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authormux <mux@FreeBSD.org>2004-08-03 18:44:27 +0000
committermux <mux@FreeBSD.org>2004-08-03 18:44:27 +0000
commit35780dc21adda12f4e93177415556e6698e017e4 (patch)
treede3272d2386247caa65d7fbb3bf4c7418c6ebc1b /sys/alpha
parent81234cca4a890862a2410bb1de1a553a60c285a6 (diff)
downloadFreeBSD-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')
-rw-r--r--sys/alpha/include/cpu.h1
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);
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