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| author | luoqi <luoqi@FreeBSD.org> | 2000-01-07 08:49:25 +0000 |
|---|---|---|
| committer | luoqi <luoqi@FreeBSD.org> | 2000-01-07 08:49:25 +0000 |
| commit | 35b4c17c7948fded5016e651c9f3b6292e720a09 (patch) | |
| tree | e1925c1031b9bc86cbff534a5b1a2955ab60de6d /sys/i386/include/mpapic.h | |
| parent | e100d44d5538cc21abeba58f459ce9eb497651a9 (diff) | |
| download | FreeBSD-src-35b4c17c7948fded5016e651c9f3b6292e720a09.zip FreeBSD-src-35b4c17c7948fded5016e651c9f3b6292e720a09.tar.gz | |
Allow SMP && NCPU == 1 to work. From now on, there's no restriction on the
value of NCPU relative to the number of cpus physically present, the actual
number of cpus utilized will be the smaller of the two.
Diffstat (limited to 'sys/i386/include/mpapic.h')
| -rw-r--r-- | sys/i386/include/mpapic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/i386/include/mpapic.h b/sys/i386/include/mpapic.h index a009936..4a38719 100644 --- a/sys/i386/include/mpapic.h +++ b/sys/i386/include/mpapic.h @@ -98,6 +98,8 @@ all_procs_ipi(int vector) static __inline int all_but_self_ipi(int vector) { + if (mp_ncpus <= 1) + return 0; return apic_ipi(APIC_DEST_ALLESELF, vector, APIC_DELMODE_FIXED); } |
