All of lore.kernel.org
 help / color / mirror / Atom feed
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


  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=53C7BA82.9020602@de.ibm.com \
    --to=borntraeger@de.ibm.com \
    --cc=James.Bottomley@hansenpartnership.com \
    --cc=benh@kernel.crashing.org \
    --cc=catalin.marinas@arm.com \
    --cc=cmetcalf@tilera.com \
    --cc=dave.anglin@bell.net \
    --cc=davem@davemloft.net \
    --cc=davidlohr@hp.com \
    --cc=heiko.carstens@de.ibm.com \
    --cc=hpa@zytor.com \
    --cc=james.hogan@imgtec.com \
    --cc=jason.low2@hp.com \
    --cc=jejb@parisc-linux.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@arm.linux.org.uk \
    --cc=mingo@kernel.org \
    --cc=mpatocka@redhat.com \
    --cc=paulmck@linux.vnet.ibm.com \
    --cc=peterz@infradead.org \
    --cc=schwidefsky@de.ibm.com \
    --cc=tglx@linutronix.de \
    --cc=torvalds@linux-foundation.org \
    --cc=vgupta@synopsys.com \
    --cc=waiman.long@hp.com \
    --cc=will.deacon@arm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.