login
Login
/
Register
Search
Search this site:
Forums
News
Blogs
Features
Site
Home
»
Mailing list archives
»
linux-kernel
»
2010
»
August
»
17
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_watchdog and touch_softlockup_watchdog
view
thread
Previous message: [
thread
] [
date
] [
author
]
Next message: [
thread
] [
date
] [
author
]
[view in full thread]
From: Yong Zhang
Subject:
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_watchdog and touch_softlockup_watchdog
Date: Tuesday, August 17, 2010 - 5:48 am
On Tue, Aug 17, 2010 at 01:28:19PM +0300, Sergey Senozhatsky wrote:
quoted text
> > So preempt_disable() is redundant here. > > > > Shouldn't we be for sure not preepmtible when calling __raw_get_cpu_var?
IMHO, it's the caller's responsibility.
quoted text
> > preempt_disable is reduntant here because current_thread_info()->cpu is > atomic and we just don't want preempt_(enable|disable) overhead?
Yep. Thanks, Yong --
unsubscribe notice
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to
majordomo@vger.kernel.org
More majordomo info at
http://vger.kernel.org/majordomo-info.html
Please read the FAQ at
http://www.tux.org/lkml/
Previous message: [
thread
] [
date
] [
author
]
Next message: [
thread
] [
date
] [
author
]
Messages in current thread:
fix BUG: using smp_processor_id() in touch_nmi_watchdog an ...
, Sergey Senozhatsky
, (Fri Aug 13, 3:21 am)
Re: fix BUG: using smp_processor_id() in touch_nmi_watchdo ...
, Peter Zijlstra
, (Mon Aug 16, 1:22 am)
Re: fix BUG: using smp_processor_id() in touch_nmi_watchdo ...
, Don Zickus
, (Mon Aug 16, 6:34 am)
Re: fix BUG: using smp_processor_id() in touch_nmi_watchdo ...
, Peter Zijlstra
, (Mon Aug 16, 6:46 am)
Re: fix BUG: using smp_processor_id() in touch_nmi_watchdo ...
, Yong Zhang
, (Mon Aug 16, 7:06 am)
[PATCH] fix BUG using smp_processor_id() in touch_nmi_watc ...
, Sergey Senozhatsky
, (Mon Aug 16, 7:08 am)
Re: fix BUG: using smp_processor_id() in touch_nmi_watchdo ...
, Don Zickus
, (Mon Aug 16, 7:12 am)
Re: fix BUG: using smp_processor_id() in touch_nmi_watchdo ...
, Peter Zijlstra
, (Mon Aug 16, 7:29 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Don Zickus
, (Mon Aug 16, 7:30 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Frederic Weisbecker
, (Mon Aug 16, 7:59 pm)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Yong Zhang
, (Mon Aug 16, 8:16 pm)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Yong Zhang
, (Mon Aug 16, 9:27 pm)
[PATCH] fix BUG using smp_processor_id() in touch_nmi_watc ...
, Sergey Senozhatsky
, (Tue Aug 17, 12:56 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Sergey Senozhatsky
, (Tue Aug 17, 1:39 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Yong Zhang
, (Tue Aug 17, 2:05 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Sergey Senozhatsky
, (Tue Aug 17, 2:24 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Yong Zhang
, (Tue Aug 17, 2:37 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Sergey Senozhatsky
, (Tue Aug 17, 3:28 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Sergey Senozhatsky
, (Tue Aug 17, 3:39 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Yong Zhang
, (Tue Aug 17, 5:48 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Yong Zhang
, (Tue Aug 17, 5:56 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Don Zickus
, (Tue Aug 17, 6:13 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Frederic Weisbecker
, (Tue Aug 17, 7:48 pm)
Re: fix BUG: using smp_processor_id() in touch_nmi_watchdo ...
, Andrew Morton
, (Wed Aug 18, 12:33 pm)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Andrew Morton
, (Wed Aug 18, 1:01 pm)
Re: fix BUG: using smp_processor_id() in touch_nmi_watchdo ...
