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author | mux <mux@FreeBSD.org> | 2004-08-03 18:44:27 +0000 |
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committer | mux <mux@FreeBSD.org> | 2004-08-03 18:44:27 +0000 |
commit | 35780dc21adda12f4e93177415556e6698e017e4 (patch) | |
tree | de3272d2386247caa65d7fbb3bf4c7418c6ebc1b /sys/alpha/include | |
parent | 81234cca4a890862a2410bb1de1a553a60c285a6 (diff) | |
download | FreeBSD-src-35780dc21adda12f4e93177415556e6698e017e4.zip FreeBSD-src-35780dc21adda12f4e93177415556e6698e017e4.tar.gz |
Instead of calling ia32_pause() conditionally on __i386__ or __amd64__
being defined, define and use a new MD macro, cpu_spinwait(). It only
expands to something on i386 and amd64, so the compiled code should be
identical.
Name of the macro found by: jhb
Reviewed by: jhb
Diffstat (limited to 'sys/alpha/include')
-rw-r--r-- | sys/alpha/include/cpu.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/alpha/include/cpu.h b/sys/alpha/include/cpu.h index 9db2b9a..64dc773b2 100644 --- a/sys/alpha/include/cpu.h +++ b/sys/alpha/include/cpu.h @@ -93,6 +93,7 @@ struct clockframe { #ifdef _KERNEL #define cpu_getstack(td) (alpha_pal_rdusp()) +#define cpu_spinwait() /* nothing */ #define get_cyclecount alpha_rpcc void cpu_halt(void); |