From: Venki Pallipadi <venkatesh.pallipadi@intel.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: [PATCH 4/4] Make mce polling timers 1 sec jiffy aligned
Date: Tue, 29 May 2007 11:01:50 -0700 [thread overview]
Message-ID: <20070529180150.GD5411@linux-os.sc.intel.com> (raw)
round_jiffies() for i386 and x86-64 non-critical/corrected MCE polling.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Index: linux-2.6.22-rc-mm/arch/x86_64/kernel/mce.c
===================================================================
--- linux-2.6.22-rc-mm.orig/arch/x86_64/kernel/mce.c 2007-05-24 11:15:57.000000000 -0700
+++ linux-2.6.22-rc-mm/arch/x86_64/kernel/mce.c 2007-05-25 17:29:21.000000000 -0700
@@ -366,7 +366,8 @@
next_interval = min(next_interval*2, check_interval*HZ);
}
- schedule_delayed_work(&mcheck_work, next_interval);
+ schedule_delayed_work(&mcheck_work,
+ round_jiffies_relative(next_interval));
}
@@ -374,7 +375,8 @@
{
next_interval = check_interval * HZ;
if (next_interval)
- schedule_delayed_work(&mcheck_work, next_interval);
+ schedule_delayed_work(&mcheck_work,
+ round_jiffies_relative(next_interval));
return 0;
}
__initcall(periodic_mcheck_init);
@@ -618,7 +620,8 @@
on_each_cpu(mce_init, NULL, 1, 1);
next_interval = check_interval * HZ;
if (next_interval)
- schedule_delayed_work(&mcheck_work, next_interval);
+ schedule_delayed_work(&mcheck_work,
+ round_jiffies_relative(next_interval));
}
static struct sysdev_class mce_sysclass = {
Index: linux-2.6.22-rc-mm/arch/i386/kernel/cpu/mcheck/non-fatal.c
===================================================================
--- linux-2.6.22-rc-mm.orig/arch/i386/kernel/cpu/mcheck/non-fatal.c 2007-04-25 20:08:32.000000000 -0700
+++ linux-2.6.22-rc-mm/arch/i386/kernel/cpu/mcheck/non-fatal.c 2007-05-25 17:27:49.000000000 -0700
@@ -57,7 +57,7 @@
static void mce_work_fn(struct work_struct *work)
{
on_each_cpu(mce_checkregs, NULL, 1, 1);
- schedule_delayed_work(&mce_work, MCE_RATE);
+ schedule_delayed_work(&mce_work, round_jiffies_relative(MCE_RATE));
}
static int __init init_nonfatal_mce_checker(void)
@@ -82,7 +82,7 @@
/*
* Check for non-fatal errors every MCE_RATE s
*/
- schedule_delayed_work(&mce_work, MCE_RATE);
+ schedule_delayed_work(&mce_work, round_jiffies_relative(MCE_RATE));
printk(KERN_INFO "Machine check exception polling timer started.\n");
return 0;
}
reply other threads:[~2007-05-29 18:05 UTC|newest]
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