linux-kernel - [git pull] printk fix (was: Re: X fails to start with latest Linus git)

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Message-ID: <20080127071240.GA31946@elte.hu>
Date:	Sun, 27 Jan 2008 08:12:40 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kevin Winchester <kjwinchester@...il.com>
Subject: [git pull] printk fix (was: Re: X fails to start with latest Linus
	git)


Linus,

please pull the following printk fix:

   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched.git

it reverts 19ef9309273d: Kevin Winchester reported a 
CONFIG_PRINTK_TIME=y related hang during X startup, and biscted it down 
to this commit.

	Ingo

------------------>
Ingo Molnar (1):
      printk: revert ktime_get() timestamps

 printk.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/kernel/printk.c b/kernel/printk.c
index 423a8c7..3b7c968 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -702,9 +702,7 @@ asmlinkage int vprintk(const char *fmt, va_list args)
 					loglev_char = default_message_loglevel
 						+ '0';
 				}
-				t = 0;
-				if (system_state != SYSTEM_BOOTING)
-					t = ktime_to_ns(ktime_get());
+				t = cpu_clock(printk_cpu);
 				nanosec_rem = do_div(t, 1000000000);
 				tlen = sprintf(tbuf,
 						"<%c>[%5lu.%06lu] ",

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