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-rw-r--r--arch/x86/kernel/smpboot.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 7ece815ea63..7b109339731 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -893,9 +893,11 @@ do_rest:
smpboot_setup_warm_reset_vector(start_ip);
/*
* Be paranoid about clearing APIC errors.
- */
- apic_write(APIC_ESR, 0);
- apic_read(APIC_ESR);
+ */
+ if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
+ apic_write(APIC_ESR, 0);
+ apic_read(APIC_ESR);
+ }
}
/*