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From: Li Shaohua <shaohua.li@intel.com>
To: lkml <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@osdl.org>, Pavel Machek <pavel@suse.cz>
Subject: [PATCH]time run too fast after S3
Date: Mon, 22 Nov 2004 17:15:23 +0800	[thread overview]
Message-ID: <1101114923.14572.8.camel@sli10-desk.sh.intel.com> (raw)

Hi,
after resume from S3, 'date' shows time run too fast. Here is a patch.

Thanks,
Shaohua

Signed-off-by: Li Shaohua <shaohua.li@intel.com>

diff -puN arch/i386/kernel/time.c~wall_jiffies arch/i386/kernel/time.c
--- 2.6/arch/i386/kernel/time.c~wall_jiffies	2004-11-22 17:04:42.720038352 +0800
+++ 2.6-root/arch/i386/kernel/time.c	2004-11-22 17:06:21.373040816 +0800
@@ -343,12 +343,13 @@ static int timer_resume(struct sys_devic
 		hpet_reenable();
 #endif
 	sec = get_cmos_time() + clock_cmos_diff;
-	sleep_length = get_cmos_time() - sleep_start;
+	sleep_length = (get_cmos_time() - sleep_start) * HZ;
 	write_seqlock_irqsave(&xtime_lock, flags);
 	xtime.tv_sec = sec;
 	xtime.tv_nsec = 0;
 	write_sequnlock_irqrestore(&xtime_lock, flags);
-	jiffies += sleep_length * HZ;
+	jiffies += sleep_length;
+	wall_jiffies += sleep_length;
 	return 0;
 }
 



             reply	other threads:[~2004-11-22  9:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-22  9:15 Li Shaohua [this message]
2004-11-22 18:33 ` john stultz
2004-11-22 18:54   ` George Anzinger
2004-11-22 21:45   ` Nigel Cunningham

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