From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from terminus.zytor.com ([2001:1868:205::10] helo=mail.zytor.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ViHWr-0002gZ-Ht for kexec@lists.infradead.org; Mon, 18 Nov 2013 05:37:45 +0000 In-Reply-To: <20131118052949.GA14532@dhcp-16-126.nay.redhat.com> References: <1384219658.1847.84.camel@misato.fc.hp.com> <52819E71.70201@zytor.com> <20131112075831.GA6213@kroah.com> <20131112080854.GD6999@dhcp-16-126.nay.redhat.com> <20131112083012.GB7708@kroah.com> <5281F6D5.4090700@zytor.com> <20131112095114.GA20100@kroah.com> <20131113005032.GB5069@dhcp-16-126.nay.redhat.com> <20131118022234.GD4025@dhcp-16-126.nay.redhat.com> <52898982.3020200@zytor.com> <20131118052949.GA14532@dhcp-16-126.nay.redhat.com> MIME-Version: 1.0 Subject: Re: [patch 1/3 v2] Add function get_bootparam From: "H. Peter Anvin" Date: Sun, 17 Nov 2013 21:36:26 -0800 Message-ID: <5e236f94-9337-4cdd-a726-295391e4d305@email.android.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=twosheds.infradead.org@lists.infradead.org To: Dave Young Cc: mjg59@srcf.ucam.org, linux-efi@vger.kernel.org, Toshi Kani , Greg KH , x86@kernel.org, kexec@lists.infradead.org, James.Bottomley@HansenPartnership.com, horms@verge.net.au, bp@alien8.de, ebiederm@xmission.com, Ingo Molnar , vgoyal@redhat.com In other words, we didn't catch that one in time. Oh well. Dave Young wrote: >On 11/17/13 at 07:29pm, H. Peter Anvin wrote: >> On 11/17/2013 06:22 PM, Dave Young wrote: >> > On 11/13/13 at 08:50am, Dave Young wrote: >> >> On 11/12/13 at 06:51pm, Greg KH wrote: >> >>> On Tue, Nov 12, 2013 at 01:37:25AM -0800, H. Peter Anvin wrote: >> >>>> On 11/12/2013 12:30 AM, Greg KH wrote: >> >>>>> >> >>>>> And these binary data blobs are a "standard" somewhere, and >will not >> >>>>> change per kernel version change? >> >>>>> >> >>>>> If so, that structure is fine with me. >> >>>>> >> >>>> >> >>>> Correct. The structure is documented in >Documentation/x86/boot.txt, and >> >>>> has been largely invariant (but extended) since the beginning of >Linux. >> >>>> It has sometimes taken some serious work to keep it that way. >> >>> >> >>> Ok, then use the binary sysfs file interface for these blobs, and >> >>> everyone will be happy. >> >> >> >> Since we got an agreement I will move them to sysfs in next >version. >> > >> > I have created one patch for the sysfs part this weekend, bug I'm >hesitating to >> > remove the debugfs part because currently there's already user, I >tend to >> > keep them in debugfs for now. >> > >> > What do you think, Peter? >> > >> >> Yes, it makes sense to keep them for compatibility, at least for now. >> What is the specific user that already exists? > >kexec-tools is using it to setup hardware_subarch.. > >-- >Thanks >Dave -- Sent from my mobile phone. Please pardon brevity and lack of formatting. _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec