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Subject[PATCH 1/2] kmsg_dump: adding to reboot, halt, poweroff and emergency_restart path
This patch alters mtdoops and ramoops to perform their actions only for KMSG_DUMP_PANIC,
KMSG_DUMP_OOPS and KMSG_DUMP_KEXEC because they would like to log crashes only.

Signed-off-by: Seiji Aguchi <seiji.aguchi@hds.com>
---
drivers/char/ramoops.c | 5 +++++
drivers/mtd/mtdoops.c | 5 +++++
2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/char/ramoops.c b/drivers/char/ramoops.c index 73dcb0e..8998b29 100644
--- a/drivers/char/ramoops.c
+++ b/drivers/char/ramoops.c
@@ -69,6 +69,11 @@ static void ramoops_do_dump(struct kmsg_dumper *dumper,
char *buf;
struct timeval timestamp;

+ if (reason != KMSG_DUMP_OOPS &&
+ reason != KMSG_DUMP_PANIC &&
+ reason != KMSG_DUMP_KEXEC)
+ return;
+
/* Only dump oopses if dump_oops is set */
if (reason == KMSG_DUMP_OOPS && !dump_oops)
return;
diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c index 1ee72f3..c948150 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -307,6 +307,11 @@ static void mtdoops_do_dump(struct kmsg_dumper *dumper,
unsigned long l1_cpy, l2_cpy;
char *dst;

+ if (reason != KMSG_DUMP_OOPS &&
+ reason != KMSG_DUMP_PANIC &&
+ reason != KMSG_DUMP_KEXEC)
+ return;
+
/* Only dump oopses if dump_oops is set */
if (reason == KMSG_DUMP_OOPS && !dump_oops)
return;
--
1.7.2.2
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