Messages in this thread | | | Date | Fri, 20 Jan 2006 12:55:43 +0100 | From | Wim Van Sebroeck <> | Subject | Re: [PATCH] powerpc: remove useless spinlock from mpc83xx watchdog |
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All,
> On Iau, 2006-01-19 at 14:48 -0200, Marcelo Tosatti wrote: > > On Thu, Jan 19, 2006 at 09:49:16AM +0000, Alan Cox wrote: > > > > > > f = open("/dev/watchdog", O_RDWR); > > > fork(); > > > while(1) { > > > write(f, "Boing", 5); > > > } > > > > Oops. > > > > At least 50% of the watchdog drivers rely solely on the "wdt_is_open" > > atomic variable and are broken with respect to synchronization. > > What an excellent janitors project
I'll have a look at it from a global point of view.
Greetings, Wim.
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