On Tuesday 04 September 2007, Geoff Levand wrote: > From: Masato Noguchi <[EMAIL PROTECTED]> > > Fix a bug that causes the PS3 to hang on the SPU Class 0 interrupt. > > The Cell BE Architecture spec states that the SPU MFC Class 0 interrupt > is delivered as a pulse. The current spu interrupt handler assumes this > behavior and does not clear the interrupt status. > > The PS3 hypervisor visualizes all SPU interrupts as level, and on return > from the interrupt handler the hypervisor will deliver a new virtual > interrupt for any unmasked interrupts which for which the status has not > been cleared. This fix clears the interrupt status in the interrupt > handler.
Right, we have this one in the sdk3.0/2.6.22-arnd2 kernel since I pulled in all of the ps3-linux tree, so it was already part of our testing, and the explanation makes sense, so we should certainly have it upstream. Jeremy, please add this to your patch queue. > Signed-off-by: Masato Noguchi <[EMAIL PROTECTED]> > Signed-off-by: Geoff Levand <[EMAIL PROTECTED]> Acked-by: Arnd Bergmann <[EMAIL PROTECTED]> _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
