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reduce intendation in pmap_activate(), NFCI

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This commit is contained in:
jdolecek 2018-03-04 11:01:48 +00:00
parent 695882a717
commit bb10a5d1a1
1 changed files with 15 additions and 14 deletions
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29
sys/arch/x86/x86/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.286 2018/03/04 10:59:11 jdolecek Exp $ */
/* $NetBSD: pmap.c,v 1.287 2018/03/04 11:01:48 jdolecek Exp $ */
/*
* Copyright (c) 2008, 2010, 2016, 2017 The NetBSD Foundation, Inc.
@ -170,7 +170,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.286 2018/03/04 10:59:11 jdolecek Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.287 2018/03/04 11:01:48 jdolecek Exp $");
#include "opt_user_ldt.h"
#include "opt_lockdebug.h"
@ -2855,22 +2855,23 @@ pmap_activate(struct lwp *l)
ci = curcpu();
if (l == ci->ci_curlwp) {
KASSERT(ci->ci_want_pmapload == 0);
KASSERT(ci->ci_tlbstate != TLBSTATE_VALID);
if (l != ci->ci_curlwp)
return;
/*
* no need to switch to kernel vmspace because
* it's a subset of any vmspace.
*/
KASSERT(ci->ci_want_pmapload == 0);
KASSERT(ci->ci_tlbstate != TLBSTATE_VALID);
if (pmap == pmap_kernel()) {
ci->ci_want_pmapload = 0;
return;
}
/*
* no need to switch to kernel vmspace because
* it's a subset of any vmspace.
*/
ci->ci_want_pmapload = 1;
if (pmap == pmap_kernel()) {
ci->ci_want_pmapload = 0;
return;
}
ci->ci_want_pmapload = 1;
}
#if defined(XEN) && defined(__x86_64__)