Hi Marc, On Fri, Sep 9, 2016 at 11:40 AM, Marc Zyngier <marc.zyngier@xxxxxxx> wrote: > Hi Fabio, > > On 09/09/16 14:44, Fabio Estevam wrote: >> From: Marc Zyngier <marc.zyngier@xxxxxxx> >> >> commit 059e232089e45b0befc9933d31209c225e08b426 upstream. >> >> On systems where a single CPU is present, the GIC may not support >> having SGIs delivered to a target list. In that case, we use the >> self-SGI mechanism to allow the interrupt to be delivered locally. >> >> Cc: <stable@xxxxxxxxxxxxxxx> # 4.7.x >> Tested-by: Fabio Estevam <fabio.estevam@xxxxxxx> >> Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx> >> Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx> > > I'm sorry, but what is the justification for this to be backported to a > stable kernel? It is not a regression, since we never supported this Without this patch imx6ul SoC hangs after a 'reboot' command. > kind of HW before. This is not a workaround for an erratum either. > > If that was a kernel bug, why not backport it all the way the the oldest > stable, instead of limiting it to v4.7? I can send it to 4.4 as well, if you agree. -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html