> -----Original Message----- > From: Laurence Oberman [mailto:[email protected]] > Sent: Monday, February 05, 2018 9:58 AM > To: Ming Lei <[email protected]>; Jens Axboe <[email protected]>; linux- > [email protected]; Christoph Hellwig <[email protected]>; Mike Snitzer > <[email protected]>; Don Brace <[email protected]> > Cc: [email protected]; Hannes Reinecke <[email protected]>; Arun Easi > <[email protected]>; Omar Sandoval <[email protected]>; Martin K . > Petersen <[email protected]>; James Bottomley > <[email protected]>; Christoph Hellwig <[email protected]>; > Don Brace <[email protected]>; Kashyap Desai > <[email protected]>; Peter Rivera <[email protected]>; > Paolo Bonzini <[email protected]> > Subject: Re: [PATCH V2 8/8] scsi: hpsa: use blk_mq to solve irq affinity issue > > EXTERNAL EMAIL > > > On Mon, 2018-02-05 at 23:20 +0800, Ming Lei wrote: > > This patch uses .force_blk_mq to drive HPSA via SCSI_MQ, meantime > > maps > > each reply queue to blk_mq's hw queue, then .queuecommand can always > > choose the hw queue as the reply queue. And if no any online CPU is > > mapped to one hw queue, request can't be submitted to this hw queue > > at all, finally the irq affinity issue is solved. > > > > Cc: Hannes Reinecke <[email protected]> > > Cc: Arun Easi <[email protected]> > > Cc: Omar Sandoval <[email protected]>, > > Cc: "Martin K. Petersen" <[email protected]>, > > Cc: James Bottomley <[email protected]>, > > Cc: Christoph Hellwig <[email protected]>, > > Cc: Don Brace <[email protected]> > > Cc: Kashyap Desai <[email protected]> > > Cc: Peter Rivera <[email protected]> > > Cc: Paolo Bonzini <[email protected]> > > Cc: Mike Snitzer <[email protected]> > > Tested-by: Laurence Oberman <[email protected]> > > Signed-off-by: Ming Lei <[email protected]> > > --- > > drivers/scsi/hpsa.c | 51 ++++++++++++++++++++++++++++++++++--------- > This is a critical issue on the HPSA because Linus already has the > original commit that causes the system to fail to boot. > > All my testing was on DL380 G7 servers with: > > Hewlett-Packard Company Smart Array G6 controllers > Vendor: HP Model: P410i Rev: 6.64 > > Ming's patch fixes this so we need to try move this along. > > I have a DL380 G8 as well which is also likely exposed here and I added > Don Brace for FYI to this list. > > Thanks Ming
Tested-by: Don Brace <[email protected]> P441, P431, P830i, H240 Acked-by: Don Brace <[email protected]>
