Re: [RFC][Patch] fix for irq_affinity_write_proc v2.5

Alan Cox (alan@lxorguk.ukuu.org.uk)
06 May 2003 20:54:35 +0100


On Maw, 2003-05-06 at 20:03, Keith Mannthey wrote:
> Hello,
> irq_affinity_write_proc currently directly calls set_ioapic_affinity
> which writes to the ioapic. This undermines the work done by kirqd by
> writing a cpu mask directly to the ioapic. I propose the following patch
> to tie the /proc affinity writes into the same code path as kirqd.
> Kirqd will enforce the affinity requested by the user.

Why should the kernel be enforcing policy here. You have to be root to
do this, and root should have the ability to configure apparently stupid
things because they may find them useful.

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