linux-kernel - Re: default IRQ affinity change in v2.6.27 (breaking several SMP PPC based systems)

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Fri, 24 Oct 2008 12:39:58 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	Kumar Gala <galak@...nel.crashing.org>
CC:	Chris Snook <csnook@...hat.com>,
	LinuxPPC-dev list <linuxppc-dev@...abs.org>,
	tglx@...utronix.de,
	linux-kernel Kernel <linux-kernel@...r.kernel.org>,
	maxk@...lcomm.com
Subject: Re: default IRQ affinity change in v2.6.27 (breaking several SMP
 PPC	based systems)

Kumar Gala wrote:
> So why not just have x86 startup code set irq_default_affinity = 
> CPU_MASK_ALL than?

That doesn't really solve the problem, as a user could still manually 
set an invalid affinity.  The MPIC driver should reduce the affinity 
itself to what the hardware can handle.

-Scott
--
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/