[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 0/3] irqsave/restore improvements
On 21/10/2013 14:41, "Andrew Cooper" <andrew.cooper3@xxxxxxxxxx> wrote: > This series contains two independent but related fixes to do with > irqsave/restore semantics. > > The first patch prevents local_irq_restore() from corrupting system flags. > > The second was constructed using the compile errors from the third patch, > separated for clarity and reordered to prevent bisection problems. > > The third patch uses a BUILD_BUG_ON() to ensure that the flags parameter to > spin_lock_irqsave is wide enough to not trucate the result from > local_irq_save(). > > I have not compile tested on arm, so request that one of the maintainers > explicitly acks the final patch. Any compile failures will almost certainly > be fixed with an int->unsigned long conversion on the affected variable(s). > > Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> > CC: Keir Fraser <keir@xxxxxxx> > CC: Jan Beulich <JBeulich@xxxxxxxx> > CC: Ian Campbell <ian.campbell@xxxxxxxxxx> > CC: Stefano Stabellini <stefano.stabellini@xxxxxxxxxx> > CC: Tim Deegan <tim@xxxxxxx> > CC: George Dunlap <george.dunlap@xxxxxxxxxxxxx> Acked-by: Keir Fraser <keir@xxxxxxx> > -- > 1.7.10.4 > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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