82748bb1f5ebeaf3a8ccb2 /arch/x86/kernel/apic_64.c | |
| parent | c93baa1ae51cdba25a5f5ad37b2348e700e75daf (diff) | |
| download | op-kernel-dev-296cb9511dcc3895fda84d0cd5b411bd926e4bb3.zip op-kernel-dev-296cb9511dcc3895fda84d0cd5b411bd926e4bb3.tar.gz | |
x86: apic - unify sync_Arb_IDs
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/apic_64.c')
| -rw-r--r-- | arch/x86/kernel/apic_64.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index ac399d0..41aff34 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -742,8 +742,11 @@ int __init verify_local_APIC(void) */ void __init sync_Arb_IDs(void) { - /* Unsupported on P4 - see Intel Dev. Manual Vol. 3, Ch. 8.6.1 */ - if (modern_apic()) + /* + * Unsupported on P4 - see Intel Dev. Manual Vol. 3, Ch. 8.6.1 And not + * needed on AMD. + */ + if (modern_apic() || boot_cpu_data.x86_vendor == X86_VENDOR_AMD) return; /* @@ -752,8 +755,7 @@ void __init sync_Arb_IDs(void) apic_wait_icr_idle(); apic_printk(APIC_DEBUG, "Synchronizing Arb IDs.\n"); - apic_write(APIC_ICR, APIC_DEST_ALLINC | APIC_INT_LEVELTRIG - | APIC_DM_INIT); + apic_write(APIC_ICR, APIC_DEST_ALLINC | APIC_INT_LEVELTRIG | APIC_DM_INIT); } /* |
