linux-kernel - RE: [PATCH V7 0/2] remoteproc: support self recovery

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Message-ID: <DU0PR04MB94171E5A5D7EFD79E3C2D950884C9@DU0PR04MB9417.eurprd04.prod.outlook.com>
Date:   Tue, 20 Sep 2022 06:34:18 +0000
From:   Peng Fan <peng.fan@....com>
To:     Peng Fan <peng.fan@....com>,
        "andersson@...nel.org" <andersson@...nel.org>,
        "mathieu.poirier@...aro.org" <mathieu.poirier@...aro.org>,
        "arnaud.pouliquen@...s.st.com" <arnaud.pouliquen@...s.st.com>
CC:     "linux-remoteproc@...r.kernel.org" <linux-remoteproc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH V7 0/2] remoteproc: support self recovery

Correct Bjorn's mail address.

> Subject: RE: [PATCH V7 0/2] remoteproc: support self recovery
> 
> Hi Bjorn, Mathieu
> 
> It almost two and a half month until now, I not got any response.
> You accept or not accept or suggestion?
> 
> In V6, I got a typo  comment from Arnaud, then Mathieu replied dropped.
> 
> In V7, I add A-b from Arnaud and no more response.
> 
> I not understand why ignoring me.
> 

Regards,
Peng.
> Regards,
> Peng.
> 
> > Subject: [PATCH V7 0/2] remoteproc: support self recovery
> >
> > From: Peng Fan <peng.fan@....com>
> >
> > V7:
> >  Per comments from Arnaud Pouliquen:
> >    Typo fixes
> >    Added A-b tag
> >
> > V6:
> >  Rename rproc_firmware_recovery to rproc_boot_recovery  Drop the
> > unlock/lock when do reproc_attach_recovery
> >
> > V5:
> >  Rename RPROC_FEAT_ATTACH_RECOVERY to
> > RPROC_FEAT_ATTACH_ON_RECOVERY  Add kerneldoc for rproc features
> Change
> > rproc_set_feature to return int type and add a max feature check Use
> > __rproc_detach and __rproc_attach when do attach recovery
> >
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatc
> > hwork.kernel.org%2Fproject%2Flinux-
> &amp;data=05%7C01%7Cpeng.fan%40nxp.
> >
> com%7C9dfde1d27090471a892208da9ab7bede%7C686ea1d3bc2b4c6fa92c
> d99c5c301
> >
> 635%7C0%7C0%7C637992411213950582%7CUnknown%7CTWFpbGZsb3d8e
> yJWIjoiMC4wL
> >
> jAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C
> %7C%7C&
> >
> amp;sdata=LHIDdh2f%2BKYD2dJmiEqBGV0D5p4qgiay5KhvuTdDjHQ%3D&a
> mp;reserve
> > d=0 remoteproc/cover/20220615032048.465486-1-
> peng.fan@....nxp.com/
> >
> > V4:
> >   Based on Bjorn's comments on V2-2
> >   Move the rproc_has_feature/rproc_set_feature to
> > remoteproc_internal.h and  Keep rproc_features still in remoteproc.h,
> > because we use RPROC_MAX_FEATURES to declare bitmap.
> >   Update commit log for patch 2/2, and add comments
> >
> >
> >
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatc
> > hwork.kernel.org%2Fproject%2Flinux-
> &amp;data=05%7C01%7Cpeng.fan%40nxp.
> >
> com%7C9dfde1d27090471a892208da9ab7bede%7C686ea1d3bc2b4c6fa92c
> d99c5c301
> >
> 635%7C0%7C0%7C637992411213950582%7CUnknown%7CTWFpbGZsb3d8e
> yJWIjoiMC4wL
> >
> jAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C
> %7C%7C&
> >
> amp;sdata=LHIDdh2f%2BKYD2dJmiEqBGV0D5p4qgiay5KhvuTdDjHQ%3D&a
> mp;reserve
> > d=0 remoteproc/cover/20220323034405.976643-1-
> peng.fan@....nxp.com/
> >
> > V3:
> >  Resend the wrong labeled patchset
> >
> >
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatc
> > hwork.kernel.org%2Fproject%2Flinux-
> &amp;data=05%7C01%7Cpeng.fan%40nxp.
> >
> com%7C9dfde1d27090471a892208da9ab7bede%7C686ea1d3bc2b4c6fa92c
> d99c5c301
> >
> 635%7C0%7C0%7C637992411213950582%7CUnknown%7CTWFpbGZsb3d8e
> yJWIjoiMC4wL
> >
> jAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C
> %7C%7C&
> >
> amp;sdata=LHIDdh2f%2BKYD2dJmiEqBGV0D5p4qgiay5KhvuTdDjHQ%3D&a
> mp;reserve
> > d=0
> > remoteproc/list/?series=621311
> >
> >  Write a cover-letter
> >  To i.MX8QM/QXP, they have a M4 core self-recovery capability without
> > Linux loading firmware. The self recovery is done by  SCU(System
> > Control Unit). Current remoteproc framework only support Linux  help
> > recovery remote processor(stop, loading firmware, start). This
> > patchset is support remote processor self recovery(attach recovery).
> >
> >  In order to avoid introducing a new variable(bool
> > support_self_recovery), patch 1 introduce a new function,
> > rproc_has_feature to make code easy to extend, cleaner, such as we
> > could move "bool has_iommu" to rproc_has_feature(rproc,
> RPROC_FEAT_IOMMU).
> >
> >  Patch 2 is introduce a new function rproc_attach_recovery for  self
> > recovery, the original logic move to rproc_firmware_recovery meaning
> > needs linux to help recovery.
> >
> >  V2-version 2:
> >
> >
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatc
> > hwork.kernel.org%2Fproject%2Flinux-
> &amp;data=05%7C01%7Cpeng.fan%40nxp.
> >
> com%7C9dfde1d27090471a892208da9ab7bede%7C686ea1d3bc2b4c6fa92c
> d99c5c301
> >
> 635%7C0%7C0%7C637992411213950582%7CUnknown%7CTWFpbGZsb3d8e
> yJWIjoiMC4wL
> >
> jAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C
> %7C%7C&
> >
> amp;sdata=LHIDdh2f%2BKYD2dJmiEqBGV0D5p4qgiay5KhvuTdDjHQ%3D&a
> mp;reserve
> > d=0
> > remoteproc/list/?series=621311
> >  Introduce rproc_has_feature
> >
> >  V2-version 1:
> >
> >
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatc
> > hwork.kernel.org%2Fproject%2Flinux-
> &amp;data=05%7C01%7Cpeng.fan%40nxp.
> >
> com%7C9dfde1d27090471a892208da9ab7bede%7C686ea1d3bc2b4c6fa92c
> d99c5c301
> >
> 635%7C0%7C0%7C637992411213950582%7CUnknown%7CTWFpbGZsb3d8e
> yJWIjoiMC4wL
> >
> jAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C
> %7C%7C&
> >
> amp;sdata=LHIDdh2f%2BKYD2dJmiEqBGV0D5p4qgiay5KhvuTdDjHQ%3D&a
> mp;reserve
> > d=0 remoteproc/patch/20220126085120.3397450-1-
> peng.fan@....nxp.com/
> >  Nothing change in V2.
> >  Only move this patch out from
> >
> >
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatc
> > hwork.kernel.org%2Fproject%2Flinux-
> &amp;data=05%7C01%7Cpeng.fan%40nxp.
> >
> com%7C9dfde1d27090471a892208da9ab7bede%7C686ea1d3bc2b4c6fa92c
> d99c5c301
> >
> 635%7C0%7C0%7C637992411213950582%7CUnknown%7CTWFpbGZsb3d8e
> yJWIjoiMC4wL
> >
> jAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C
> %7C%7C&
> >
> amp;sdata=LHIDdh2f%2BKYD2dJmiEqBGV0D5p4qgiay5KhvuTdDjHQ%3D&a
> mp;reserve
> > d=0
> > remoteproc/list/?series=604364
> >
> >
> > Peng Fan (2):
> >   remoteproc: introduce rproc features
> >   remoteproc: support attach recovery after rproc crash
> >
> >  drivers/remoteproc/remoteproc_core.c     | 62 ++++++++++++++++--------
> >  drivers/remoteproc/remoteproc_internal.h | 15 ++++++
> >  include/linux/remoteproc.h               | 16 ++++++
> >  3 files changed, 74 insertions(+), 19 deletions(-)
> >
> > --
> > 2.25.1