linux-kernel - [PATCH 05/14] blockconsole: use CON

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Message-Id: <1368132193-25817-8-git-send-email-joern@logfs.org>
Date:	Thu,  9 May 2013 16:43:03 -0400
From:	Joern Engel <joern@...fs.org>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Jens Axboe <axboe@...nel.dk>, Borislav Petkov <bp@...en8.de>,
	Takashi Iwai <tiwai@...e.de>, Joern Engel <joern@...fs.org>
Subject: [PATCH 05/14] blockconsole: use CON_ALLDATA

Blockconsole should really see every message ever printed.  The
alternative is to try debugging with information like this:
[166135.633974] Stack:
[166135.634016] Call Trace:
[166135.634029]  <IRQ>
[166135.634156]  <EOI>
[166135.634177] Code: 00 00 55 48 89 e5 0f 1f 44 00 00 ff 15 31 49 80 00 c9 c3 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 0f 1f 44 00 00
[166135.634384]  48 8b 14 25 98 24 01 00 48 8d 14 92 48 8d 04 bd 00 00 00 00

Signed-off-by: Joern Engel <joern@...fs.org>
---
 drivers/block/blockconsole.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/blockconsole.c b/drivers/block/blockconsole.c
index 7f8ac5b..32f6c62 100644
--- a/drivers/block/blockconsole.c
+++ b/drivers/block/blockconsole.c
@@ -481,7 +481,7 @@ static int bcon_create(const char *devname)
 	strlcpy(bc->devname, devname, sizeof(bc->devname));
 	spin_lock_init(&bc->end_io_lock);
 	strcpy(bc->console.name, "bcon");
-	bc->console.flags = CON_PRINTBUFFER | CON_ENABLED;
+	bc->console.flags = CON_PRINTBUFFER | CON_ENABLED | CON_ALLDATA;
 	bc->console.write = bcon_write;
 	bc->bdev = blkdev_get_by_path(devname, mode, NULL);
 #ifndef MODULE
-- 
1.7.10.4

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