From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B841C4320E for ; Mon, 23 Aug 2021 10:13:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5723561051 for ; Mon, 23 Aug 2021 10:13:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234510AbhHWKOZ (ORCPT ); Mon, 23 Aug 2021 06:14:25 -0400 Received: from mail-vs1-f50.google.com ([209.85.217.50]:39455 "EHLO mail-vs1-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232890AbhHWKOY (ORCPT ); Mon, 23 Aug 2021 06:14:24 -0400 Received: by mail-vs1-f50.google.com with SMTP id e9so10719571vst.6; Mon, 23 Aug 2021 03:13:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=QGWlxXbqp4C9V0pOALutj8L5f0IIEa5u3E7vAfklyGo=; b=SIi2V6dyjKIL/fg+PPR92B32IH5ZqM6GbyIP1iquL64x6g9uMeLmGR3icsh4ME06dz WL4kmPrRm4OgnqIi6UCv5lwetbC9ByeOgijrE8Odt0jH06lou5V0NrVrSFK4ZtHYSdAc dDzZ+Uh2Owj9Fp2bQWuBPgIGjmV9IgPhrlEtF9Ia8YWVejqoTngHZlSUQ5xcUXmjXNS+ qyVR6yMAaJWvqCE7a79kgin3vWfvWE3noz8ZBN+IQlJTciFWBqoNvyME5EsIxqxSpeSZ haMQbgPJdbuGLyLDkVTIqIZefdAYKHdrkx+PwrQsxHeTQaBz/QMnF+iorsFTQRJHcJsp qLyg== X-Gm-Message-State: AOAM530Y6/PLy3pogCZt663u6PjFJelhQX+s5KS0Xn6uuuz143EATOjs T4v/FB2UkNfsQXpINWtD5DvWfrHbVDi7P0yBjao= X-Google-Smtp-Source: ABdhPJyH0E1pyhC89wWPYYQoaEHA/nfpaJPSksxoQnbMkworBUBLdcC7hq0D2zToet9d4s7ykx8MrywnipUtR++lG+Q= X-Received: by 2002:a67:6e86:: with SMTP id j128mr22666984vsc.26.1629713621125; Mon, 23 Aug 2021 03:13:41 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Geert Uytterhoeven Date: Mon, 23 Aug 2021 12:13:29 +0200 Message-ID: Subject: Re: [PATCH v5 0/9] Add generic support for kdump DT properties To: Rob Herring Cc: Russell King , Nicolas Pitre , Ard Biesheuvel , Linus Walleij , Catalin Marinas , Will Deacon , Thomas Bogendoerfer , Nick Kossifidis , Paul Walmsley , Palmer Dabbelt , Albert Ou , Frank Rowand , Dave Young , Baoquan He , Vivek Goyal , Mike Rapoport , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Linux ARM , "open list:BROADCOM NVRAM DRIVER" , linux-riscv , kexec@lists.infradead.org, Linux-Renesas , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Rob, On Sun, Aug 15, 2021 at 5:25 PM Rob Herring wrote: > On Wed, Aug 11, 2021 at 10:50:58AM +0200, Geert Uytterhoeven wrote: > > This patch series adds generic support for parsing DT properties related > > to crash dump kernels ("linux,elfcorehdr" and "linux,elfcorehdr" under > > the "/chosen" node), makes use of it on arm32, and performs a few > > cleanups. It is an evolution of the combination of [1] and [2]. > > The DT bits look fine to me. How do you expect this to be merged? I'm > happy to take it if arch maintainers can ack it. I had hoped you could take the series... > > The series consists of 6 parts: > > 1. Patch 1 prepares architecture-specific code (needed for MIPS only) > > to avoid duplicating elf core header reservation later. > > 2. Patch 2 prepares the visibility of variables used to hold > > information retrieved from the DT properties. > > 3. Patches 3-5 add support to the FDT core for handling the > > properties. > > This can co-exist safely with architecture-specific handling, until > > the latter has been removed. > > Looks like patch 5 doesn't have any dependencies with the series? Indeed. So you can take it independently. > > 4. Patch 6 removes the non-standard handling of "linux,elfcorehdr" on > > riscv. > > I thought this should be applied for 5.14? Me too, but unfortunately that hasn't happened yet... > > 5. Patches 7-8 convert arm64 to use the generic handling instead of > > its own implementation. > > 6. Patch 9 adds support for kdump properties to arm32. > > The corresponding patch for kexec-tools is "[PATCH] arm: kdump: Add > > DT properties to crash dump kernel's DTB"[3], which is still valid. > > This one can be applied on its own, right? While that wouldn't break anything (i.e. no regression), it still wouldn't work if the DT properties are present, and the now-legacy "mem=" kernel command line parameter is not. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B46D5C432BE for ; Mon, 23 Aug 2021 10:14:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7B0FD6138B for ; Mon, 23 Aug 2021 10:14:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 7B0FD6138B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=MytbOX436EcJqMNfBZwZ4db83kwwZ2aLU10wnFpAFYU=; b=nyrmRQFVMGsLqj xTfvM8IFZD+naDm+En5qm9RKhFrgirlVTRuc2a6JXV+UAbvTNTK3KkULMhdomzrDklg9QIYkz6Rew Dno6QKw6muGb14hpw2Mgfw2/vHe/eW85SH8RdT51CXeDql4DmE8hFMPMHnag/mnOfES/s09SVeocB uP9oWZ4X0d+NBAqDLotOfdPd42Shs1K37sidoOhd/08Hk+PtFYwLo52cTotmAq614wwDFNvykZkUp U2Pw463KddHzGOMnGjx2A247EDytWU40a6p0IzzN9Rrq6vLugYeCa0D8aQTgq9ya53cIiqnIkZ+N7 mPSHDmL7m11wz5ny55NQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mI6xv-00GIWc-VV; Mon, 23 Aug 2021 10:14:03 +0000 Received: from mail-vs1-f53.google.com ([209.85.217.53]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mI6xf-00GIPU-Oe; Mon, 23 Aug 2021 10:13:49 +0000 Received: by mail-vs1-f53.google.com with SMTP id h29so8396976vsr.7; Mon, 23 Aug 2021 03:13:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=QGWlxXbqp4C9V0pOALutj8L5f0IIEa5u3E7vAfklyGo=; b=XTJVfyO/aJHGCAT6g0PbK9tuiMlp2mhJmVSbfa+9XF94oFs9FsMoKM7+YF+/fnxhYA 5VIhyO4TYxno1vuYisb3wwfHY+t6n28qsX9ZSFMCgdB9VJSX37g9FEHfAxf4Y8kkVWgB TF3DV6VlhXf3WlEy5JHcbrSpwPMeZvOteADMgeAbVpv8IZSNXxJt5sk2QlCiv73hjsKd daaTnD05Y71C1CscLQzF4fEhvz/0xSkXIQJEGer2VnSBMwF+7f+cbsUkBJz0SjgALrFv CrhF84LMzzpEx3AbMn+SGoRSXK57W03bwIyBV5R4i1zzubU9x+eRyKLAOM06TDhBntY/ kJjQ== X-Gm-Message-State: AOAM533LXbqcbtLfsuVa3cimjPLVbklFUNQtCJjzNlPEMZNoWD6VWGJ6 7P1I32hCUNzQ+RBvhB1EXjXIA2ckqbfe2E1jJdo= X-Google-Smtp-Source: ABdhPJyH0E1pyhC89wWPYYQoaEHA/nfpaJPSksxoQnbMkworBUBLdcC7hq0D2zToet9d4s7ykx8MrywnipUtR++lG+Q= X-Received: by 2002:a67:6e86:: with SMTP id j128mr22666984vsc.26.1629713621125; Mon, 23 Aug 2021 03:13:41 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Geert Uytterhoeven Date: Mon, 23 Aug 2021 12:13:29 +0200 Message-ID: Subject: Re: [PATCH v5 0/9] Add generic support for kdump DT properties To: Rob Herring Cc: Russell King , Nicolas Pitre , Ard Biesheuvel , Linus Walleij , Catalin Marinas , Will Deacon , Thomas Bogendoerfer , Nick Kossifidis , Paul Walmsley , Palmer Dabbelt , Albert Ou , Frank Rowand , Dave Young , Baoquan He , Vivek Goyal , Mike Rapoport , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Linux ARM , "open list:BROADCOM NVRAM DRIVER" , linux-riscv , kexec@lists.infradead.org, Linux-Renesas , Linux Kernel Mailing List X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210823_031347_875587_DF73B6FD X-CRM114-Status: GOOD ( 35.78 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Hi Rob, On Sun, Aug 15, 2021 at 5:25 PM Rob Herring wrote: > On Wed, Aug 11, 2021 at 10:50:58AM +0200, Geert Uytterhoeven wrote: > > This patch series adds generic support for parsing DT properties related > > to crash dump kernels ("linux,elfcorehdr" and "linux,elfcorehdr" under > > the "/chosen" node), makes use of it on arm32, and performs a few > > cleanups. It is an evolution of the combination of [1] and [2]. > > The DT bits look fine to me. How do you expect this to be merged? I'm > happy to take it if arch maintainers can ack it. I had hoped you could take the series... > > The series consists of 6 parts: > > 1. Patch 1 prepares architecture-specific code (needed for MIPS only) > > to avoid duplicating elf core header reservation later. > > 2. Patch 2 prepares the visibility of variables used to hold > > information retrieved from the DT properties. > > 3. Patches 3-5 add support to the FDT core for handling the > > properties. > > This can co-exist safely with architecture-specific handling, until > > the latter has been removed. > > Looks like patch 5 doesn't have any dependencies with the series? Indeed. So you can take it independently. > > 4. Patch 6 removes the non-standard handling of "linux,elfcorehdr" on > > riscv. > > I thought this should be applied for 5.14? Me too, but unfortunately that hasn't happened yet... > > 5. Patches 7-8 convert arm64 to use the generic handling instead of > > its own implementation. > > 6. Patch 9 adds support for kdump properties to arm32. > > The corresponding patch for kexec-tools is "[PATCH] arm: kdump: Add > > DT properties to crash dump kernel's DTB"[3], which is still valid. > > This one can be applied on its own, right? While that wouldn't break anything (i.e. no regression), it still wouldn't work if the DT properties are present, and the now-legacy "mem=" kernel command line parameter is not. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB1CBC4338F for ; Mon, 23 Aug 2021 10:15:49 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9E90E61246 for ; 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Mon, 23 Aug 2021 03:13:41 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Geert Uytterhoeven Date: Mon, 23 Aug 2021 12:13:29 +0200 Message-ID: Subject: Re: [PATCH v5 0/9] Add generic support for kdump DT properties To: Rob Herring Cc: Russell King , Nicolas Pitre , Ard Biesheuvel , Linus Walleij , Catalin Marinas , Will Deacon , Thomas Bogendoerfer , Nick Kossifidis , Paul Walmsley , Palmer Dabbelt , Albert Ou , Frank Rowand , Dave Young , Baoquan He , Vivek Goyal , Mike Rapoport , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Linux ARM , "open list:BROADCOM NVRAM DRIVER" , linux-riscv , kexec@lists.infradead.org, Linux-Renesas , Linux Kernel Mailing List X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210823_031347_875587_DF73B6FD X-CRM114-Status: GOOD ( 35.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Rob, On Sun, Aug 15, 2021 at 5:25 PM Rob Herring wrote: > On Wed, Aug 11, 2021 at 10:50:58AM +0200, Geert Uytterhoeven wrote: > > This patch series adds generic support for parsing DT properties related > > to crash dump kernels ("linux,elfcorehdr" and "linux,elfcorehdr" under > > the "/chosen" node), makes use of it on arm32, and performs a few > > cleanups. It is an evolution of the combination of [1] and [2]. > > The DT bits look fine to me. How do you expect this to be merged? I'm > happy to take it if arch maintainers can ack it. I had hoped you could take the series... > > The series consists of 6 parts: > > 1. Patch 1 prepares architecture-specific code (needed for MIPS only) > > to avoid duplicating elf core header reservation later. > > 2. Patch 2 prepares the visibility of variables used to hold > > information retrieved from the DT properties. > > 3. Patches 3-5 add support to the FDT core for handling the > > properties. > > This can co-exist safely with architecture-specific handling, until > > the latter has been