On Tue, 2013-09-24 at 04:44 +0200, Frederic Weisbecker wrote: > So the safest way to fix this is to unconditionally call do_softirq() > from irq_exit(). > A performance penalty may come along but safety primes. > > We should probably do that and work on longer term solutions (Kconfig > based arch switch, etc...) > for the next merge window?
As you prefer, though I'm keen on getting the "fast" version in RHEL7 if RH will take it :-) >From the generic code POV, it's a one-liner #ifdef to select between do_softirq and __do_softirq() right ? Then it's up to the arch to #define I_CAN_DO_FAST ! > I'll respin the series plus the regression fix, unless somebody has a > better solution. Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
