Re: [PATCH] i386 rwlock bug?

Andrea Arcangeli (andrea@suse.de)
Sat, 21 Aug 1999 12:03:41 +0200 (CEST)


On Fri, 20 Aug 1999 manfreds@colorfullife.com wrote:

>if a writer spins (interupts are enabled), then an interrupt occurs,
>then you have a dead-lock.

This is true also with the current code. You must locally disable irqs
before going to spin over a write-lock if some reader can run inside irq
handlers.

Andrea

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