On Sun, 26 Aug 2007 19:08:58 +0200 Krzysztof Helt <krzysztof.h1@xxxxx> wrote: > From: Krzysztof Helt <krzysztof.h1@xxxxx> > > This patch changes call definitions of the restore_current(void) > to restore_current(int) to force usage of the o0 register. The o0 > register is used internally and compiler must not assume > it is preserved during the call. > > Signed-off-by: Krzysztof Helt <krzysztof.h1@xxxxx> > > --- [...] > The added parameter forces the gcc to > load value into the o0 register before the > restore_current() call thus force reloading it > before the next call. > > I don't know if it has something to do with the crash > in the atomic_add_unless() which I observe sometimes > on SMP kernel (SS20) around the floppy driver load > (just before or just after the text about FDC driver). > I can confirm it after few days of testing because it > happens randomly. > It does not help with this as it happened once again (with the patch applied). Regards, Krzysztof - To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
