From: Paul Mundt <lethal@linux-sh.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>, Ingo Molnar <mingo@elte.hu>,
Andi Kleen <ak@suse.de>, Arjan van de Ven <arjan@infradead.org>,
Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>,
Chris Wright <chrisw@sous-sol.org>,
Adam Belay <abelay@novell.com>, Len Brown <lenb@kernel.org>,
Dave Miller <davem@davemloft.net>,
Russell King <rmk+kernel@arm.linux.org.uk>
Subject: Re: [patch-mm 01/23] NOHZ: Fix ARM,SH,SPARC64 idle nohz handling
Date: Mon, 11 Jun 2007 14:32:09 +0900 [thread overview]
Message-ID: <20070611053209.GA23365@linux-sh.org> (raw)
In-Reply-To: <1181539259.8176.40.camel@chaos>
On Mon, Jun 11, 2007 at 07:20:59AM +0200, Thomas Gleixner wrote:
> On Mon, 2007-06-11 at 09:26 +0900, Paul Mundt wrote:
> >
> > There are two paths here depending on hlt/nohlt setting, we need to have
> > tick_nohz_stop_sched_tick() for the TIF_POLLING_NRFLAG case, too.
>
> Do you really want to run through that in every loop iteration ? If you
> have nohlt, then nohz is rather pointless.
>
Well, nohlt is a corner case, but even so, nohz doesn't really make much
sense in the polling case. tick_nohz_restart_sched_tick() is also safe in
either path, so let's just go with your original patch. Sorry for the noise.
Acked-by: Paul Mundt <lethal@linux-sh.org>
next prev parent reply other threads:[~2007-06-11 5:33 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-10 9:43 [patch-mm 00/23] High resolution timer updates and x86_64 support Thomas Gleixner
2007-06-10 9:43 ` [patch-mm 01/23] NOHZ: Fix ARM,SH,SPARC64 idle nohz handling Thomas Gleixner
2007-06-11 0:26 ` Paul Mundt
2007-06-11 5:20 ` Thomas Gleixner
2007-06-11 5:32 ` Paul Mundt [this message]
2007-06-10 9:44 ` [patch-mm 02/23] ACPI: Move timer broadcast and pmtimer access before C3 arbiter shutdown Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 03/23] Clockevents remove prototypes of removed functions Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 04/23] Timekeeping: Fixup shadow variable argument Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 05/23] timer.c cleanup recently introduced whitespace damage Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 06/23] clockevents: Fix resume logic Thomas Gleixner
2007-06-10 9:43 ` Nigel Cunningham
2007-06-10 9:51 ` Thomas Gleixner
2007-06-10 10:19 ` Rafael J. Wysocki
2007-06-10 10:30 ` Thomas Gleixner
2007-06-10 10:58 ` Rafael J. Wysocki
2007-06-10 13:17 ` Thomas Gleixner
2007-06-10 16:34 ` Rafael J. Wysocki
2007-06-10 18:45 ` Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 07/23] Tick management: spread timer interrupt Thomas Gleixner
2007-06-10 14:16 ` Andreas Mohr
2007-06-10 14:31 ` Thomas Gleixner
2007-06-10 14:35 ` Andreas Mohr
2007-06-10 9:44 ` [patch-mm 08/23] i386: PIT stop only, when in periodic or oneshot mode Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 09/23] clockevents: Fix device replacement Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 10/23] highres: Improve debug output Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 11/23] hrtimer: speedup hrtimer_enqueue Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 12/23] pcspkr: use the global PIT lock Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 13/23] i386: hpet assumes boot cpu is 0 Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 14/23] NTP: Move the cmos update code into ntp.c Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 15/23] x86_64: untangle asm/hpet.h from asm/timex.h Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 16/23] x86_64: Use generic cmos update Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 17/23] i386: move setup_pit_timer to the correct header file Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 18/23] x86-64: remove dead code and other janitor work in tsc.c Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 19/23] x86_64: Convert to cleckevents Thomas Gleixner
2007-06-11 8:47 ` Sébastien Dugué
2007-06-11 8:57 ` Thomas Gleixner
2007-06-11 19:12 ` [patch-mm 19a/23] x86_64: hpet restore vread Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 20/23] x86_64: restore restore nohpet cmdline Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 21/23] x86-64 block irq balancing for timer Thomas Gleixner
2007-06-10 16:29 ` Arjan van de Ven
2007-06-11 19:24 ` Pallipadi, Venkatesh
2007-06-10 9:44 ` [patch-mm 22/23] x86_64: prep idle loop for dynticks Thomas Gleixner
2007-06-10 9:44 ` [patch-mm 23/23] x86_64: enable high resolution timers and dynticks Thomas Gleixner
2007-06-10 22:46 ` [patch-mm 00/23] High resolution timer updates and x86_64 support Mark Lord
2007-06-11 5:19 ` Thomas Gleixner
2007-06-11 22:43 ` Mark Lord
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