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Message-ID: <ZmqLejL1mblOikLp@kernel.org>
Date: Thu, 13 Jun 2024 09:02:34 +0300
From: Mike Rapoport <rppt@...nel.org>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: Kees Cook <kees@...nel.org>, linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Liam R. Howlett" <Liam.Howlett@...cle.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Lorenzo Stoakes <lstoakes@...il.com>, linux-mm@...ck.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Tony Luck <tony.luck@...el.com>,
	"Guilherme G. Piccoli" <gpiccoli@...lia.com>,
	linux-hardening@...r.kernel.org, Guenter Roeck <linux@...ck-us.net>,
	Ross Zwisler <zwisler@...gle.com>, wklin@...gle.com,
	Vineeth Remanan Pillai <vineeth@...byteword.org>,
	Joel Fernandes <joel@...lfernandes.org>,
	Suleiman Souhlal <suleiman@...gle.com>,
	Linus Torvalds <torvalds@...uxfoundation.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>, Ard Biesheuvel <ardb@...nel.org>
Subject: Re: [PATCH v3 2/2] pstore/ramoops: Add ramoops.mem_name= command
 line option

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@...nel.org> wrote:
> 
> > On Tue, Jun 11, 2024 at 10:49:13AM -0400, Steven Rostedt wrote:
> > > From: "Steven Rostedt (Google)" <rostedt@...dmis.org>
> > > 
> > > 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@...dmis.org>  
> > 
> > Acked-by: Kees Cook <kees@...nel.org>
> > 
> > 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.

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