Module Name:    src
Committed By:   jmcneill
Date:           Sun Nov  1 10:58:59 UTC 2020

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

Log Message:
No need to disable translation table walks in pmap_activate().


To generate a diff of this commit:
cvs rdiff -u -r1.93 -r1.94 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:1.93 src/sys/arch/aarch64/aarch64/pmap.c:1.94
--- src/sys/arch/aarch64/aarch64/pmap.c:1.93	Thu Oct 22 07:34:18 2020
+++ src/sys/arch/aarch64/aarch64/pmap.c	Sun Nov  1 10:58:59 2020
@@ -1,4 +1,4 @@
-/*	$NetBSD: pmap.c,v 1.93 2020/10/22 07:34:18 skrll Exp $	*/
+/*	$NetBSD: pmap.c,v 1.94 2020/11/01 10:58:59 jmcneill Exp $	*/
 
 /*
  * Copyright (c) 2017 Ryo Shimizu <r...@nerv.org>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.93 2020/10/22 07:34:18 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.94 2020/11/01 10:58:59 jmcneill Exp $");
 
 #include "opt_arm_debug.h"
 #include "opt_ddb.h"
@@ -1439,11 +1439,6 @@ pmap_activate(struct lwp *l)
 
 	UVMHIST_LOG(pmaphist, "lwp=%p (pid=%d)", l, l->l_proc->p_pid, 0, 0);
 
-	/* Disable translation table walks using TTBR0 */
-	tcr = reg_tcr_el1_read();
-	reg_tcr_el1_write(tcr | TCR_EPD0);
-	isb();
-
 	/* XXX: allocate asid, and regenerate if needed */
 	if (pm->pm_asid == -1)
 		pm->pm_asid = l->l_proc->p_pid;

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