| 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
| ||
|
Date: Tue, 03 Dec 2013 09:59:24 -0800 From: Darren Hart <dvhart@...ux.intel.com> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Eric Dumazet <eric.dumazet@...il.com>, Ingo Molnar <mingo@...nel.org>, Peter Zijlstra <peterz@...radead.org>, Davidlohr Bueso <davidlohr@...com>, Thomas Gleixner <tglx@...utronix.de>, LKML <linux-kernel@...r.kernel.org>, Jason Low <jason.low2@...com>, Mike Galbraith <efault@....de>, Jeff Mahoney <jeffm@...e.com>, Scott Norton <scott.norton@...com>, Tom Vaden <tom.vaden@...com>, Aswin Chandramouleeswaran <aswin@...com>, Waiman Long <Waiman.Long@...com>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [RFC patch 0/5] futex: Allow lockless empty check of hashbucket plist in futex_wake() On Sun, 2013-12-01 at 13:46 -0800, Linus Torvalds wrote: > On Sun, Dec 1, 2013 at 12:39 PM, Eric Dumazet <eric.dumazet@...il.com> wrote: > > > > Last time I checked, private futexes were used when appropriate. > > > > "strace -e futex" mainly show _PRIVATE uses. > > Yeah, pthread mutexes seem to do it. Yes, the default was changed to _PRIVATE for pthreads in glibc several years back (2007 iirc). The performance benefits were significant. -- Darren Hart Intel Open Source Technology Center Yocto Project - Linux Kernel -- 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/
Powered by blists - more mailing lists