linux-kernel - Re: [PATCH 03/11] qspinlock: Add pending bit

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20140624082422.GM13930@laptop.programming.kicks-ass.net>
Date:	Tue, 24 Jun 2014 10:24:22 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	Waiman Long <waiman.long@...com>, tglx@...utronix.de,
	mingo@...nel.org, linux-arch@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org,
	xen-devel@...ts.xenproject.org, kvm@...r.kernel.org,
	paolo.bonzini@...il.com, boris.ostrovsky@...cle.com,
	paulmck@...ux.vnet.ibm.com, riel@...hat.com,
	torvalds@...ux-foundation.org, raghavendra.kt@...ux.vnet.ibm.com,
	david.vrabel@...rix.com, oleg@...hat.com, gleb@...hat.com,
	scott.norton@...com, chegu_vinod@...com
Subject: Re: [PATCH 03/11] qspinlock: Add pending bit

On Tue, Jun 17, 2014 at 05:07:29PM -0400, Konrad Rzeszutek Wilk wrote:
> > We are trying to make the fastpath as simple as possible as it may be
> > inlined. The complexity of the queue spinlock is in the slowpath.
> 
> Sure, but then it shouldn't be called slowpath anymore as it is not
> slow.

Its common terminology to call the inline part the fast path and the
out-of-line call on failure the slow path.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/