Re: [PATCH] Important per-cpu fix.

From: William Lee Irwin III (wli@holomorphy.com)
Date: Tue Sep 03 2002 - 22:42:12 EST


On Wed, Sep 04, 2002 at 12:35:41PM +1000, Rusty Russell wrote:
> Frankly, I'm amazed the kernel worked for long without this.
> Every linker script thinks the section is called .data.percpu.
> Without this patch, every CPU ends up sharing the same "per-cpu"
> variable.
> This might explain the wierd per-cpu problem reports from Andrew and
> Dave, and also that nagging feeling that I'm an idiot...

Hmm, 2.5.33 is doing some *really* weird crap. OTOH it doesn't appear
to be tripping the BUG() in softirq.c, and disks seem to be doing okay.
It survived 4 parallel mkfs's. I'll follow up with some kind of
bugreport on the PCI and/or starfire.c front in a separate post.

Cheers,
Bill
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