From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-oa0-f46.google.com ([209.85.219.46]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UhDEK-00053z-3V for kexec@lists.infradead.org; Tue, 28 May 2013 06:17:56 +0000 Received: by mail-oa0-f46.google.com with SMTP id h2so9500943oag.19 for ; Mon, 27 May 2013 23:17:34 -0700 (PDT) Date: Tue, 28 May 2013 01:17:31 -0500 From: Rob Landley Subject: Re: [PATCH v2 2/7] Documentation/devices.txt: Mark /dev/oldmem obsolete In-Reply-To: <51A2BCCB.2090900@cn.fujitsu.com> (from zhangyanfei@cn.fujitsu.com on Sun May 26 20:54:19 2013) Message-Id: <1369721851.2776.37@driftwood> MIME-Version: 1.0 Content-Disposition: inline List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="Flowed"; DelSp="Yes" Sender: "kexec" Errors-To: kexec-bounces+dwmw2=twosheds.infradead.org@lists.infradead.org To: Zhang Yanfei Cc: "kexec@lists.infradead.org" , "linux-kernel@vger.kernel.org" , HATAYAMA Daisuke , Simon Horman , "Eric W. Biederman" , "H. Peter Anvin" , Andrew Morton , Vivek Goyal , Zhang Yanfei T24gMDUvMjYvMjAxMyAwODo1NDoxOSBQTSwgWmhhbmcgWWFuZmVpIHdyb3RlOgo+IOS6jiAyMDEz 5bm0MDXmnIgyN+aXpSAwOTo0NiwgSEFUQVlBTUEgRGFpc3VrZSDlhpnpgZM6Cj4gPiAoMjAxMy8w NS8yNiAxNTozNiksIFpoYW5nIFlhbmZlaSB3cm90ZToKPiA+PiBGcm9tOiBaaGFuZyBZYW5mZWkg PHpoYW5neWFuZmVpQGNuLmZ1aml0c3UuY29tPgo+ID4+Cj4gPj4gU2lnbmVkLW9mZi1ieTogWmhh bmcgWWFuZmVpIDx6aGFuZ3lhbmZlaUBjbi5mdWppdHN1LmNvbT4KPiA+PiBDYzogRGF2ZSBKb25l cyA8ZGF2ZWpAcmVkaGF0LmNvbT4KPiA+PiAtLS0KPiA+PiAgIERvY3VtZW50YXRpb24vZGV2aWNl cy50eHQgfCAgICAzICstLQo+ID4+ICAgMSBmaWxlcyBjaGFuZ2VkLCAxIGluc2VydGlvbnMoKyks IDIgZGVsZXRpb25zKC0pCj4gPj4KPiA+PiBkaWZmIC0tZ2l0IGEvRG9jdW1lbnRhdGlvbi9kZXZp Y2VzLnR4dCBiL0RvY3VtZW50YXRpb24vZGV2aWNlcy50eHQKPiA+PiBpbmRleCAwOGYwMWU3Li5j OGU0MDAyIDEwMDY0NAo+ID4+IC0tLSBhL0RvY3VtZW50YXRpb24vZGV2aWNlcy50eHQKPiA+PiAr KysgYi9Eb2N1bWVudGF0aW9uL2RldmljZXMudHh0Cj4gPj4gQEAgLTEwMCw4ICsxMDAsNyBAQCBZ b3VyIGNvb3BlcmF0aW9uIGlzIGFwcHJlY2lhdGVkLgo+ID4+ICAgICAgICAgICAgMTAgPSAvZGV2 L2FpbyAgICAgICAgQXN5bmNocm9ub3VzIEkvTyBub3RpZmljYXRpb24gIAo+IGludGVyZmFjZQo+ ID4+ICAgICAgICAgICAgMTEgPSAvZGV2L2ttc2cgICAgICAgIFdyaXRlcyB0byB0aGlzIGNvbWUg b3V0IGFzICAKPiBwcmludGsncywgcmVhZHMKPiA+PiAgICAgICAgICAgICAgICAgICAgICAgZXhw b3J0IHRoZSBidWZmZXJlZCBwcmludGsgcmVjb3Jkcy4KPiA+PiAtICAgICAgICAgMTIgPSAvZGV2 L29sZG1lbSAgICBVc2VkIGJ5IGNyYXNoZHVtcCBrZXJuZWxzIHRvIGFjY2Vzcwo+ID4+IC0gICAg ICAgICAgICAgICAgICAgIHRoZSBtZW1vcnkgb2YgdGhlIGtlcm5lbCB0aGF0IGNyYXNoZWQuCj4g Pj4gKyAgICAgICAgIDEyID0gL2Rldi9vbGRtZW0gICAgT0JTT0xFVEUKPiA+Pgo+ID4+ICAgICAx IGJsb2NrICAgIFJBTSBkaXNrCj4gPj4gICAgICAgICAgICAgMCA9IC9kZXYvcmFtMCAgICAgICAg Rmlyc3QgUkFNIGRpc2sKPiA+Pgo+ID4KPiA+IFRoaXMgaXMgdGhlIG5ldyBwYXRjaC4gTG9va2lu ZyBhdCBvdGhlciBwYXJ0cyBvZiBkZXZpY2VzLnR4dCwgIAo+IG9ic29sZXRlIGlzCj4gPiBzb21l dGltZXMgdXNlZCB0b2dldGhlciB3aXRoIHVudXNlZC4gSSBndWVzcyBvYnNvbGV0ZSBtZWFucyB0 aGlzIGlzICAKPiBvbGQgaW50ZXJmYWNlIHNvCj4gPiBkb24ndCB1c2UgaXQgYXMgbXVjaCBhcyBw b3NzaWJsZSBhbmQgdW51c2VkIG1lYW5zIHRoaXMgaXMgbm90IHVzZWQgIAo+IGF0IGFsbCBub3cu Cj4gPiBZb3UgcmVtb3ZlIG9sZCBtZW1vcnkgaW50ZXJmYWNlIGNvbXBsZXRlbHkgaW4gdGhpcyBw YXRjaCBzZXQsIHNvIGlzICAKPiBpdCBiZXR0ZXIgdG8gYWRkCj4gPiB1bnVzZWQsIHRvbz8KPiA+ Cj4gCj4gRG9lcyBvYnNvbGV0ZSBhbHNvIG1lYW4gIm5vdCB1c2VkIGFueW1vcmUiPyBJIGRvbid0 