From: Michael Ellerman <mpe@ellerman.id.au> To: Hari Bathini <hbathini@linux.ibm.com>, linuxppc-dev <linuxppc-dev@ozlabs.org> Cc: Ananth N Mavinakayanahalli <ananth@linux.ibm.com>, Mahesh J Salgaonkar <mahesh@linux.ibm.com>, Vasant Hegde <hegdevasant@linux.ibm.com>, Oliver <oohall@gmail.com>, Nicholas Piggin <npiggin@gmail.com>, Daniel Axtens <dja@axtens.net> Subject: Re: [PATCH v5 19/31] powerpc/fadump: Update documentation about OPAL platform support Date: Wed, 04 Sep 2019 21:51:38 +1000 Message-ID: <87y2z4p9dh.fsf@mpe.ellerman.id.au> (raw) In-Reply-To: <156630278711.8896.9799921270260662672.stgit@hbathini.in.ibm.com> Hari Bathini <hbathini@linux.ibm.com> writes: > With FADump support now available on both pseries and OPAL platforms, > update FADump documentation with these details. > > Signed-off-by: Hari Bathini <hbathini@linux.ibm.com> > --- > Documentation/powerpc/firmware-assisted-dump.rst | 104 +++++++++++++--------- > 1 file changed, 63 insertions(+), 41 deletions(-) > > diff --git a/Documentation/powerpc/firmware-assisted-dump.rst b/Documentation/powerpc/firmware-assisted-dump.rst > index d912755..2c3342c 100644 > --- a/Documentation/powerpc/firmware-assisted-dump.rst > +++ b/Documentation/powerpc/firmware-assisted-dump.rst > @@ -72,7 +72,8 @@ as follows: > normal. > > - The freshly booted kernel will notice that there is a new > - node (ibm,dump-kernel) in the device tree, indicating that > + node (ibm,dump-kernel on PSeries or ibm,opal/dump/mpipl-boot > + on OPAL platform) in the device tree, indicating that > there is crash data available from a previous boot. During > the early boot OS will reserve rest of the memory above > boot memory size effectively booting with restricted memory > @@ -96,7 +97,9 @@ as follows: > > Please note that the firmware-assisted dump feature > is only available on Power6 and above systems with recent > -firmware versions. Notice how "recent" has bit rotted. > +firmware versions on PSeries (PowerVM) platform and Power9 > +and above systems with recent firmware versions on PowerNV > +(OPAL) platform. Can we say something more helpful here, ie. "recent" is not very useful. AFAIK it's actually wrong, there isn't a released firmware with the support yet at all, right? Given all the relevant firmware is open source can't we at least point to a commit or release tag or something? cheers
next prev parent reply index Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-20 12:04 [PATCH v5 00/31] Add FADump support on PowerNV platform Hari Bathini 2019-08-20 12:04 ` [PATCH v5 01/31] powerpc/fadump: move internal macros/definitions to a new header Hari Bathini 2019-09-03 11:09 ` Michael Ellerman 2019-09-03 16:05 ` Hari Bathini 2019-08-20 12:04 ` [PATCH v5 02/31] powerpc/fadump: move internal code to a new file Hari Bathini 2019-09-03 11:09 ` Michael Ellerman 2019-09-03 16:05 ` Hari Bathini 2019-09-04 9:02 ` Mahesh Jagannath Salgaonkar 2019-09-04 18:26 ` Hari Bathini 2019-08-20 12:04 ` [PATCH v5 03/31] powerpc/fadump: Improve fadump documentation Hari Bathini 2019-08-20 12:04 ` [PATCH v5 04/31] pseries/fadump: move rtas specific definitions to platform code Hari Bathini 2019-08-20 12:04 ` [PATCH v5 05/31] pseries/fadump: introduce callbacks for platform specific operations Hari Bathini 2019-09-03 11:10 ` Michael Ellerman 2019-09-03 16:06 ` Hari Bathini 2019-09-06 6:39 ` Hari Bathini 2019-08-20 12:04 ` [PATCH v5 06/31] pseries/fadump: define register/un-register callback functions Hari Bathini 2019-09-03 11:10 ` Michael Ellerman 2019-09-03 17:15 ` Hari Bathini 2019-08-20 12:04 ` [PATCH v5 07/31] powerpc/fadump: release all the memory above boot memory size Hari Bathini 2019-09-03 11:10 ` Michael Ellerman 2019-09-03 16:27 ` Hari Bathini 2019-08-20 12:05 ` [PATCH