[PATCH RFC 12/13] mca: disable cmc enable on Xen PV
Roger Pau Monne
roger.pau at citrix.com
Tue Dec 24 11:25:27 UTC 2013
Xen PV guests doesn't have a lapic, so disable the lapic call in mca
initialization.
---
sys/x86/x86/mca.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/sys/x86/x86/mca.c b/sys/x86/x86/mca.c
index f1369cd..e9d2c1d 100644
--- a/sys/x86/x86/mca.c
+++ b/sys/x86/x86/mca.c
@@ -897,7 +897,7 @@ _mca_init(int boot)
}
#ifdef DEV_APIC
- if (PCPU_GET(cmci_mask) != 0 && boot)
+ if (PCPU_GET(cmci_mask) != 0 && boot && !lapic_disabled)
lapic_enable_cmc();
#endif
}
--
1.7.7.5 (Apple Git-26)
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