Module Name: src
Committed By: skrll
Date: Tue Aug 11 19:46:56 UTC 2020
Modified Files:
src/sys/arch/aarch64/aarch64: db_interface.c
Log Message:
Improve a comment
To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 src/sys/arch/aarch64/aarch64/db_interface.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/db_interface.c
diff -u src/sys/arch/aarch64/aarch64/db_interface.c:1.8 src/sys/arch/aarch64/aarch64/db_interface.c:1.9
--- src/sys/arch/aarch64/aarch64/db_interface.c:1.8 Sun Aug 2 06:58:16 2020
+++ src/sys/arch/aarch64/aarch64/db_interface.c Tue Aug 11 19:46:56 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: db_interface.c,v 1.8 2020/08/02 06:58:16 maxv Exp $ */
+/* $NetBSD: db_interface.c,v 1.9 2020/08/11 19:46:56 skrll Exp $ */
/*
* Copyright (c) 2017 Ryo Shimizu <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_interface.c,v 1.8 2020/08/02 06:58:16 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_interface.c,v 1.9 2020/08/11 19:46:56 skrll Exp $");
#include <sys/param.h>
#include <sys/types.h>
@@ -121,10 +121,11 @@ db_write_text(vaddr_t addr, size_t size,
pte = *ptep;
/*
- * change to writable. require to keep execute permission.
- * because if the block/page to which the target address belongs and
- * the block/page to which this function itself belongs are the same,
- * if drop PROT_EXECUTE and TLB invalidate, the program stop...
+ * change to writable. it is required to keep execute permission.
+ * because if the block/page to which the target address belongs is
+ * the same as the block/page to which this function belongs, then
+ * if PROT_EXECUTE is dropped and TLB is invalidated, the program
+ * will stop...
*/
pmap_kvattr(addr, VM_PROT_EXECUTE|VM_PROT_READ|VM_PROT_WRITE);
aarch64_tlbi_all();
