From: Christian Borntraeger <borntraeger@de.ibm.com>
To: mingo@kernel.org, dave.anglin@bell.net,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: torvalds@linux-foundation.org, catalin.marinas@arm.com,
peterz@infradead.org, cmetcalf@tilera.com, jason.low2@hp.com,
linux@arm.linux.org.uk, tglx@linutronix.de, davidlohr@hp.com,
linux-kernel@vger.kernel.org, hpa@zytor.com,
James.Bottomley@hansenpartnership.com, will.deacon@arm.com,
waiman.long@hp.com, james.hogan@imgtec.com, mpatocka@redhat.com,
davem@davemloft.net, paulmck@linux.vnet.ibm.com,
vgupta@synopsys.com, benh@kernel.crashing.org,
jejb@parisc-linux.org
Subject: Re: [tip:locking/urgent] locking/mutex: Disable optimistic spinning on some architectures
Date: Thu, 17 Jul 2014 13:58:58 +0200 [thread overview]
Message-ID: <53C7BA82.9020602@de.ibm.com> (raw)
In-Reply-To: <53C7B8AC.2040305@de.ibm.com>
On 17/07/14 13:51, Christian Borntraeger wrote:
> select ARCH_HAVE_NMI_SAFE_CMPXCHG
> + select ARCH_SUPPORTS_ATOMIC_RMW
This begs the question, if both defines were created for the same reason and could be combined.
Christian
next prev parent reply other threads:[~2014-07-17 11:59 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-06 15:55 [PATCH 0/2] locking/rwsem: disable optimistic spinning for PA-RISC Davidlohr Bueso
2014-06-06 15:55 ` [PATCH 1/2] locking/rwsem: Add CONFIG_RWSEM_SPIN_ON_OWNER Davidlohr Bueso
2014-06-06 17:13 ` Jason Low
2014-06-06 18:12 ` Davidlohr Bueso
2014-06-06 18:48 ` Davidlohr Bueso
2014-06-06 19:08 ` Jason Low
2014-06-06 19:20 ` Davidlohr Bueso
2014-06-06 15:55 ` [PATCH 2/2] locking/rwsem: Disable optimistic spinning for PA-RISC Davidlohr Bueso
2014-06-06 16:09 ` James Bottomley
2014-06-06 17:11 ` Peter Zijlstra
2014-06-06 17:19 ` Chris Metcalf
2014-06-06 17:22 ` Linus Torvalds
2014-06-06 17:53 ` Peter Zijlstra
2014-06-06 17:57 ` James Bottomley
2014-06-06 17:58 ` James Bottomley
2014-06-06 18:01 ` Peter Zijlstra
2014-07-16 19:24 ` [tip:locking/urgent] locking/mutex: Disable optimistic spinning on some architectures tip-bot for Peter Zijlstra
2014-07-17 11:51 ` Christian Borntraeger
2014-07-17 11:58 ` Christian Borntraeger [this message]
2014-07-18 3:07 ` Davidlohr Bueso
2014-07-18 3:10 ` Davidlohr Bueso
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