Hi Thanks to everyone for the clarifications Thanks, Avi > -----Original Message----- > From: Alim Akhtar <alim.akhtar@xxxxxxxxxxx> > Sent: Thursday, July 16, 2020 7:45 PM > To: Avi Shchislowski <Avi.Shchislowski@xxxxxxx>; 'Bart Van Assche' > <bvanassche@xxxxxxx>; daejun7.park@xxxxxxxxxxx; Avri Altman > <Avri.Altman@xxxxxxx>; jejb@xxxxxxxxxxxxx; martin.petersen@xxxxxxxxxx; > asutoshd@xxxxxxxxxxxxxx; beanhuo@xxxxxxxxxx; > stanley.chu@xxxxxxxxxxxx; cang@xxxxxxxxxxxxxx; tomas.winkler@xxxxxxxxx > Cc: linux-scsi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; 'Sang-yoon Oh' > <sangyoon.oh@xxxxxxxxxxx>; 'Sung-Jun Park' > <sungjun07.park@xxxxxxxxxxx>; 'yongmyung lee' > <ymhungry.lee@xxxxxxxxxxx>; 'Jinyoung CHOI' <j- > young.choi@xxxxxxxxxxx>; 'Adel Choi' <adel.choi@xxxxxxxxxxx>; 'BoRam > Shin' <boram.shin@xxxxxxxxxxx> > Subject: RE: [PATCH v6 0/5] scsi: ufs: Add Host Performance Booster Support > > CAUTION: This email originated from outside of Western Digital. Do not click on > links or open attachments unless you recognize the sender and know that the > content is safe. > > > Hi Avi, > > > -----Original Message----- > > From: Avi Shchislowski <Avi.Shchislowski@xxxxxxx> > > Sent: 16 July 2020 15:31 > > To: Bart Van Assche <bvanassche@xxxxxxx>; daejun7.park@xxxxxxxxxxx; > > Avri Altman <Avri.Altman@xxxxxxx>; jejb@xxxxxxxxxxxxx; > > martin.petersen@xxxxxxxxxx; asutoshd@xxxxxxxxxxxxxx; > > beanhuo@xxxxxxxxxx; stanley.chu@xxxxxxxxxxxx; cang@xxxxxxxxxxxxxx; > > tomas.winkler@xxxxxxxxx; ALIM AKHTAR <alim.akhtar@xxxxxxxxxxx> > > Cc: linux-scsi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > > Sang-yoon Oh <sangyoon.oh@xxxxxxxxxxx>; Sung-Jun Park > > <sungjun07.park@xxxxxxxxxxx>; yongmyung lee > > <ymhungry.lee@xxxxxxxxxxx>; Jinyoung CHOI <j- > young.choi@xxxxxxxxxxx>; > > Adel Choi <adel.choi@xxxxxxxxxxx>; BoRam Shin > <boram.shin@xxxxxxxxxxx> > > Subject: RE: [PATCH v6 0/5] scsi: ufs: Add Host Performance Booster > > Support > > > > > > > > > -----Original Message----- > > > From: Bart Van Assche <bvanassche@xxxxxxx> > > > Sent: Thursday, July 16, 2020 4:42 AM > > > To: Avi Shchislowski <Avi.Shchislowski@xxxxxxx>; > > > daejun7.park@xxxxxxxxxxx; Avri Altman <Avri.Altman@xxxxxxx>; > > > jejb@xxxxxxxxxxxxx; martin.petersen@xxxxxxxxxx; > > > asutoshd@xxxxxxxxxxxxxx; beanhuo@xxxxxxxxxx; > > stanley.chu@xxxxxxxxxxxx; > > > cang@xxxxxxxxxxxxxx; tomas.winkler@xxxxxxxxx; ALIM AKHTAR > > > <alim.akhtar@xxxxxxxxxxx> > > > Cc: linux-scsi@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > > > Sang-yoon Oh <sangyoon.oh@xxxxxxxxxxx>; Sung-Jun Park > > > <sungjun07.park@xxxxxxxxxxx>; yongmyung lee > > > <ymhungry.lee@xxxxxxxxxxx>; Jinyoung CHOI <j- > > young.choi@xxxxxxxxxxx>; > > > Adel Choi <adel.choi@xxxxxxxxxxx>; BoRam Shin > > <boram.shin@xxxxxxxxxxx> > > > Subject: Re: [PATCH v6 0/5] scsi: ufs: Add Host Performance Booster > > > Support > > > > > > CAUTION: This email originated from outside of Western Digital. Do > > > not click on links or open attachments unless you recognize the > > > sender and know that the content is safe. > > > > > > > > > On 2020-07-15 11:34, Avi Shchislowski wrote: > > > > My name is Avi Shchislowski, I am managing the WDC's Linux Host > > > > R&D team > > > in which Avri is a member of. > > > > As the review process of HPB is progressing very constructively, > > > > we are getting > > > more and more requests from OEMs, Inquiring about HPB in general, > > > and host control mode in particular. > > > > > > > > Their main concern is that HPB will make it to 5.9 merge window, > > > > but the host > > > control mode patches will not. > > > > Thus, because of recent Google's GKI, the next Android LTS might > > > > not include > > > HPB with host control mode. > > > > > > > > Aside of those requests, initial host control mode testing are > > > > showing > > > promising prospective with respect of performance gain. > > > > > > > > What would be, in your opinion, the best policy that host control > > > > mode is > > > included in next Android LTS? > > > > > > Hi Avi, > > > > > > Are you perhaps referring to the HPB patch series that has already > > > been > > posted? > > > Although I'm not sure of this, I think that the SCSI maintainer > > > expects more > > > Reviewed-by: and Tested-by: tags. Has anyone from WDC already taken > > > the time to review and/or test this patch series? > > > > > > Thanks, > > > > > > Bart. > > > > Yes, I am referring to the current proposal which I am replying to: > > [PATCH v6 0/5] scsi: ufs: Add Host Performance Booster Support This > > proposal does not contains host mode, hence our customers concern. > > What would be, in your opinion, the best policy that host control mode > > is included in next Android LTS assuming it will be based on kernel v5.9 ? > > > This series has nothing to do with Host mode control, this series is targeted for > device mode control. General consensus here is to land this series as it is (unless > someone has more review comments) and lets add/enhance whatever need to > be done for adding Host mode controls as well as other HPB2.0 related changes. > > > Thanks, > > Avi
