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authorCyrill Gorcunov <gorcunov@gmail.com>2008-08-15 13:51:23 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-15 13:51:23 +0200
commit296cb9511dcc3895fda84d0cd5b411bd926e4bb3 (patch)
treeb3d3d14289917e862c82748bb1f5ebeaf3a8ccb2 /arch/x86/kernel/apic_64.c
parentc93baa1ae51cdba25a5f5ad37b2348e700e75daf (diff)
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.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index ac399d0f65c0..41aff3460635 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);
}
/*