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spllower(): return immediatly if ci->ci_ilevel <= nlevel, as the asm 

versions do.
This commit is contained in:
bouyer 2008-07-01 18:44:50 +00:00
parent d4aaae9291
commit 42f814d7d2
1 changed files with 5 additions and 2 deletions
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7
sys/arch/xen/x86/xen_intr.c
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@ -1,4 +1,4 @@
/* $NetBSD: xen_intr.c,v 1.7 2008/05/25 16:09:30 bouyer Exp $ */
/* $NetBSD: xen_intr.c,v 1.8 2008/07/01 18:44:50 bouyer Exp $ */
/*-
* Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: xen_intr.c,v 1.7 2008/05/25 16:09:30 bouyer Exp $");
__KERNEL_RCSID(0, "$NetBSD: xen_intr.c,v 1.8 2008/07/01 18:44:50 bouyer Exp $");
#include <sys/param.h>
@ -64,6 +64,9 @@ spllower(int nlevel)
uint32_t imask;
u_long psl;
if (ci->ci_ilevel <= nlevel)
return;
__insn_barrier();
imask = IUNMASK(ci, nlevel);