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[2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id 41be03b00d2f7-63412e1efecsi1769023a12.752.2024.05.09.10.31.38 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 May 2024 10:31:38 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-174736-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; arc=pass (i=1); spf=pass (google.com: domain of linux-kernel+bounces-174736-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-174736-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id C70E2282D03 for ; Thu, 9 May 2024 17:31:36 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 37E4E376FC; Thu, 9 May 2024 17:31:26 +0000 (UTC) Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A8B9129CF3; Thu, 9 May 2024 17:31:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715275885; cv=none; b=iXMdOtOzQkibsAPqF+5hLnoTi93MWPgvbos9Sw65TKb7+XgKSD74tTAEWP0v4fxLxSCA8zb905HYoh2B8WsZbt8edRh3ZBms8ZDOR9JRWDu4+xtiBBAH0xa+n1Zaajcc6uszu1v4gypjeXtB/Q2Po3CLsfw6DwTrj5ybfhh3Fyg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715275885; c=relaxed/simple; bh=KBr1nzhrVXmAr+eMtxim9nCzLnGrMYiBgpUtlgbJh+I=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Lp8B/rjeep2DKHK02qB05e3Q/ZAMMoB2+hyP6YIPHlBSTRDBEsoUsCjY40kvJ+JF5o33l42jfl4R79qZUMu3bLWHmxPuPO45rRPcYwkEp+P/1dvzAA5gA0m9R+JmP/p+LRCx1c8maXgtDLlC/rW21ME9DsBTfnRdTpN4eovOcFM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8CC7DC32783; Thu, 9 May 2024 17:31:24 +0000 (UTC) Date: Thu, 9 May 2024 13:31:22 -0400 From: Steven Rostedt To: Mike Rapoport Cc: "Guilherme G. Piccoli" , "Luck, Tony" , Kees Cook , Joel Fernandes , "linux-kernel@vger.kernel.org" , "linux-trace-kernel@vger.kernel.org" , Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , "Liam R. Howlett" , Vlastimil Babka , Lorenzo Stoakes , "linux-mm@kvack.org" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "x86@kernel.org" , "H. Peter Anvin" , Peter Zijlstra , "linux-hardening@vger.kernel.org" , Guenter Roeck , Ross Zwisler , "wklin@google.com" , Vineeth Remanan Pillai , Suleiman Souhlal , Linus Torvalds , Catalin Marinas , Will Deacon Subject: Re: [POC][RFC][PATCH 0/2] pstore/mm/x86: Add wildcard memmap to map pstore consistently Message-ID: <20240509133122.474130be@rorschach.local.home> In-Reply-To: <20240509000023.096d4032@rorschach.local.home> References: <20240409210254.660888920@goodmis.org> <20240409172358.34ea19f0@gandalf.local.home> <202404091519.B7B2221@keescook> <3391c693-cf54-526b-79a8-d565e7140947@igalia.com> <20240411154007.5bdf8d95@gandalf.local.home> <20240412132243.053ad096@gandalf.local.home> <20240501105455.42b78a0b@gandalf.local.home> <20240509000023.096d4032@rorschach.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 9 May 2024 00:00:23 -0400 Steven Rostedt wrote: > I tried this approach and it unfortunately picks a different physical > location every time :-( > > So it is either adding to e820 tables or we create a new way to > allocate memory at early boot up. > Hmm, now I'm testing it more and it always seems to end up in the same location. I'm not sure why it failed the first three times I tried it :-/ -- Steve