Re: [PATCH v3 2/2] pstore/ramoops: Add ramoops.mem_name= command line option

From: Mike Rapoport
Date: Thu Jun 13 2024 - 02:04:58 EST


On Wed, Jun 12, 2024 at 02:52:28PM -0400, Steven Rostedt wrote:
> On Wed, 12 Jun 2024 11:45:57 -0700
> Kees Cook <kees@xxxxxxxxxx> wrote:
>
> > On Tue, Jun 11, 2024 at 10:49:13AM -0400, Steven Rostedt wrote:
> > > From: "Steven Rostedt (Google)" <rostedt@xxxxxxxxxxx>
> > >
> > > Add a method to find a region specified by reserve_mem=nn:align:name for
> > > ramoops. Adding a kernel command line parameter:
> > >
> > > reserve_mem=12M:4096:oops ramoops.mem_name=oops
> > >
> > > Will use the size and location defined by the memmap parameter where it
> > > finds the memory and labels it "oops". The "oops" in the ramoops option
> > > is used to search for it.
> > >
> > > This allows for arbitrary RAM to be used for ramoops if it is known that
> > > the memory is not cleared on kernel crashes or soft reboots.
> > >
> > > Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
> >
> > Acked-by: Kees Cook <kees@xxxxxxxxxx>
> >
> > Let me know if this should go via the pstore tree, if you'd rather carry
> > it?
> >
>
> I'm going to send out another version to cover some more comments that
> were made, and perhaps it's best if Mike Rapoport takes it through his
> tree.

I've added one more comment to v5, with that fixed I can take this.

> Thanks!
>
> -- Steve

--
Sincerely yours,
Mike.