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Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1okVyK-00EZTK-17; Mon, 17 Oct 2022 19:40:24 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1okVyH-00EZS6-5c; Mon, 17 Oct 2022 19:40:22 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id EC18C611FE; Mon, 17 Oct 2022 19:40:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9BA86C433D7; Mon, 17 Oct 2022 19:40:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666035619; bh=PoXBeSReIgM+CQoQFfALFgw1SR3n3qlfZ7NKvcrE5EU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dLbdx3qp4igqZeYdoIqsPx9OipZNjUoAH5jTM6hMaf60PyURO4ukHV+fiCMlCstS6 InK/ibE8Wt4PT1Usl94deknM1j9AjVmCyqP9OuwOq2hH007N5KvOVAfbLuhX1ojWhU /hJ2yc8kHTbw2pViQF+1oOE5xW1kiSHft+Cq/Gf2kJN3F6PTRwY00D7mgseDw6oX2b UAgHHWDyHVIBYRKgGUqmbugxXX7qidWPpKcNGf+uaAsCO3fEZAlE93oazPcjUQQz+c pfZ973IIquhBinsUzB5soRIdDqcWZdTMPBLNeXHJ5S4s2Nbef0C91W6qhWRRfR7i1e xm66VcLLXdhvg== Date: Mon, 17 Oct 2022 20:40:11 +0100 From: Conor Dooley To: Xianting Tian Cc: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, anup@brainfault.org, heiko@sntech.de, guoren@kernel.org, mick@ics.forth.gr, alexandre.ghiti@canonical.com, bhe@redhat.com, vgoyal@redhat.com, dyoung@redhat.com, corbet@lwn.net, Conor.Dooley@microchip.com, bagasdotme@gmail.com, kexec@lists.infradead.org, linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, crash-utility@redhat.com, heinrich.schuchardt@canonical.com, k-hagio-ab@nec.com, hschauhan@nulltrace.org, yixun.lan@gmail.com Subject: Re: [PATCH V2 2/2] Documentation: kdump: describe VMCOREINFO export for RISCV64 Message-ID: References: <20221014134139.5151-1-xianting.tian@linux.alibaba.com> <20221014134139.5151-3-xianting.tian@linux.alibaba.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221014134139.5151-3-xianting.tian@linux.alibaba.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221017_124021_330162_C94C76FC X-CRM114-Status: GOOD ( 18.34 ) X-BeenThere: kexec@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: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On Fri, Oct 14, 2022 at 09:41:39PM +0800, Xianting Tian wrote: > The following interrelated definitions and ranges are needed by the kdump > crash tool, they are exported by "arch/riscv/kernel/crash_core.c": > VA_BITS, > PAGE_OFFSET, > phys_ram_base, > MODULES_VADDR ~ MODULES_END, > VMALLOC_START ~ VMALLOC_END, > VMEMMAP_START ~ VMEMMAP_END, > KASAN_SHADOW_START ~ KASAN_SHADOW_END, > KERNEL_LINK_ADDR ~ ADDRESS_SPACE_END > > Document these RISCV64 exports above. > > Signed-off-by: Xianting Tian > --- > .../admin-guide/kdump/vmcoreinfo.rst | 30 +++++++++++++++++++ > 1 file changed, 30 insertions(+) > > diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst > index 6726f439958c..8e2e164cf3db 100644 > --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst > +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst > @@ -595,3 +595,33 @@ X2TLB > ----- > > Indicates whether the crashed kernel enabled SH extended mode. > + > +RISCV64 > +======= > + > +VA_BITS > +------- > + > +The maximum number of bits for virtual addresses. Used to compute the > +virtual memory ranges. > + > +PAGE_OFFSET > +----------- > + > +Indicates the virtual kernel start address of direct-mapped RAM region. Apologies for not seeing this sooner, but should there not be a "the" prior to "direct-mapped"? > + > +phys_ram_base > +------------- > + > +Indicates the start physical RAM address. > + > +MODULES_VADDR|MODULES_END|VMALLOC_START|VMALLOC_END|VMEMMAP_START|VMEMMAP_END|KASAN_SHADOW_START|KASAN_SHADOW_END|KERNEL_LINK_ADDR|ADDRESS_SPACE_END > +---------------------------------------------------------------------------------------------------------------------------------------------------- > + > +Used to get the correct ranges: > + > + * MODULES_VADDR ~ MODULES_END : Kernel module space. > + * VMALLOC_START ~ VMALLOC_END : vmalloc() / ioremap() space. > + * VMEMMAP_START ~ VMEMMAP_END : vmemmap region, used for struct page array. Since I'm in pedant mode, it does look a little odd that you're using region for vmemmap but space for the others but idc that much. Thanks, Conor. > + * KASAN_SHADOW_START ~ KASAN_SHADOW_END : kasan shadow space. > + * KERNEL_LINK_ADDR ~ ADDRESS_SPACE_END : Kernel link and BPF space. > -- > 2.17.1 > > _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec 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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8778FC433FE for ; Mon, 17 Oct 2022 19:40:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230103AbiJQTka (ORCPT ); Mon, 17 Oct 2022 15:40:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55926 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230148AbiJQTk0 (ORCPT ); Mon, 17 Oct 2022 15:40:26 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C4F606C750; Mon, 17 Oct 2022 12:40:22 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B04CBB81A2E; Mon, 17 Oct 2022 19:40:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9BA86C433D7; Mon, 17 Oct 2022 19:40:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666035619; bh=PoXBeSReIgM+CQoQFfALFgw1SR3n3qlfZ7NKvcrE5EU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dLbdx3qp4igqZeYdoIqsPx9OipZNjUoAH5jTM6hMaf60PyURO4ukHV+fiCMlCstS6 InK/ibE8Wt4PT1Usl94deknM1j9AjVmCyqP9OuwOq2hH007N5KvOVAfbLuhX1ojWhU /hJ2yc8kHTbw2pViQF+1oOE5xW1kiSHft+Cq/Gf2kJN3F6PTRwY00D7mgseDw6oX2b UAgHHWDyHVIBYRKgGUqmbugxXX7qidWPpKcNGf+uaAsCO3fEZAlE93oazPcjUQQz+c pfZ973IIquhBinsUzB5soRIdDqcWZdTMPBLNeXHJ5S4s2Nbef0C91W6qhWRRfR7i1e xm66VcLLXdhvg== Date: Mon, 17 Oct 2022 20:40:11 +0100 From: Conor Dooley To: Xianting Tian Cc: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, anup@brainfault.org, heiko@sntech.de, guoren@kernel.org, mick@ics.forth.gr, alexandre.ghiti@canonical.com, bhe@redhat.com, vgoyal@redhat.com, dyoung@redhat.com, corbet@lwn.net, Conor.Dooley@microchip.com, bagasdotme@gmail.com, kexec@lists.infradead.org, linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, crash-utility@redhat.com, heinrich.schuchardt@canonical.com, k-hagio-ab@nec.com, hschauhan@nulltrace.org, yixun.lan@gmail.com Subject: Re: [PATCH V2 2/2] Documentation: kdump: describe VMCOREINFO export for RISCV64 Message-ID: References: <20221014134139.5151-1-xianting.tian@linux.alibaba.com> <20221014134139.5151-3-xianting.tian@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221014134139.5151-3-xianting.tian@linux.alibaba.com> Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Fri, Oct 14, 2022 at 09:41:39PM +0800, Xianting Tian wrote: > The following interrelated definitions and ranges are needed by the kdump > crash tool, they are exported by "arch/riscv/kernel/crash_core.c": > VA_BITS, > PAGE_OFFSET, > phys_ram_base, > MODULES_VADDR ~ MODULES_END, > VMALLOC_START ~ VMALLOC_END, > VMEMMAP_START ~ VMEMMAP_END, > KASAN_SHADOW_START ~ KASAN_SHADOW_END, > KERNEL_LINK_ADDR ~ ADDRESS_SPACE_END > > Document these RISCV64 exports above. > > Signed-off-by: Xianting Tian > --- > .../admin-guide/kdump/vmcoreinfo.rst | 30 +++++++++++++++++++ > 1 file changed, 30 insertions(+) > > diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst > index 6726f439958c..8e2e164cf3db 100644 > --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst > +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst > @@ -595,3 +595,33 @@ X2TLB > ----- > > Indicates whether the crashed kernel enabled SH extended mode. > + > +RISCV64 > +======= > + > +VA_BITS > +------- > + > +The maximum number of bits for virtual addresses. Used to compute the > +virtual memory ranges. > + > +PAGE_OFFSET > +----------- > + > +Indicates the virtual kernel start address of direct-mapped RAM region. Apologies for not seeing this sooner, but should there not be a "the" prior to "direct-mapped"? > + > +phys_ram_base > +------------- > + > +Indicates the start physical RAM address. > + > +MODULES_VADDR|MODULES_END|VMALLOC_START|VMALLOC_END|VMEMMAP_START|VMEMMAP_END|KASAN_SHADOW_START|KASAN_SHADOW_END|KERNEL_LINK_ADDR|ADDRESS_SPACE_END > +---------------------------------------------------------------------------------------------------------------------------------------------------- > + > +Used to get the correct ranges: > + > + * MODULES_VADDR ~ MODULES_END : Kernel module space. > + * VMALLOC_START ~ VMALLOC_END : vmalloc() / ioremap() space. > + * VMEMMAP_START ~ VMEMMAP_END : vmemmap region, used for struct page array. Since I'm in pedant mode, it does look a little odd that you're using region for vmemmap but space for the others but idc that