IGtub3cuIEkgdGhpbmsgd2UgIAo+IGNhbiB3YWl0IGZvciBzb21lIG5hdGl2ZQo+IEVuZ2xpc2gg c3BlYWtlcnMgdG8gY29tbWVudCBvbiB0aGlzLgoKT2Jzb2xldGUgaW1wbGllcyB0aGF0IGl0IHNo b3VsZG4ndCBiZSB1c2VkIGFueW1vcmUuIFRoZXJlIGFyZSAgCmV4Y2VwdGlvbnMgdG8gZXZlcnl0 aGluZywgb2YgY291cnNlLi4uCgooVW51c2VkIG1lYW5zIG5vdGhpbmcgaXMgdXNpbmcgaXQuIElm IHRoZXJlJ3Mgc3RpbGwgY29kZSB1c2luZyBpdCwgaXQncyAgCm5vdCB1bnVzZWQuIFNvIHllYWgg dW51c2VkIHdvdWxkIGltcGx5IHJlbW92ZWQuKQoKUm9iCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCmtleGVjIG1haWxpbmcgbGlzdAprZXhlY0BsaXN0cy5p bmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8v a2V4ZWMK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933014Ab3E1GRg (ORCPT ); Tue, 28 May 2013 02:17:36 -0400 Received: from mail-ob0-f180.google.com ([209.85.214.180]:32770 "EHLO mail-ob0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932977Ab3E1GRf convert rfc822-to-8bit (ORCPT ); Tue, 28 May 2013 02:17:35 -0400 Date: Tue, 28 May 2013 01:17:31 -0500 From: Rob Landley Subject: Re: [PATCH v2 2/7] Documentation/devices.txt: Mark /dev/oldmem obsolete To: Zhang Yanfei Cc: HATAYAMA Daisuke , Zhang Yanfei , "Eric W. Biederman" , Vivek Goyal , Andrew Morton , "H. Peter Anvin" , Simon Horman , "kexec@lists.infradead.org" , "linux-kernel@vger.kernel.org" In-Reply-To: <51A2BCCB.2090900@cn.fujitsu.com> (from zhangyanfei@cn.fujitsu.com on Sun May 26 20:54:19 2013) X-Mailer: Balsa 2.4.11 Message-Id: <1369721851.2776.37@driftwood> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; DelSp=Yes; Format=Flowed Content-Disposition: inline Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/26/2013 08:54:19 PM, Zhang Yanfei wrote: > 于 2013年05月27日 09:46, HATAYAMA Daisuke 写道: > > (2013/05/26 15:36), Zhang Yanfei wrote: > >> From: Zhang Yanfei > >> > >> Signed-off-by: Zhang Yanfei > >> Cc: Dave Jones > >> --- > >> Documentation/devices.txt | 3 +-- > >> 1 files changed, 1 insertions(+), 2 deletions(-) > >> > >> diff --git a/Documentation/devices.txt b/Documentation/devices.txt > >> index 08f01e7..c8e4002 100644 > >> --- a/Documentation/devices.txt > >> +++ b/Documentation/devices.txt > >> @@ -100,8 +100,7 @@ Your cooperation is appreciated. > >> 10 = /dev/aio Asynchronous I/O notification > interface > >> 11 = /dev/kmsg Writes to this come out as > printk's, reads > >> export the buffered printk records. > >> - 12 = /dev/oldmem Used by crashdump kernels to access > >> - the memory of the kernel that crashed. > >> + 12 = /dev/oldmem OBSOLETE > >> > >> 1 block RAM disk > >> 0 = /dev/ram0 First RAM disk > >> > > > > This is the new patch. Looking at other parts of devices.txt, > obsolete is > > sometimes used together with unused. I guess obsolete means this is > old interface so > > don't use it as much as possible and unused means this is not used > at all now. > > You remove old memory interface completely in this patch set, so is > it better to add > > unused, too? > > > > Does obsolete also mean "not used anymore"? I don't know. I think we > can wait for some native > English speakers to comment on this. Obsolete implies that it shouldn't be used anymore. There are exceptions to everything, of course... (Unused means nothing is using it. If there's still code using it, it's not unused. So yeah unused would imply removed.) Rob