> On Apr 20, 2015, at 1:17 PM, Andrew Morton <[email protected]> wrote: > >> On Fri, 17 Apr 2015 14:00:04 -0400 Chris Metcalf <[email protected]> wrote: >> >> bitmap_parselist("", &mask, nmaskbits) will erroneously set bit >> zero in the mask. The same bug is visible in cpumask_parselist() >> since it is layered on top of the bitmask code, e.g. if you boot with >> "isolcpus=", you will actually end up with cpu zero isolated. >> >> The bug was introduced in commit 4b060420a596 ("bitmap, irq: add >> smp_affinity_list interface to /proc/irq") when bitmap_parselist() >> was generalized to support userspace as well as kernelspace. >> >> Signed-off-by: Chris Metcalf <[email protected]> >> Cc: [email protected] > > I don't think we need to backport a fix for a 4 year old bug which has > very minor consequences. Am I wrong?
I don't have a strong feeling on this one. My guess is it's trivial to backport but also very low impact so either way is pretty reasonable. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
