Re: [PATCH] udev enhancements to use kernel event queue

From: Olivier Galibert (
Date: Fri Jun 13 2003 - 07:54:17 EST

On Fri, Jun 13, 2003 at 08:44:52AM -0400, Richard B. Johnson wrote:
> FYI, all memory modify operations, not using an intermediate register,
> in 32-bit mode, of a longword or less, on ix86 machines are atomic,
> even without the lock prefix.

Unless you're on SMP. Of course 80386 SMP is not really what people
want to do, but people may compile an "universal" 386 SMP kernel and
run it on a later SMP box.

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This archive was generated by hypermail 2b29 : Sun Jun 15 2003 - 22:00:36 EST