, Cyrill Gorcunov
, (Wed Aug 18, 2:44 pm)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Don Zickus
, (Wed Aug 18, 7:27 pm)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Don Zickus
, (Thu Aug 19, 7:57 pm)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Andrew Morton
, (Thu Aug 19, 8:42 pm)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Don Zickus
, (Fri Aug 20, 5:34 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Yong Zhang
, (Fri Aug 20, 8:02 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Maxim Levitsky
, (Thu Aug 26, 3:14 am)
Re: [PATCH] fix BUG using smp_processor_id() in touch_nmi_ ...
, Don Zickus
, (Thu Aug 26, 7:40 am)
acpi_os_stall() and touch_nmi_watchdog() (was Re: [PATCH] ...
, Len Brown
, (Thu Aug 26, 10:17 am)
[PATCH] avoid second smp_processor_id() call in __touch_wa ...
, Sergey Senozhatsky
, (Wed Sep 22, 2:00 am)
Re: [PATCH] avoid second smp_processor_id() call in __touc ...
, Don Zickus
, (Wed Sep 22, 7:41 am)
Re: [PATCH] avoid second smp_processor_id() call in __touc ...
, Frederic Weisbecker
, (Wed Sep 22, 9:27 am)
Re: [PATCH] avoid second smp_processor_id() call in __touc ...
, Peter Zijlstra
, (Wed Sep 22, 9:39 am)
Re: [PATCH] avoid second smp_processor_id() call in __touc ...
, Frederic Weisbecker
, (Wed Sep 22, 9:47 am)
Re: [PATCH] avoid second smp_processor_id() call in __touc ...
, Don Zickus
, (Fri Sep 24, 12:34 pm)
Re: [PATCH] avoid second smp_processor_id() call in __touc ...
, Sergey Senozhatsky
, (Sat Sep 25, 10:43 am)
Navigation
Mailing list archives
Recent posts
Popular discussions
linux-kernel
:
monstr
[PATCH 46/56] microblaze_v2: headers files entry.h current.h mman.h registers.h se...
Jan Engelhardt
Re: Linux Security *Module* Framework (Was: LSM conversion to static interface)
Dave Jones
Re: Why do so many machines need "noapic"?
Michael Moore
Re: underage models, pre teen models, lolita porn, young preteens, little lolitas
Lars-Peter Clausen
[PATCH v4] MMC: Add JZ4740 mmc driver
git
:
Andy Parkins
git-fetch fails with error code 128
Eli Zaretskii
Re: Switching from CVS to GIT
Jan Harkes
Re: git-svn and huge data and modifying the git-svn-HEAD branch directly
Dan Chokola
Re: how do you "force a pull"?
Johan Herland
Re: Comment on weak refs
git-commits-head
:
Linux Kernel Mailing List
No need to do lock_super() for exclusion in generic_shutdown_super()
Linux Kernel Mailing List
x86, msr: Export the register-setting MSR functions via /dev/*/msr
Linux Kernel Mailing List
MIPS: SMTC: Fix lockup in smtc_distribute_timer
Linux Kernel Mailing List
Input: gpio-keys - add support for disabling gpios through sysfs
Linux Kernel Mailing List
sh-sci: update receive error handling for muxed irqs
linux-netdev
:
Patrick McHardy
Re: no reassembly for outgoing packets on RAW socket
Ilpo Järvinen
net-next/unix: BUG: using smp_processor_id() in preemptible
Herbert Xu
Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
Evgeniy Polyakov
Re: virt-manager broken by bind(0) in net-next.
Eric Dumazet
Re: [PATCH] conntrack: use SLAB_DESTROY_BY_RCU for nf_conn structs
openbsd-misc
:
elitdostlar
Seks partneri arayan bayanlar bu adreste - 8878xs706x6438
Marcus Andree
Re: This is what Linus Torvalds calls openBSD crowd
Lars D. Noodén
Re: sshd.config and AllowUsers
Henning Brauer
Re: Sun Blade 1000?
Laurens Vets
Re: OT: opinions on IDS / IPS solutions
Colocation donated by:
Syndicate