From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pf0-f176.google.com ([209.85.192.176]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bTBQ7-0003tk-K0 for kexec@lists.infradead.org; Fri, 29 Jul 2016 17:18:00 +0000 Received: by mail-pf0-f176.google.com with SMTP id h186so34364549pfg.3 for ; Fri, 29 Jul 2016 10:17:38 -0700 (PDT) Date: Fri, 29 Jul 2016 22:47:35 +0530 From: Pratyush Anand Subject: Re: [PATCH v23 0/9] arm64: add kdump support Message-ID: <20160729171735.GC478@localhost.localdomain> References: <20160726075659.2290-1-takahiro.akashi@linaro.org> <20160726080925.GA2363@linaro.org> <1469812107.16559.37.camel@infradead.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1469812107.16559.37.camel@infradead.org> 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: Geoff Levand Cc: Mark Rutland , catalin.marinas@arm.com, will.deacon@arm.com, AKASHI Takahiro , james.morse@arm.com, Ruslan Bilovol , bauerman@linux.vnet.ibm.com, dyoung@redhat.com, kexec@lists.infradead.org, linux-arm-kernel On 29/07/2016:10:08:27 AM, Geoff Levand wrote: > Hi, > > On Fri, 2016-07-29 at 19:26 +0300, Ruslan Bilovol wrote: > > > Also for some reason in case of 'load and kexec the kernel' it > > takes 1-2 minutes to start booting after I do kexec -e, need to > > investigate it further. > > You could try my patch ("purgatory: Change default sha256 > optimization to -O2") in my master branch: Yep, that did bring my 2 Min 30 sec to almost 20 sec, and then it came down to fraction of second after D-cache enabling. ~Pratyush > > https://git.kernel.org/cgit/linux/kernel/git/geoff/kexec-tools.git/log/ > > Other have said it helped. > > -Geoff > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec From mboxrd@z Thu Jan 1 00:00:00 1970 From: panand@redhat.com (Pratyush Anand) Date: Fri, 29 Jul 2016 22:47:35 +0530 Subject: [PATCH v23 0/9] arm64: add kdump support In-Reply-To: <1469812107.16559.37.camel@infradead.org> References: <20160726075659.2290-1-takahiro.akashi@linaro.org> <20160726080925.GA2363@linaro.org> <1469812107.16559.37.camel@infradead.org> Message-ID: <20160729171735.GC478@localhost.localdomain> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 29/07/2016:10:08:27 AM, Geoff Levand wrote: > Hi, > > On Fri, 2016-07-29 at 19:26 +0300, Ruslan Bilovol wrote: > > > Also for some reason in case of 'load and kexec the kernel' it > > takes 1-2 minutes to start booting after I do kexec -e, need to > > investigate it further. > > You could try my patch ("purgatory: Change default sha256 > optimization to -O2") in my master branch: Yep, that did bring my 2 Min 30 sec to almost 20 sec, and then it came down to fraction of second after D-cache enabling. ~Pratyush > > https://git.kernel.org/cgit/linux/kernel/git/geoff/kexec-tools.git/log/ > > Other have said it helped. > > -Geoff > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel