From: Ian Campbell <ian.campbell@citrix.com>
To: David Vrabel <david.vrabel@citrix.com>
Cc: xen-devel@lists.xenproject.org,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Keir Fraser <keir@xen.org>, Jan Beulich <jbeulich@suse.com>,
Tim Deegan <tim@xen.org>
Subject: Re: [PATCHv2 3/6] xen: generic xadd() for ticket locks
Date: Wed, 15 Apr 2015 09:34:19 +0100 [thread overview]
Message-ID: <1429086859.15516.131.camel@citrix.com> (raw)
In-Reply-To: <552D4248.4030809@citrix.com>
On Tue, 2015-04-14 at 17:37 +0100, David Vrabel wrote:
> On 14/04/15 14:17, Ian Campbell wrote:
> > On Fri, 2015-04-10 at 15:19 +0100, David Vrabel wrote:
> >> This is only temporary until arm/arm64 provides an xadd()
> >> implementation.
> >
> > I'll assume that you aren't planning on doing this and add it to my own
> > TODO list. Although, I'm more than willing to be preempted by another
> > ARM dev...
>
> Thanks. I'd hoped I could lift something from Linux but there's nothing
> directly suited.
I looked too and didn't find anything suitable. It should be pretty
trivial using ldrex and friends, I've added it to my list.
Ian.
next prev parent reply other threads:[~2015-04-15 8:34 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-10 14:19 [PATCHv2 0/6] Use ticket locks for spinlocks David Vrabel
2015-04-10 14:19 ` [PATCHv2 1/6] x86/hvm: don't include asm/spinlock.h David Vrabel
2015-04-10 15:24 ` Andrew Cooper
2015-04-13 13:13 ` David Vrabel
2015-04-13 13:15 ` Andrew Cooper
2015-04-16 11:09 ` Tim Deegan
2015-04-10 14:19 ` [PATCHv2 2/6] x86/mtrr: include asm/atomic.h David Vrabel
2015-04-10 15:25 ` Andrew Cooper
2015-04-16 11:10 ` Tim Deegan
2015-04-10 14:19 ` [PATCHv2 3/6] xen: generic xadd() for ticket locks David Vrabel
2015-04-14 13:17 ` Ian Campbell
2015-04-14 16:37 ` David Vrabel
2015-04-15 8:34 ` Ian Campbell [this message]
2015-04-16 11:13 ` Tim Deegan
2015-04-16 15:28 ` Jan Beulich
2015-04-17 12:32 ` Ian Campbell
2015-04-17 12:33 ` Ian Campbell
2015-04-17 12:34 ` David Vrabel
2015-04-17 13:09 ` Ian Campbell
2015-04-17 13:13 ` David Vrabel
2015-04-10 14:19 ` [PATCHv2 4/6] x86: provide xadd() David Vrabel
2015-04-16 11:25 ` Tim Deegan
2015-04-16 11:38 ` David Vrabel
2015-04-16 11:41 ` Tim Deegan
2015-04-16 11:49 ` Jan Beulich
2015-04-16 12:49 ` Tim Deegan
2015-04-16 12:55 ` Ian Campbell
2015-04-16 13:19 ` Jan Beulich
2015-04-16 14:07 ` Ian Campbell
2015-04-16 14:09 ` Ian Campbell
2015-04-16 12:00 ` Ian Campbell
2015-04-10 14:19 ` [PATCHv2 5/6] xen: use ticket locks for spin locks David Vrabel
2015-04-10 15:29 ` Andrew Cooper
2015-04-10 16:44 ` Boris Ostrovsky
2015-04-10 17:29 ` David Vrabel
2015-04-10 17:58 ` Boris Ostrovsky
2015-04-16 12:03 ` Tim Deegan
2015-04-16 12:46 ` David Vrabel
2015-04-16 12:50 ` Tim Deegan
2015-04-16 13:32 ` Jan Beulich
2015-04-21 9:59 ` David Vrabel
2015-04-10 14:19 ` [PATCHv2 6/6] x86, arm: remove asm/spinlock.h from all architectures David Vrabel
2015-04-16 12:51 ` Tim Deegan
2015-04-16 15:29 ` Jan Beulich
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