removed. > > Looks like patch 5 doesn't have any dependencies with the series? Indeed. So you can take it independently. > > 4. Patch 6 removes the non-standard handling of "linux,elfcorehdr" on > > riscv. > > I thought this should be applied for 5.14? Me too, but unfortunately that hasn't happened yet... > > 5. Patches 7-8 convert arm64 to use the generic handling instead of > > its own implementation. > > 6. Patch 9 adds support for kdump properties to arm32. > > The corresponding patch for kexec-tools is "[PATCH] arm: kdump: Add > > DT properties to crash dump kernel's DTB"[3], which is still valid. > > This one can be applied on its own, right? While that wouldn't break anything (i.e. no regression), it still wouldn't work if the DT properties are present, and the now-legacy "mem=" kernel command line parameter is not. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: MIME-Version: 1.0 References: In-Reply-To: From: Geert Uytterhoeven Date: Mon, 23 Aug 2021 12:13:29 +0200 Message-ID: Subject: Re: [PATCH v5 0/9] Add generic support for kdump DT properties List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Rob Herring Cc: Russell King , Nicolas Pitre , Ard Biesheuvel , Linus Walleij , Catalin Marinas , Will Deacon , Thomas Bogendoerfer , Nick Kossifidis , Paul Walmsley , Palmer Dabbelt , Albert Ou , Frank Rowand , Dave Young , Baoquan He , Vivek Goyal , Mike Rapoport , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Linux ARM , "open list:BROADCOM NVRAM DRIVER" , linux-riscv , kexec@lists.infradead.org, Linux-Renesas , Linux Kernel Mailing List Hi Rob, On Sun, Aug 15, 2021 at 5:25 PM Rob Herring wrote: > On Wed, Aug 11, 2021 at 10:50:58AM +0200, Geert Uytterhoeven wrote: > > This patch series adds generic support for parsing DT properties related > > to crash dump kernels ("linux,elfcorehdr" and "linux,elfcorehdr" under > > the "/chosen" node), makes use of it on arm32, and performs a few > > cleanups. It is an evolution of the combination of [1] and [2]. > > The DT bits look fine to me. How do you expect this to be merged? I'm > happy to take it if arch maintainers can ack it. I had hoped you could take the series... > > The series consists of 6 parts: > > 1. Patch 1 prepares architecture-specific code (needed for MIPS only) > > to avoid duplicating elf core header reservation later. > > 2. Patch 2 prepares the visibility of variables used to hold > > information retrieved from the DT properties. > > 3. Patches 3-5 add support to the FDT core for handling the > > properties. > > This can co-exist safely with architecture-specific handling, until > > the latter has been removed. > > Looks like patch 5 doesn't have any dependencies with the series? Indeed. So you can take it independently. > > 4. Patch 6 removes the non-standard handling of "linux,elfcorehdr" on > > riscv. > > I thought this should be applied for 5.14? Me too, but unfortunately that hasn't happened yet... > > 5. Patches 7-8 convert arm64 to use the generic handling instead of > > its own implementation. > > 6. Patch 9 adds support for kdump properties to arm32. > > The corresponding patch for kexec-tools is "[PATCH] arm: kdump: Add > > DT properties to crash dump kernel's DTB"[3], which is still valid. > > This one can be applied on its own, right? While that wouldn't break anything (i.e. no regression), it still wouldn't work if the DT properties are present, and the now-legacy "mem=" kernel command line parameter is not. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec