From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Date: Tue, 16 Apr 2019 15:15:49 +0200 From: Borislav Petkov Subject: Re: [RESEND PATCH v5 0/4] support reserving crashkernel above 4G on arm64 kdump Message-ID: <20190416131549.GD31772@zn.tnic> References: <20190416113519.90507-1-chenzhou10@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190416113519.90507-1-chenzhou10@huawei.com> 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: Chen Zhou Cc: wangkefeng.wang@huawei.com, horms@verge.net.au, ard.biesheuvel@linaro.org, catalin.marinas@arm.com, will.deacon@arm.com, linux-kernel@vger.kernel.org, rppt@linux.ibm.com, linux-mm@kvack.org, takahiro.akashi@linaro.org, mingo@redhat.com, ebiederm@xmission.com, kexec@lists.infradead.org, tglx@linutronix.de, akpm@linux-foundation.org, linux-arm-kernel@lists.infradead.org On Tue, Apr 16, 2019 at 07:35:15PM +0800, Chen Zhou wrote: > When crashkernel is reserved above 4G in memory, kernel should reserve > some amount of low memory for swiotlb and some DMA buffers. So there may > be two crash kernel regions, one is below 4G, the other is above 4G. > > Crash dump kernel reads more than one crash kernel regions via a dtb > property under node /chosen, > linux,usable-memory-range = . Can you please not flood everyone with this patchset every day, and today twice? This is not the frequency with how you send patchsets upstream. See https://www.kernel.org/doc/html/latest/process/submitting-patches.html#don-t-get-discouraged-or-impatient -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec