This is a note to let you know that I've just added the patch titled
kdb: make "mdr" command repeat
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
kdb-make-mdr-command-repeat.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <sta...@vger.kernel.org> know about it.
>From foo@baz Sun May 27 17:33:38 CEST 2018
From: Randy Dunlap <rdun...@infradead.org>
Date: Fri, 8 Dec 2017 10:19:19 -0800
Subject: kdb: make "mdr" command repeat
From: Randy Dunlap <rdun...@infradead.org>
[ Upstream commit 1e0ce03bf142454f38a5fc050bf4fd698d2d36d8 ]
The "mdr" command should repeat (continue) when only Enter/Return
is pressed, so make it do so.
Signed-off-by: Randy Dunlap <rdun...@infradead.org>
Cc: Daniel Thompson <daniel.thomp...@linaro.org>
Cc: Jason Wessel <jason.wes...@windriver.com>
Cc: kgdb-bugreport@lists.sourceforge.net
Signed-off-by: Jason Wessel <jason.wes...@windriver.com>
Signed-off-by: Sasha Levin <alexander.le...@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
kernel/debug/kdb/kdb_main.c | 27 +++++++++++++++++++++------
1 file changed, 21 insertions(+), 6 deletions(-)
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -1564,6 +1564,7 @@ static int kdb_md(int argc, const char *
int symbolic = 0;
int valid = 0;
int phys = 0;
+ int raw = 0;
kdbgetintenv("MDCOUNT", &mdcount);
kdbgetintenv("RADIX", &radix);
@@ -1573,9 +1574,10 @@ static int kdb_md(int argc, const char *
repeat = mdcount * 16 / bytesperword;
if (strcmp(argv[0], "mdr") == 0) {
- if (argc != 2)
+ if (argc == 2 || (argc == 0 && last_addr != 0))
+ valid = raw = 1;
+ else
return KDB_ARGCOUNT;
- valid = 1;
} else if (isdigit(argv[0][2])) {
bytesperword = (int)(argv[0][2] - '0');
if (bytesperword == 0) {
@@ -1611,7 +1613,10 @@ static int kdb_md(int argc, const char *
radix = last_radix;
bytesperword = last_bytesperword;
repeat = last_repeat;
- mdcount = ((repeat * bytesperword) + 15) / 16;
+ if (raw)
+ mdcount = repeat;
+ else
+ mdcount = ((repeat * bytesperword) + 15) / 16;
}
if (argc) {
@@ -1628,7 +1633,10 @@ static int kdb_md(int argc, const char *
diag = kdbgetularg(argv[nextarg], &val);
if (!diag) {
mdcount = (int) val;
- repeat = mdcount * 16 / bytesperword;
+ if (raw)
+ repeat = mdcount;
+ else
+ repeat = mdcount * 16 / bytesperword;
}
}
if (argc >= nextarg+1) {
@@ -1638,8 +1646,15 @@ static int kdb_md(int argc, const char *
}
}
- if (strcmp(argv[0], "mdr") == 0)
- return kdb_mdr(addr, mdcount);
+ if (strcmp(argv[0], "mdr") == 0) {
+ int ret;
+ last_addr = addr;
+ ret = kdb_mdr(addr, mdcount);
+ last_addr += mdcount;
+ last_repeat = mdcount;
+ last_bytesperword = bytesperword; // to make REPEAT happy
+ return ret;
+ }
switch (radix) {
case 10:
Patches currently in stable-queue which might be from rdun...@infradead.org are
queue-4.9/kdb-make-mdr-command-repeat.patch
queue-4.9/swap-divide-by-zero-when-zero-length-swap-file-on-ssd.patch
queue-4.9/alsa-hda-use-is_reachable-for-dependency-on-input.patch
queue-4.9/integrity-security-fix-digsig.c-build-error-with-header-file.patch
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