diff options
author | Miod Vallat <miod@cvs.openbsd.org> | 2007-09-09 11:57:56 +0000 |
---|---|---|
committer | Miod Vallat <miod@cvs.openbsd.org> | 2007-09-09 11:57:56 +0000 |
commit | 63ebb0bb225b6a1b478a8dc4ed48132be16a3413 (patch) | |
tree | d9e9275c7664f6c3adfcf88cf65f5cb68073eb7b /sys/arch | |
parent | a653e8e066a00993759e51594521e4b097394c9d (diff) |
Disable page zeroing in the idle loop, as it blasts the entire cache.
Spotted by kettenis
Diffstat (limited to 'sys/arch')
-rw-r--r-- | sys/arch/sh/sh/locore_c.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/arch/sh/sh/locore_c.c b/sys/arch/sh/sh/locore_c.c index cb59d66512e..ede226184c7 100644 --- a/sys/arch/sh/sh/locore_c.c +++ b/sys/arch/sh/sh/locore_c.c @@ -1,4 +1,4 @@ -/* $OpenBSD: locore_c.c,v 1.4 2007/05/18 14:41:55 art Exp $ */ +/* $OpenBSD: locore_c.c,v 1.5 2007/09/09 11:57:55 miod Exp $ */ /* $NetBSD: locore_c.c,v 1.13 2006/03/04 01:13:35 uwe Exp $ */ /*- @@ -117,7 +117,7 @@ #include <sys/sched.h> #include <sys/proc.h> -#include <uvm/uvm_extern.h> +#include <uvm/uvm.h> #include <sh/locore.h> #include <sh/cpu.h> @@ -219,7 +219,10 @@ void idle() { spl0(); - uvm_pageidlezero(); +#if 0 + if (uvm.page_idle_zero) + uvm_pageidlezero(); +#endif __asm volatile("sleep"); splsched(); } |