From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Subject: Re: [PATCH v7 0/4] support reserving crashkernel above 4G on arm64 kdump References: <20191223152349.180172-1-chenzhou10@huawei.com> From: chenzhou Message-ID: Date: Wed, 20 May 2020 11:30:43 +0800 MIME-Version: 1.0 In-Reply-To: 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: Arnd Bergmann Cc: Simon Horman , john.p.donnelly@oracle.com, Will Deacon , "open list:DOCUMENTATION" , Catalin Marinas , Bhupesh Sharma , kexec@lists.infradead.org, "linux-kernel@vger.kernel.org" , Ingo Molnar , James Morse , Thomas Gleixner , pkushwaha@marvell.com, Dave Young , Linux ARM Hi Arnd, On 2020/5/19 18:21, Arnd Bergmann wrote: > On Thu, Mar 26, 2020 at 4:10 AM Chen Zhou wrote: >> Hi all, >> >> Friendly ping... > I was asked about this patch series, and see that you last posted it in > December. I think you should rebase it to linux-5.7-rc6 and post the > entire series again to make progress, as it's unlikely that any maintainer > would pick up the patches from last year. > > For the contents, everything seems reasonable to me, but I noticed that > you are adding a property to the /chosen node without adding the > corresponding documentation to > Documentation/devicetree/bindings/chosen.txt > > Please add that, and Cc the devicetree maintainers on the updated > patch. > > Arnd Thanks for your review and comments, i will rebase it to linux-5.7-rc6 and add the corresponding documentation. Thanks, Chen Zhou >> On 2019/12/23 23:23, Chen Zhou wrote: >>> This patch series enable reserving crashkernel above 4G in arm64. >>> >>> There are following issues in arm64 kdump: >>> 1. We use crashkernel=X to reserve crashkernel below 4G, which will fail >>> when there is no enough low memory. >>> 2. Currently, crashkernel=Y@X can be used to reserve crashkernel above 4G, >>> in this case, if swiotlb or DMA buffers are required, crash dump kernel >>> will boot failure because there is no low memory available for allocation. >>> >>> The previous changes and discussions can be retrieved from: >>> >>> Changes since [v6] >>> - Fix build errors reported by kbuild test robot. > ... > > . > _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec