Messages in this thread | | | Subject | Re: [RFC PATCH 0/3] irq: Fix stack overflow due to softirq called on current stack | From | Benjamin Herrenschmidt <> | Date | Fri, 06 Sep 2013 08:18:24 +1000 |
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On Thu, 2013-09-05 at 17:33 +0200, Frederic Weisbecker wrote: > Hi, > > This series is a proposition to fix the crash reported here: http://lkml.kernel.org/r/1378330796.4321.50.camel%40pasglop > And it has the upside to also consolidate a bit the arch do_softirq overriden implementation. > > Only tested in x86-64 for now.
Thanks. I'm off for a few days, Paul can you give that a spin ? My understanding is that the crash was fairly reproduceable... which makes me wonder what are the chances to get RH to pick that series up for RHEL7...
Cheers, Ben.
> Thanks. > > Frederic Weisbecker (3): > irq: Consolidate do_softirq() arch overriden implementations > irq: Execute softirq on its own stack on irq exit > irq: Comment on the use of inline stack for ksoftirq > > arch/metag/kernel/irq.c | 56 +++++++++++++++++------------------------ > arch/parisc/kernel/irq.c | 17 +----------- > arch/powerpc/kernel/irq.c | 17 +----------- > arch/s390/kernel/irq.c | 52 +++++++++++++++---------------------- > arch/sh/kernel/irq.c | 60 ++++++++++++++++++------------------------- > arch/sparc/kernel/irq_64.c | 31 +++++++--------------- > arch/x86/kernel/irq_32.c | 34 +++++++++---------------- > arch/x86/kernel/irq_64.c | 18 ++----------- > include/linux/interrupt.h | 11 ++++++++ > kernel/softirq.c | 10 +++---- > 10 files changed, 112 insertions(+), 194 deletions(-) >
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