Re: NUMA-Q breakage 5/7 in_interrupt() race

From: William Lee Irwin III (wli@holomorphy.com)
Date: Fri Jul 12 2002 - 17:53:18 EST


On Fri, Jul 12, 2002 at 03:40:03PM -0700, William Lee Irwin III wrote:
> On smaller machines, bootstrapping proceeds far enough to see races
> in kmaps near generic_file_read() etc. This is precisely the
> in_interrupt() BUG(), but it's quite clear this is happening in
> process context. Not even the smaller machines can survive this.
> That is, it is impossible to run at all without it (or an equivalent).
> Robert, please apply.

Argh, I forgot to credit Rusty Russell (and possibly also Paul Mackerras)
with originally discovering & fixing this.

Cheers,
Bill
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