Excerpts from andrew.donnellan's message of 2016-06-30 15:15:02 +1000: > On 30/06/16 15:00, Michael Ellerman wrote: > > On Thu, 2016-06-30 at 08:28 +1000, Andrew Donnellan wrote: > >> On 30/06/16 04:55, Ian Munsie wrote: > >>> > >>> From: Ian Munsie <imun...@au1.ibm.com> > >>> > >>> If a kernel context is initialised and does not have any AFU interrupts > >>> allocated it will cause a NULL pointer dereference when the context is > >>> detached since the irq_names list will not have been initialised. > >>> > >>> Move the initialisation of the irq_names list into the cxl_context_init > >>> routine so that it will be valid for the entire lifetime of the context > >>> and will not cause a NULL pointer dereference. > >>> > >>> Signed-off-by: Ian Munsie <imun...@au1.ibm.com> > > > >> As it's nice having your machine not crash on every shutdown... > > > > Fixes: ???? > > Ian can correct me if I'm wrong, but I suspect this doesn't affect > cxlflash (the only current user of the cxl kernel API) - this issue was > hit while working on CAPI support for mlx5.
Correct - no current user hits this bug, but the upcoming mlx5 support does because of the way it uses interrupts. -Ian _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
