From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZbWDN-0000gb-Gw for kexec@lists.infradead.org; Mon, 14 Sep 2015 16:02:46 +0000 Message-ID: <82a169eb513c54ef5ab49f4c78531752.squirrel@www.codeaurora.org> In-Reply-To: References: <20150627082256.GE21646@localhost.localdomain> <20150703043241.GC21990@dhcppc13.redhat.com> <2c41ac3516494a1cc5d05462494b333b.squirrel@www.codeaurora.org> <20150820112150.GA26132@dhcppc13.redhat.com> <20150821034433.GB26132@dhcppc13.redhat.com> <006bee38a745c1ca9199870ca8cc600b.squirrel@www.codeaurora.org> <20150822035445.GC3013@dhcppc13.redhat.com> <5053347ed9f8e4e245d8438b3a8c981d.squirrel@www.codeaurora.org> <797166011523512cf7099f14770922b4.squirrel@www.codeaurora.org> Date: Mon, 14 Sep 2015 16:02:23 -0000 Subject: Re: [PATCH] makedumpfile: Support ARM64 From: sgoel@codeaurora.org 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: Pratyush Anand Cc: Pratyush Anand , Timur Tabi , Azriel Samson , kexec@lists.infradead.org, sgoel@codeaurora.org, virajm@codeaurora.org, ats-kumagai@wm.jp.nec.com hi Pratyush, Most of the chages are translation level and architecture related. I was able to get this working on Friday for 3 level tables on arm64. I am trying to get this code back to you now. Thanks, Sameer > HI Sameer, > > > On Wed, Sep 9, 2015 at 4:02 AM, wrote: >> Hi Pratush, >> I added the mappings for PMD translations to the vtop function. This >> helped in translating the address to physical. Issues seen: >> 1. If PMD translates to a section. The physical translations does not >> get >> rid of the PMD flags. So, the physical address shows up as invalid and >> code crashes when it tries to read this address from ELF. >> 2. After treating this as a PTE table address, we see a compression of >> around 50%. >> > > Is it possible for you to share the modification you would have done > on top of https://github.com/pratyushanand/makedumpfile.git:arm64_support. > Actually, I have lost track of all the modifications you have done on > top of my changes. > > I would like to review it closely this weekend and will suggest you > whatever I find. > > ~Pratyush > _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec