diff options
| author | bde <bde@FreeBSD.org> | 1999-07-10 15:28:01 +0000 |
|---|---|---|
| committer | bde <bde@FreeBSD.org> | 1999-07-10 15:28:01 +0000 |
| commit | 76b661148982d686a345ce7e8af6b837139288a6 (patch) | |
| tree | 984225551b54fbef3e436d6ac171c797ff70ad9f /sys/amd64/include/cpu.h | |
| parent | 49a30aa645e3f361acf747fdefab3e56b508deec (diff) | |
| download | FreeBSD-src-76b661148982d686a345ce7e8af6b837139288a6.zip FreeBSD-src-76b661148982d686a345ce7e8af6b837139288a6.tar.gz | |
Go back to the old (icu.s rev.1.7 1993) way of keeping the AST-pending
bit separate from ipending, since this is simpler and/or necessary for
SMP and may even be better for UP.
Reviewed by: alc, luoqi, tegge
Diffstat (limited to 'sys/amd64/include/cpu.h')
| -rw-r--r-- | sys/amd64/include/cpu.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sys/amd64/include/cpu.h b/sys/amd64/include/cpu.h index 06f060d..d3e4ad4 100644 --- a/sys/amd64/include/cpu.h +++ b/sys/amd64/include/cpu.h @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)cpu.h 5.4 (Berkeley) 5/9/91 - * $Id: cpu.h,v 1.38 1999/02/02 09:08:23 bde Exp $ + * $Id: cpu.h,v 1.39 1999/04/23 20:22:44 dt Exp $ */ #ifndef _MACHINE_CPU_H_ @@ -69,11 +69,11 @@ * problem at 100 Hz but it is serious at 16000 Hz for pcaudio. softclock() * can take more than 62.5 usec so clock interrupts are lost.) It doesn't * check for pending interrupts being unmasked. clkintr() and Xintr0() - * assume that the ipl is high when hardclock() returns. Our SWI_AST + * assume that the ipl is high when hardclock() returns. Our SWI_CLOCK * handling is efficient enough that little is gained by calling * softclock() directly. */ -#define CLKF_BASEPRI(framep) (((framep)->cf_ppl & ~SWI_AST_MASK) == 0) +#define CLKF_BASEPRI(framep) ((framep)->cf_ppl == 0) #else #define CLKF_BASEPRI(framep) (0) #endif @@ -102,7 +102,7 @@ */ #define signotify(p) aston() -#define aston() setsoftast() +#define aston() do { astpending = 1; } while (0) #define astoff() /* @@ -125,6 +125,7 @@ } #ifdef KERNEL +extern int astpending; extern char btext[]; extern char etext[]; extern u_char intr_nesting_level; |
