On Mon, Aug 07, 2023 at 06:01:27PM +0530, Mukesh Ojha wrote: > On 7/30/2023 5:14 PM, Krzysztof Kozlowski wrote: > > On 24/07/2023 18:59, Brian Masney wrote: > > > + linux-arm-kernel list > > > > > > On Thu, Jul 20, 2023 at 08:32:24PM +0530, Mukesh Ojha wrote: > > > > Hi Samsung/MTK/Any other SOC vendors, > > > > > > > > This is to bring to your notice that, we (Qualcomm) are working on > > > > upstreaming our minidump solution which is to address the problem of > > > > debugging on field device crashes where collecting entire ddr dump > > > > would not be feasible and collecting minimal data from the ddr would > > > > help in debug direction or even help in root causing issue. > > > > > > > > We have recently posted v4 version here [1] > > > > > > > > Based on comments[2], community is more worried about, if each SOC > > > > vendor come up with their own dumping method today or in future and > > > > whether it can have a common solution to a similar problem faced by > > > > other SOC vendor. > > > > > > > > We wanted to take your feedback if you also encounter a similar problem > > > > or maintain something similar solution in downstream which can be > > > > upstreamed. This will help us in a way to have a common solution in > > > > upstream. > > > > > > > > [1] > > > > https://lore.kernel.org/lkml/10dd2ead-758a-89f0-cda4-70ae927269eb@xxxxxxxxxxx/ > > > > > > > > [2] > > > > https://lore.kernel.org/lkml/CAL_JsqLO9yey2-4FcWsaGxijiS6hGL0SH9VoMuiyei-u9=Cv=w@xxxxxxxxxxxxxx/ > > > > > > Adding the main ARM list to solicit feedback from other silicon > > > manufacturers. > > > > > > The cover sheet on the v4 patch set is available at: > > > https://lore.kernel.org/lkml/1687955688-20809-1-git-send-email-quic_mojha@xxxxxxxxxxx/ > > > > I doubt anyone follows the lists, so at least Cc some maintainers. > > > > +Cc Alim, Kukjin, Vignesh, Nishanth, Matthias. > > Thanks @Krzysztof/@Brian for extending the list. Hi Mukesh, Since no one has responded yet: I suspect your best bet to land the minidump functionality upstream is to refactor it to use the pstore functionality that Rob suggested: https://lore.kernel.org/lkml/CAL_JsqK7MHR09U5h01=Gf1ZLeDVCgZdN-W1hQRH3AX+E94_uUg@xxxxxxxxxxxxxx/ Brian