CVS commit: src/sys/arch/aarch64/aarch64

[Nick Hudson]

Module Name:    src
Committed By:   skrll
Date:           Sun Apr 10 10:01:15 UTC 2022

Modified Files:
        src/sys/arch/aarch64/aarch64: pmap.c

Log Message:
No need to flush icache for EFI RT mappings as bootaa64.efi flushed
the full icache for us.  (Also this avoids traps)


To generate a diff of this commit:
cvs rdiff -u -r1.133 -r1.134 src/sys/arch/aarch64/aarch64/pmap.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


Modified files:

Index: src/sys/arch/aarch64/aarch64/pmap.c
diff -u src/sys/arch/aarch64/aarch64/pmap.c:1.133 src/sys/arch/aarch64/aarch64/pmap.c:1.134
--- src/sys/arch/aarch64/aarch64/pmap.c:1.133	Sat Apr  9 23:38:31 2022
+++ src/sys/arch/aarch64/aarch64/pmap.c	Sun Apr 10 10:01:15 2022
@@ -1,4 +1,4 @@
-/*	$NetBSD: pmap.c,v 1.133 2022/04/09 23:38:31 riastradh Exp $	*/
+/*	$NetBSD: pmap.c,v 1.134 2022/04/10 10:01:15 skrll Exp $	*/
 
 /*
  * Copyright (c) 2017 Ryo Shimizu <r...@nerv.org>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.133 2022/04/09 23:38:31 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.134 2022/04/10 10:01:15 skrll Exp $");
 
 #include "opt_arm_debug.h"
 #include "opt_cpuoptions.h"
@@ -1992,7 +1992,7 @@ _pmap_enter(struct pmap *pm, vaddr_t va,
 	idx = l3pte_index(va);
 	ptep = &l3[idx];	/* as PTE */
 	opte = *ptep;
-	need_sync_icache = (prot & VM_PROT_EXECUTE);
+	need_sync_icache = (prot & VM_PROT_EXECUTE) && !efirt_p;
 
 	/* for lock ordering for old page and new page */
 	pps[0] = pp;