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in pmap_writetext(), restore the context also when we return early.

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chs 2021-01-13 16:42:17 +00:00
parent 7e0da10f84
commit a5d839ece9
1 changed files with 6 additions and 6 deletions
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12
sys/arch/sparc/sparc/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.370 2021/01/11 06:12:43 chs Exp $ */
/* $NetBSD: pmap.c,v 1.371 2021/01/13 16:42:17 chs Exp $ */
/*
* Copyright (c) 1996
@ -56,7 +56,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.370 2021/01/11 06:12:43 chs Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.371 2021/01/13 16:42:17 chs Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@ -7868,8 +7868,7 @@ pmap_writetext(unsigned char *dst, int ch)
if (CPU_HAS_SRMMU) {
pte0 = getpte4m(va);
if ((pte0 & SRMMU_TETYPE) != SRMMU_TEPTE) {
splx(s);
return;
goto out;
}
pte = pte0 | PPROT_WRITE;
setpte4m(va, pte);
@ -7882,8 +7881,7 @@ pmap_writetext(unsigned char *dst, int ch)
if (CPU_ISSUN4C || CPU_ISSUN4) {
pte0 = getpte4(va);
if ((pte0 & PG_V) == 0) {
splx(s);
return;
goto out;
}
pte = pte0 | PG_W;
setpte4(va, pte);
@ -7892,6 +7890,8 @@ pmap_writetext(unsigned char *dst, int ch)
}
#endif
cache_flush(dst, 1);
out:
setcontext(ctx);
splx(s);
}