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Accomplish messy stack with slightly less messy code.

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This commit is contained in:
pooka 2010-01-15 20:39:46 +00:00
parent 1f74793503
commit c396ac1512
1 changed files with 4 additions and 13 deletions
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17
sys/rump/librump/rumpkern/rump.c
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@ -1,4 +1,4 @@
/* $NetBSD: rump.c,v 1.150 2010/01/15 19:01:04 pooka Exp $ */
/* $NetBSD: rump.c,v 1.151 2010/01/15 20:39:46 pooka Exp $ */
/*
* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
@ -28,7 +28,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: rump.c,v 1.150 2010/01/15 19:01:04 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: rump.c,v 1.151 2010/01/15 20:39:46 pooka Exp $");
#include <sys/param.h>
#include <sys/atomic.h>
@ -145,18 +145,10 @@ __weak_alias(usermount_common_policy,rump__unavailable_vfs_panic);
rump_proc_vfs_init_fn rump_proc_vfs_init;
rump_proc_vfs_release_fn rump_proc_vfs_release;
/*
* Stir up the stack a bit. These are exported functions to help
* convince the compiler that we don't want these routines completely
* optimized out or inlined. Is there an easier way to do this?
*/
void nullfn(uint32_t *);
void nullfn(uint32_t *arg){}
void messthestack(void);
void
static void __noinline
messthestack(void)
{
uint32_t mess[64];
volatile uint32_t mess[64];
uint64_t d1, d2;
int i, error;
@ -164,7 +156,6 @@ messthestack(void)
rumpuser_gettime(&d1, &d2, &error);
mess[i] = d2;
}
nullfn(mess);
}
int