From: Ingo Molnar <mingo@kernel.org>
To: Alex Shi <alex.shi@intel.com>
Cc: Michel Lespinasse <walken@google.com>,
linux-kernel@vger.kernel.org, anton@samba.org, hpa@zytor.com,
arjan@linux.intel.com, a.p.zijlstra@chello.nl,
torvalds@linux-foundation.org, yuanhan.liu@linux.intel.com,
dhowells@redhat.com, akpm@linux-foundation.org,
tglx@linutronix.de
Subject: Re: [PATCH 0/4] rwsem: Implement writer lock-stealing
Date: Wed, 13 Feb 2013 15:49:32 +0100 [thread overview]
Message-ID: <20130213144932.GA14260@gmail.com> (raw)
In-Reply-To: <511B9B4F.3060404@intel.com>
* Alex Shi <alex.shi@intel.com> wrote:
> On 02/09/2013 10:45 AM, Michel Lespinasse wrote:
> > This proposal implements writer lock stealing in lib/rwsem.c, just as
> > Alex Shi's earlier proposal did for the simpler lib/rwsem-spinlock.c
>
> Ops, my patch in tip/urgent is for rwsem. Yuanhan's patch is
> for rwsem-spinlock.
Your rwsem patch is queued up for v3.9, in the tip:core/locking
tree:
3a15e0e0cdda rwsem: Implement writer lock-stealing for better scalability
Michel, mind having a look at that and possibly generate a delta
patch, if your patch has changes we should apply?
Thanks,
Ingo
next prev parent reply other threads:[~2013-02-13 14:49 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-09 2:45 Michel Lespinasse
2013-02-09 2:45 ` [PATCH 1/4] rwsem: make the waiter type an enumeration rather than a bitmask Michel Lespinasse
2013-02-09 2:45 ` [PATCH 2/4] rwsem: shorter spinlocked section in rwsem_down_failed_common() Michel Lespinasse
2013-02-09 2:45 ` [PATCH 3/4] rwsem: implement write lock stealing Michel Lespinasse
2013-02-09 7:30 ` Hillf Danton
2013-02-09 7:42 ` Michel Lespinasse
2013-02-09 13:11 ` Hillf Danton
2013-02-09 2:45 ` [PATCH 4/4] x86 rwsem: avoid taking slow path when stealing write lock Michel Lespinasse
2013-02-13 13:55 ` [PATCH 0/4] rwsem: Implement writer lock-stealing Alex Shi
2013-02-13 14:49 ` Ingo Molnar [this message]
2013-02-14 1:31 ` Michel Lespinasse
2013-02-14 12:08 ` Alex Shi
2013-02-20 8:50 ` Alex Shi
2013-02-20 10:40 ` Ingo Molnar
2013-02-20 16:50 ` Michel Lespinasse
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