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authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2009-12-22 03:15:43 +0000
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-12-31 19:45:04 +0000
commit0f4bd46ec252887f44f1f065b41867cac8f70dfb (patch)
treedaa176e9f9e1f5e9ba8c5476b5333142f31aa062 /drivers/mtd/mtdoops.c
parent60d9aa758c00f20ade0cb1951f6a934f628dd2d7 (diff)
kmsg_dump: Dump on crash_kexec as well
crash_kexec gets called before kmsg_dump(KMSG_DUMP_OOPS) if panic_on_oops is set, so the kernel log buffer is not stored for this case. This patch adds a KMSG_DUMP_KEXEC dump type which gets called when crash_kexec() is invoked. To avoid getting double dumps, the old KMSG_DUMP_PANIC is moved below crash_kexec(). The mtdoops driver is modified to handle KMSG_DUMP_KEXEC in the same way as a panic. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Simon Kagstrom <simon.kagstrom@netinsight.net> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/mtdoops.c')
-rw-r--r--drivers/mtd/mtdoops.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index a714ec48276..92e12df0917 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -322,7 +322,7 @@ static void mtdoops_do_dump(struct kmsg_dumper *dumper,
memcpy(dst + l1_cpy, s2 + s2_start, l2_cpy);
/* Panics must be written immediately */
- if (reason == KMSG_DUMP_PANIC) {
+ if (reason != KMSG_DUMP_OOPS) {
if (!cxt->mtd->panic_write)
printk(KERN_ERR "mtdoops: Cannot write from panic without panic_write\n");
else