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Pull up following revision(s) (requested by bouyer in ticket #1443): 

sys/arch/x86/x86/pmap.c: revision 1.414

return after calling xen_pagezero(), don't fall back to the legacy
pmap_zero_page() method.

This should only affect performances.
This commit is contained in:
martin 2022-05-13 11:10:38 +00:00
parent e7e6c54bcf
commit fdc63a2d7b
1 changed files with 5 additions and 3 deletions
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8
sys/arch/x86/x86/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.334.2.6 2021/09/03 10:27:33 martin Exp $ */
/* $NetBSD: pmap.c,v 1.334.2.7 2022/05/13 11:10:38 martin Exp $ */
/*
* Copyright (c) 2008, 2010, 2016, 2017 The NetBSD Foundation, Inc.
@ -130,7 +130,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.334.2.6 2021/09/03 10:27:33 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.334.2.7 2022/05/13 11:10:38 martin Exp $");
#include "opt_user_ldt.h"
#include "opt_lockdebug.h"
@ -3187,8 +3187,10 @@ pmap_zero_page(paddr_t pa)
pagezero(PMAP_DIRECT_MAP(pa));
#else
#if defined(XENPV)
if (XEN_VERSION_SUPPORTED(3, 4))
if (XEN_VERSION_SUPPORTED(3, 4)) {
xen_pagezero(pa);
return;
}
#endif
struct cpu_info *ci;
pt_entry_t *zpte;