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| author | ups <ups@FreeBSD.org> | 2005-06-09 18:23:54 +0000 |
|---|---|---|
| committer | ups <ups@FreeBSD.org> | 2005-06-09 18:23:54 +0000 |
| commit | ebc4f240c3a921a47aa18e1e1274a68e4697af00 (patch) | |
| tree | ce9f58fc2524d1af376958ef3e6a1f72303e4660 /sys/i386/include | |
| parent | 63b2db1458e0a9eb49fde35378e2f3720ea41fa7 (diff) | |
| download | FreeBSD-src-ebc4f240c3a921a47aa18e1e1274a68e4697af00.zip FreeBSD-src-ebc4f240c3a921a47aa18e1e1274a68e4697af00.tar.gz | |
Add IPI support for preempting a thread on another CPU.
MFC after: 3 weeks
Diffstat (limited to 'sys/i386/include')
| -rw-r--r-- | sys/i386/include/apicvar.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/i386/include/apicvar.h b/sys/i386/include/apicvar.h index 1beb025..2c1fdf1 100644 --- a/sys/i386/include/apicvar.h +++ b/sys/i386/include/apicvar.h @@ -122,7 +122,8 @@ /* IPIs handled by IPI_BITMAPED_VECTOR (XXX ups is there a better place?) */ #define IPI_AST 0 /* Generate software trap. */ -#define IPI_BITMAP_LAST IPI_AST +#define IPI_PREEMPT 1 +#define IPI_BITMAP_LAST IPI_PREEMPT #define IPI_IS_BITMAPED(x) ((x) <= IPI_BITMAP_LAST) #define IPI_STOP (APIC_IPI_INTS + 6) /* Stop CPU until restarted. */ |