v5 08/31] pseries/fadump: move out platform specific support from generic code Hari Bathini 2019-08-20 12:05 ` [PATCH v5 09/31] powerpc/fadump: use FADump instead of fadump for how it is pronounced Hari Bathini 2019-08-20 12:05 ` [PATCH v5 10/31] opal: add MPIPL interface definitions Hari Bathini 2019-09-03 11:10 ` Michael Ellerman 2019-09-03 16:28 ` Hari Bathini 2019-09-04 11:03 ` Michael Ellerman 2019-09-04 11:05 ` Michael Ellerman 2019-08-20 12:05 ` [PATCH v5 11/31] powernv/fadump: add fadump support on powernv Hari Bathini 2019-09-03 11:10 ` Michael Ellerman 2019-09-03 16:31 ` Hari Bathini 2019-09-04 14:33 ` Hari Bathini 2019-09-05 3:11 ` Michael Ellerman 2019-08-20 12:05 ` [PATCH v5 12/31] powernv/fadump: register kernel metadata address with opal Hari Bathini 2019-09-04 11:25 ` Michael Ellerman 2019-08-20 12:05 ` [PATCH v5 13/31] powernv/fadump: reset metadata address during clean up Hari Bathini 2019-08-27 12:00 ` Hari Bathini 2019-08-20 12:05 ` [PATCH v5 14/31] powernv/fadump: define register/un-register callback functions Hari Bathini 2019-09-05 4:15 ` Michael Ellerman 2019-09-05 7:23 ` Michael Ellerman 2019-09-05 9:54 ` Hari Bathini 2019-08-20 12:05 ` [PATCH v5 15/31] powernv/fadump: support copying multiple kernel boot memory regions Hari Bathini 2019-09-04 11:30 ` Michael Ellerman 2019-09-04 20:20 ` Hari Bathini 2019-09-05 3:13 ` Michael Ellerman 2019-08-20 12:06 ` [PATCH v5 16/31] powernv/fadump: process the crashdump by exporting it as /proc/vmcore Hari Bathini 2019-09-04 11:42 ` Michael Ellerman 2019-09-04 21:01 ` Hari Bathini 2019-08-20 12:06 ` [PATCH v5 17/31] powernv/fadump: Warn before processing partial crashdump Hari Bathini 2019-09-04 11:48 ` Michael Ellerman 2019-08-20 12:06 ` [PATCH v5 18/31] powernv/fadump: handle invalidation of crashdump and re-registraion Hari Bathini 2019-08-20 12:06 ` [PATCH v5 19/31] powerpc/fadump: Update documentation about OPAL platform support Hari Bathini 2019-09-04 11:51 ` Michael Ellerman [this message] 2019-09-04 12:08 ` Oliver O'Halloran 2019-09-05 3:15 ` Michael Ellerman 2019-08-20 12:06 ` [PATCH v5 20/31] powerpc/fadump: use smaller offset while finding memory for reservation Hari Bathini 2019-09-04 11:54 ` Michael Ellerman 2019-08-20 12:06 ` [PATCH v5 21/31] powernv/fadump: process architected register state data provided by firmware Hari Bathini 2019-09-04 12:20 ` Michael Ellerman 2019-09-09 13:23 ` Hari Bathini 2019-09-09 15:33 ` Oliver O'Halloran 2019-09-10 8:48 ` Hari Bathini 2019-09-10 14:05 ` Michael Ellerman 2019-09-10 16:10 ` Hari Bathini 2019-08-20 12:06 ` [PATCH v5 22/31] powerpc/fadump: make crash memory ranges array allocation generic Hari Bathini 2019-08-20 12:06 ` [PATCH v5 23/31] powerpc/fadump: consider reserved ranges while releasing memory Hari Bathini 2019-08-20 12:07 ` [PATCH v5 24/31] powerpc/fadump: improve how crashed kernel's memory is reserved Hari Bathini 2019-08-20 12:07 ` [PATCH v5 25/31] powernv/fadump: add support to preserve crash data on FADUMP disabled kernel Hari Bathini 2019-08-20 12:07 ` [PATCH v5 26/31] powerpc/fadump: update documentation about CONFIG_PRESERVE_FA_DUMP Hari Bathini 2019-08-20 12:07 ` [PATCH v5 27/31] powernv/opalcore: export /sys/firmware/opal/core for analysing opal crashes Hari Bathini 2019-08-20 12:07 ` [PATCH v5 28/31] powernv/opalcore: provide an option to invalidate /sys/firmware/opal/core file Hari Bathini 2019-08-20 12:07 ` [PATCH v5 29/31] powerpc/fadump: consider f/w load area Hari Bathini 2019-08-20 12:07 ` [PATCH v5 30/31] powernv/fadump: update documentation about option to release opalcore Hari Bathini 2019-08-20 12:07 ` [PATCH v5 31/31] powernv/fadump: support holes in kernel boot memory area Hari Bathini
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