From: Peter Zijlstra <peterz@infradead.org>
To: paulmck@linux.vnet.ibm.com
Cc: axboe@kernel.dk, sshtylyov@mvista.com, nikunj@linux.vnet.ibm.com,
david.daney@cavium.com, linux-kernel@vger.kernel.org,
ralf@linux-mips.org, akpm@linux-foundation.org,
Yong Zhang <yong.zhang0@gmail.com>,
Paul Mackerras <paulus@samba.org>,
srivatsa.bhat@linux.vnet.ibm.com, tglx@linutronix.de,
linuxppc-dev@lists.ozlabs.org, mingo@kernel.org
Subject: Re: [RFC PATCH 09/10] POWERPC: smp: remove call to ipi_call_lock()/ipi_call_unlock()
Date: Sat, 16 Jun 2012 19:30:58 +0200 [thread overview]
Message-ID: <1339867858.15222.12.camel@twins> (raw)
In-Reply-To: <20120616163219.GI2420@linux.vnet.ibm.com>
On Sat, 2012-06-16 at 09:32 -0700, Paul E. McKenney wrote:
> However, there is an effort to get rid of stop_machine() from the
> CPU-down path... So something else will be needed.=20
Elsewhere in this thread I mentioned we could do a synchronize_sched().
I think that covers most of what stop-machine is doing these days.
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: paulmck@linux.vnet.ibm.com
Cc: Yong Zhang <yong.zhang0@gmail.com>,
linux-kernel@vger.kernel.org, ralf@linux-mips.org,
sshtylyov@mvista.com, david.daney@cavium.com,
nikunj@linux.vnet.ibm.com, axboe@kernel.dk, mingo@kernel.org,
tglx@linutronix.de, akpm@linux-foundation.org,
srivatsa.bhat@linux.vnet.ibm.com,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [RFC PATCH 09/10] POWERPC: smp: remove call to ipi_call_lock()/ipi_call_unlock()
Date: Sat, 16 Jun 2012 19:30:58 +0200 [thread overview]
Message-ID: <1339867858.15222.12.camel@twins> (raw)
In-Reply-To: <20120616163219.GI2420@linux.vnet.ibm.com>
On Sat, 2012-06-16 at 09:32 -0700, Paul E. McKenney wrote:
> However, there is an effort to get rid of stop_machine() from the
> CPU-down path... So something else will be needed.
Elsewhere in this thread I mentioned we could do a synchronize_sched().
I think that covers most of what stop-machine is doing these days.
next prev parent reply other threads:[~2012-06-16 17:31 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-29 7:15 [RFC PATCH 00/10] Cleanup ipi_call_lock[_irq]()/ipi_call_unlock[_irq]() Yong Zhang
2012-05-29 7:15 ` [RFC PATCH 01/10] hexagon: smp: remove call to ipi_call_lock()/ipi_call_unlock() Yong Zhang
2012-06-05 15:43 ` [tip:smp/hotplug] hexagon: SMP: Remove call to ipi_call_lock()/ ipi_call_unlock() tip-bot for Yong Zhang
2012-05-29 7:15 ` [RFC PATCH 02/10] mn10300: smp: remove call to ipi_call_lock()/ipi_call_unlock() Yong Zhang
2012-06-05 15:44 ` [tip:smp/hotplug] mn10300: SMP: Remove call to ipi_call_lock()/ ipi_call_unlock() tip-bot for Yong Zhang
2012-05-29 7:15 ` [RFC PATCH 03/10] parisc: smp: remove call to ipi_call_lock()/ipi_call_unlock() Yong Zhang
2012-06-05 15:45 ` [tip:smp/hotplug] parisc: Smp: remove call to ipi_call_lock()/ ipi_call_unlock() tip-bot for Yong Zhang
2012-05-29 7:15 ` [RFC PATCH 04/10] S390: smp: remove call to ipi_call_lock()/ipi_call_unlock() Yong Zhang
2012-06-05 15:46 ` [tip:smp/hotplug] S390: Smp: remove call to ipi_call_lock()/ ipi_call_unlock() tip-bot for Yong Zhang
2012-05-29 7:16 ` [RFC PATCH 05/10] tile: smp: remove call to ipi_call_lock()/ipi_call_unlock() Yong Zhang
2012-06-05 15:47 ` [tip:smp/hotplug] tile: SMP: Remove call to ipi_call_lock()/ ipi_call_unlock() tip-bot for Yong Zhang
2012-05-29 7:16 ` [RFC PATCH 06/10] x86: smp: remove call to ipi_call_lock()/ipi_call_unlock() Yong Zhang
2012-06-05 15:47 ` [tip:smp/hotplug] x86-smp-remove-call-to-ipi_call_lock-ipi_call_unlock tip-bot for Yong Zhang
2012-05-29 7:16 ` [RFC PATCH 07/10] ia64: smp: remove call to ipi_call_lock_irq()/ipi_call_unlock_irq() Yong Zhang
2012-05-29 7:16 ` Yong Zhang
2012-06-05 15:48 ` [tip:smp/hotplug] ia64: SMP: Remove call to ipi_call_lock_irq()/ ipi_call_unlock_irq() tip-bot for Yong Zhang
2012-05-29 7:16 ` [PATCH 08/10] SPARC: smp: remove call to ipi_call_lock_irq()/ipi_call_unlock_irq() Yong Zhang
2012-05-29 7:16 ` Yong Zhang
2012-05-29 8:01 ` Srivatsa S. Bhat
2012-05-29 8:13 ` Srivatsa S. Bhat
2012-05-29 8:14 ` David Miller
2012-05-29 8:14 ` David Miller
2012-05-29 8:27 ` [UPDATED] [RFC PATCH " Yong Zhang
2012-05-29 8:27 ` Yong Zhang
2012-05-29 8:30 ` Srivatsa S. Bhat
2012-05-29 8:42 ` Srivatsa S. Bhat
2012-05-29 8:36 ` David Miller
2012-05-29 8:36 ` David Miller
2012-06-05 15:49 ` [tip:smp/hotplug] SPARC: SMP: Remove call to ipi_call_lock_irq()/ ipi_call_unlock_irq() tip-bot for Yong Zhang
2012-05-29 7:16 ` [RFC PATCH 09/10] POWERPC: smp: remove call to ipi_call_lock()/ipi_call_unlock() Yong Zhang
2012-05-29 7:16 ` Yong Zhang
2012-06-05 15:50 ` [tip:smp/hotplug] POWERPC: Smp: remove call to ipi_call_lock()/ ipi_call_unlock() tip-bot for Yong Zhang
2012-06-16 16:32 ` [RFC PATCH 09/10] POWERPC: smp: remove call to ipi_call_lock()/ipi_call_unlock() Paul E. McKenney
2012-06-16 16:32 ` Paul E. McKenney
2012-06-16 17:30 ` Peter Zijlstra [this message]
2012-06-16 17:30 ` Peter Zijlstra
2012-06-16 20:57 ` Paul E. McKenney
2012-06-16 20:57 ` Paul E. McKenney
2012-06-18 2:51 ` Yong Zhang
2012-06-18 2:51 ` Yong Zhang
2012-06-18 17:05 ` Paul E. McKenney
2012-06-18 17:05 ` Paul E. McKenney
2012-05-29 7:16 ` [RFC PATCH 10/10] smp: remove ipi_call_lock[_irq]()/ipi_call_unlock[_irq]() Yong Zhang
2012-06-05 15:51 ` [tip:smp/hotplug] smp: Remove ipi_call_lock[_irq]()/ ipi_call_unlock[_irq]() tip-bot for Yong Zhang
2012-05-29 8:02 ` [RFC PATCH 00/10] Cleanup ipi_call_lock[_irq]()/ipi_call_unlock[_irq]() Srivatsa S. Bhat
2012-05-29 8:28 ` Peter Zijlstra
2012-05-29 8:32 ` Peter Zijlstra
2012-05-29 8:34 ` Srivatsa S. Bhat
2012-06-16 16:30 ` Paul E. McKenney
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