From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.linuxfoundation.org ([140.211.169.12]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1ez8qc-0004Vt-DN for kexec@lists.infradead.org; Thu, 22 Mar 2018 22:38:15 +0000 Date: Thu, 22 Mar 2018 15:38:02 -0700 From: Andrew Morton Subject: Re: [PATCH 0/2] Kexec_file: Load kernel at top of system ram Message-Id: <20180322153802.0763bb46978c0c1a3d3f11c0@linux-foundation.org> In-Reply-To: <20180322033722.9279-1-bhe@redhat.com> References: <20180322033722.9279-1-bhe@redhat.com> Mime-Version: 1.0 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: Baoquan He Cc: prudo@linux.vnet.ibm.com, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, takahiro.akashi@linaro.org, ebiederm@xmission.com, dyoung@redhat.com, vgoyal@redhat.com On Thu, 22 Mar 2018 11:37:20 +0800 Baoquan He wrote: > The current kexec_file ignores kexec_buf.top_down value when call > arch_kexec_walk_mem() to allocate memory for loading kernel/initrd > stuffs. This is not supposed to be what kexec_buf.top_down is used > for. OK, but why is this a problem? When fixing a bug, please fully describe the user-visible effects of that bug. That helps others understand the importance of the fix, whether it should be backported into various kernels, etc. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec