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 PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sun, 04 Nov 2007 13:56:21 -0800 (PST) From: David Miller <davem@...emloft.net> To: ak@...e.de Cc: dada1@...mosbay.com, netdev@...r.kernel.org, acme@...hat.com, jarkao2@...pl Subject: Re: [PATCH] INET : removes per bucket rwlock in tcp/dccp ehash table From: Andi Kleen <ak@...e.de> Date: Sun, 4 Nov 2007 13:26:38 +0100 > > > But I suspect distributions kernels enable CONFIG_HOTPLUG_CPU so > > num_possible_cpus() will be NR_CPUS. > > Nope, on x86 num_possible_cpus() is derived from BIOS tables these days. And similarly on SPARC64 is will be set based upon the physical capabilities of the system. This makes a huge different as we have to set NR_CPUS to 4096 in order to handle the cpu numbering of some UltraSPARC-IV machines. - 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