From: Peter Zijlstra <peterz@infradead.org>
To: Huang Ying <ying.huang@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Len Brown <lenb@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Andi Kleen <andi@firstfloor.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
Mauro Carvalho Chehab <mchehab@redhat.com>
Subject: Re: [PATCH -v4 1/2] lib, Make gen_pool memory allocator lockless
Date: Wed, 17 Nov 2010 11:40:58 +0100 [thread overview]
Message-ID: <1289990458.2109.675.camel@laptop> (raw)
In-Reply-To: <1289960281.8719.1218.camel@yhuang-dev>
On Wed, 2010-11-17 at 10:18 +0800, Huang Ying wrote:
>
> cmpxchg has been used in that way by ftrace and perf for a long time. So
> I agree to make it a requirement on future architecture ports.
Neither mandate an architecture do this though, only that when an
architecture wants to support either feature and has NMIs (not all archs
have NMI equivalents) it has to be safe.
next prev parent reply other threads:[~2010-11-17 10:41 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-16 0:53 [PATCH -v4 0/2] Lockless memory allocator and list Huang Ying
2010-11-16 0:53 ` [PATCH -v4 1/2] lib, Make gen_pool memory allocator lockless Huang Ying
2010-11-16 21:50 ` Andrew Morton
2010-11-17 2:18 ` Huang Ying
2010-11-17 2:35 ` Andrew Morton
2010-11-17 3:03 ` Huang Ying
2010-11-17 3:57 ` Andrew Morton
2010-11-17 6:05 ` Huang Ying
2010-11-17 10:49 ` Peter Zijlstra
2010-11-17 11:16 ` huang ying
2010-11-17 11:38 ` Peter Zijlstra
2010-11-17 10:40 ` Peter Zijlstra [this message]
2010-11-17 11:47 ` huang ying
2010-11-17 11:53 ` Peter Zijlstra
2010-11-18 1:14 ` Huang Ying
2010-11-18 8:34 ` Peter Zijlstra
2010-11-18 8:43 ` Paul Mundt
2010-11-18 8:57 ` Peter Zijlstra
2010-11-18 9:03 ` Paul Mundt
2010-11-16 0:53 ` [PATCH -v4 2/2] lib, Add lock-less NULL terminated single list Huang Ying
2010-11-16 11:50 ` Peter Zijlstra
2010-11-16 16:33 ` Linus Torvalds
2010-11-16 11:49 ` [PATCH -v4 0/2] Lockless memory allocator and list Peter Zijlstra
2010-11-16 16:38 ` Linus Torvalds
2010-11-16 18:04 ` Peter Zijlstra
2010-11-17 1:45 ` Huang Ying
2010-11-17 1:03 ` Huang Ying
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