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: Sat, 18 Oct 2008 07:38:10 +0200 From: Andi Kleen <andi@...stfloor.org> To: Thomas Graf <tgraf@...g.ch> Cc: Andi Kleen <andi@...stfloor.org>, davem@...emloft.net, netdev@...r.kernel.org Subject: Re: [PATCH] pkt_sched: Control group classifier On Fri, Oct 17, 2008 at 10:09:16PM +0200, Thomas Graf wrote: > * Andi Kleen <andi@...stfloor.org> 2008-10-17 20:32 > > > softirq_count() simply counts the levels of bh disable. > > > > softirqs always have bh disabled. So it's always true inside them. > > And you should know what _bh locks you hold. > > I actually tried "softirq_count() == SOFTIRQ_OFFSET" to see if the softirq_count() > 0 should work. > I found explicitely counting softirq_enter() to be more reliable > without having much of a performance impact. I'm happy with both > solutions though. I doubt you'll need a separate ocunter. -Andi -- ak@...ux.intel.com -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists