On Wed, Jan 20, 2016 at 10:17:10AM -0700, Jens Axboe wrote: > On 01/20/2016 10:12 AM, Greg KH wrote: > > On Wed, Jan 20, 2016 at 05:48:35AM -0500, Wenbo Wang wrote: > > > From: Wenbo Wang <wenbo.wang@xxxxxxxxxxxx> > > > > > > During reset process, the nvme_dev->bar (ioremapped) may change, > > > so nvmeq->q_db shall be also updated by nvme_init_queue(). > > > > > > Currently nvmeq irq is enabled before queue init, so a spurious > > > interrupt triggered nvme_process_cq may access nvmeq->q_db just > > > before it is updated, this could cause kernel panic. > > > > > > Signed-off-by: Wenbo Wang <wenbo.wang@xxxxxxxxxxxx> > > > Reviewed-by: Wenwei Tao <wenwei.tao@xxxxxxxxxxxx> > > > --- > > > drivers/nvme/host/pci.c | 14 +++++++++----- > > > 1 file changed, 9 insertions(+), 5 deletions(-) > > > > <formletter> > > > > This is not the correct way to submit patches for inclusion in the > > stable kernel tree. Please read Documentation/stable_kernel_rules.txt > > for how to do this properly. > > I'll mark it stable when adding, just ignore it for now. > > -- > Jens Axboe > > > _______________________________________________ > Linux-nvme mailing list > Linux-nvme@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-nvme Ping? -- Johannes Thumshirn Storage jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html