much. Thanks, Conor. > + * KASAN_SHADOW_START ~ KASAN_SHADOW_END : kasan shadow space. > + * KERNEL_LINK_ADDR ~ ADDRESS_SPACE_END : Kernel link and BPF space. > -- > 2.17.1 > > 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 083A8C4332F for ; Mon, 17 Oct 2022 19:40:42 +0000 (UTC) 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:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Mon, 17 Oct 2022 19:40:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666035619; bh=PoXBeSReIgM+CQoQFfALFgw1SR3n3qlfZ7NKvcrE5EU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dLbdx3qp4igqZeYdoIqsPx9OipZNjUoAH5jTM6hMaf60PyURO4ukHV+fiCMlCstS6 InK/ibE8Wt4PT1Usl94deknM1j9AjVmCyqP9OuwOq2hH007N5KvOVAfbLuhX1ojWhU /hJ2yc8kHTbw2pViQF+1oOE5xW1kiSHft+Cq/Gf2kJN3F6PTRwY00D7mgseDw6oX2b UAgHHWDyHVIBYRKgGUqmbugxXX7qidWPpKcNGf+uaAsCO3fEZAlE93oazPcjUQQz+c pfZ973IIquhBinsUzB5soRIdDqcWZdTMPBLNeXHJ5S4s2Nbef0C91W6qhWRRfR7i1e xm66VcLLXdhvg== Date: Mon, 17 Oct 2022 20:40:11 +0100 From: Conor Dooley To: Xianting Tian Cc: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, anup@brainfault.org, heiko@sntech.de, guoren@kernel.org, mick@ics.forth.gr, alexandre.ghiti@canonical.com, bhe@redhat.com, vgoyal@redhat.com, dyoung@redhat.com, corbet@lwn.net, Conor.Dooley@microchip.com, bagasdotme@gmail.com, kexec@lists.infradead.org, linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, crash-utility@redhat.com, heinrich.schuchardt@canonical.com, k-hagio-ab@nec.com, hschauhan@nulltrace.org, yixun.lan@gmail.com Subject: Re: [PATCH V2 2/2] Documentation: kdump: describe VMCOREINFO export for RISCV64 Message-ID: References: <20221014134139.5151-1-xianting.tian@linux.alibaba.com> <20221014134139.5151-3-xianting.tian@linux.alibaba.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221014134139.5151-3-xianting.tian@linux.alibaba.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221017_124021_330162_C94C76FC X-CRM114-Status: GOOD ( 18.34 ) 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 On Fri, Oct 14, 2022 at 09:41:39PM +0800, Xianting Tian wrote: > The following interrelated definitions and ranges are needed by the kdump > crash tool, they are exported by "arch/riscv/kernel/crash_core.c": > VA_BITS, > PAGE_OFFSET, > phys_ram_base, > MODULES_VADDR ~ MODULES_END, > VMALLOC_START ~ VMALLOC_END, > VMEMMAP_START ~ VMEMMAP_END, > KASAN_SHADOW_START ~ KASAN_SHADOW_END, > KERNEL_LINK_ADDR ~ ADDRESS_SPACE_END > > Document these RISCV64 exports above. > > Signed-off-by: Xianting Tian > --- > .../admin-guide/kdump/vmcoreinfo.rst | 30 +++++++++++++++++++ > 1 file changed, 30 insertions(+) > > diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst > index 6726f439958c..8e2e164cf3db 100644 > --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst > +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst > @@ -595,3 +595,33 @@ X2TLB > ----- > > Indicates whether the crashed kernel enabled SH extended mode. > + > +RISCV64 > +======= > + > +VA_BITS > +------- > + > +The maximum number of bits for virtual addresses. Used to compute the > +virtual memory ranges. > + > +PAGE_OFFSET > +----------- > + > +Indicates the virtual kernel start address of direct-mapped RAM region. Apologies for not seeing this sooner, but should there not be a "the" prior to "direct-mapped"? > + > +phys_ram_base > +------------- > + > +Indicates the start physical RAM address. > + > +MODULES_VADDR|MODULES_END|VMALLOC_START|VMALLOC_END|VMEMMAP_START|VMEMMAP_END|KASAN_SHADOW_START|KASAN_SHADOW_END|KERNEL_LINK_ADDR|ADDRESS_SPACE_END > +---------------------------------------------------------------------------------------------------------------------------------------------------- > + > +Used to get the correct ranges: > + > + * MODULES_VADDR ~ MODULES_END : Kernel module space. > + * VMALLOC_START ~ VMALLOC_END : vmalloc() / ioremap() space. > + * VMEMMAP_START ~ VMEMMAP_END : vmemmap region, used for struct page array. Since I'm in pedant mode, it does look a little odd that you're using region for vmemmap but space for the others but idc that much. Thanks, Conor. > + * KASAN_SHADOW_START ~ KASAN_SHADOW_END : kasan shadow space. > + * KERNEL_LINK_ADDR ~ ADDRESS_SPACE_END : Kernel link and BPF space. > -- > 2.17.1 > > _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv