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| author | kib <kib@FreeBSD.org> | 2015-02-16 21:56:19 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2015-02-16 21:56:19 +0000 |
| commit | 7a89c3df60c118e7db4f53fb2e76d3775e0d3097 (patch) | |
| tree | 163f584d88408adb3a7b1e627db29a6e013208c6 /sys/amd64/amd64/mp_machdep.c | |
| parent | 16f1b2f354a4bd6baf5198f2e5665062dd993c1f (diff) | |
| download | FreeBSD-src-7a89c3df60c118e7db4f53fb2e76d3775e0d3097.zip FreeBSD-src-7a89c3df60c118e7db4f53fb2e76d3775e0d3097.tar.gz | |
Initialize x2APIC mode on the resume path before accessing LAPIC.
Remove unneeded disable of LAPIC in the native_lapic_xapic_mode(). We
attempt to send wakeup IPI on the resume path right after BSP wakeup,
so disabling is wrong.
Reported and tested by: glebius, "Ranjan1018 ." <214748mv@gmail.com>
Sponsored by: The FreeBSD Foundation
MFC after: 2 months
Diffstat (limited to 'sys/amd64/amd64/mp_machdep.c')
| -rw-r--r-- | sys/amd64/amd64/mp_machdep.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/amd64/amd64/mp_machdep.c b/sys/amd64/amd64/mp_machdep.c index 13c3d43..b767691 100644 --- a/sys/amd64/amd64/mp_machdep.c +++ b/sys/amd64/amd64/mp_machdep.c @@ -1507,6 +1507,7 @@ cpususpend_handler(void) vmm_resume_p(); /* Resume MCA and local APIC */ + lapic_xapic_mode(); mca_resume(); lapic_setup(0); |
