From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755225AbZFONiY (ORCPT ); Mon, 15 Jun 2009 09:38:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752257AbZFONiO (ORCPT ); Mon, 15 Jun 2009 09:38:14 -0400 Received: from 219-87-157-169.static.tfn.net.tw ([219.87.157.169]:48554 "EHLO mswedge2.sunplus.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751604AbZFONiN (ORCPT ); Mon, 15 Jun 2009 09:38:13 -0400 In-Reply-To: <200906151530.10299.arnd@arndb.de> To: Arnd Bergmann Cc: Andrew Morton , linux-arch@vger.kernel.org, linux-arch-owner@vger.kernel.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org MIME-Version: 1.0 Subject: Re: [PATCH] asm-generic: add EMAXERRNO X-Mailer: Lotus Notes Release 6.5 September 26, 2003 Message-ID: From: liqin.chen@sunplusct.com Date: Mon, 15 Jun 2009 21:33:21 +0800 X-MIMETrack: Serialize by Router on ctmail01/SunplusCT(Release 7.0.3FP1|February 24, 2008) at 2009/06/15 ?? 09:33:21, Serialize complete at 2009/06/15 ?? 09:33:21 Content-Type: text/plain; charset="GB2312" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by alpha.home.local id n5FDd154012487 linux-arch-owner@vger.kernel.org д 2009-06-15 21:30:09: > Some architectures want to flag error returns from a syscall based on > the return value. The range from zero to -511 is for errors that > we can return to user space, so add a #define for this to > include/asm-generic/errno.h. > > Reported-by: Chen Liquin > Signed-off-by: Arnd Bergmann > --- > include/asm-generic/errno.h | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > > On Monday 15 June 2009, liqin.chen@sunplusct.com wrote: > > > Maybe I can don't use EMAXERRNO in score code. But I think define a > > maximum error number in asm-generic/errno.h is better. > > > > How about this one? > > diff --git a/include/asm-generic/errno.h b/include/asm-generic/errno.h > index e8852c0..16bb31d 100644 > --- a/include/asm-generic/errno.h > +++ b/include/asm-generic/errno.h > @@ -106,4 +106,8 @@ > #define EOWNERDEAD 130 /* Owner died */ > #define ENOTRECOVERABLE 131 /* State not recoverable */ > > +#ifdef __KERNEL__ > +#define EMAXERRNO 511 /* maximum errno value we return to user */ > +#endif > + > #endif > -- OK, it is easy to use. {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I From mboxrd@z Thu Jan 1 00:00:00 1970 From: liqin.chen@sunplusct.com Subject: Re: [PATCH] asm-generic: add EMAXERRNO Date: Mon, 15 Jun 2009 21:33:21 +0800 Message-ID: References: <200906151530.10299.arnd@arndb.de> Mime-Version: 1.0 Content-Type: text/plain; charset="GB2312" Content-Transfer-Encoding: base64 Return-path: Received: from 219-87-157-169.static.tfn.net.tw ([219.87.157.169]:48554 "EHLO mswedge2.sunplus.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751604AbZFONiN (ORCPT ); Mon, 15 Jun 2009 09:38:13 -0400 In-Reply-To: <200906151530.10299.arnd@arndb.de> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Arnd Bergmann Cc: Andrew Morton , linux-arch@vger.kernel.org, linux-arch-owner@vger.kernel.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org bGludXgtYXJjaC1vd25lckB2Z2VyLmtlcm5lbC5vcmcg0LTT2iAyMDA5LTA2LTE1IDIxOjMwOjA5 Og0KDQo+IFNvbWUgYXJjaGl0ZWN0dXJlcyB3YW50IHRvIGZsYWcgZXJyb3IgcmV0dXJucyBmcm9t IGEgc3lzY2FsbCBiYXNlZCBvbg0KPiB0aGUgcmV0dXJuIHZhbHVlLiBUaGUgcmFuZ2UgZnJvbSB6 ZXJvIHRvIC01MTEgaXMgZm9yIGVycm9ycyB0aGF0DQo+IHdlIGNhbiByZXR1cm4gdG8gdXNlciBz cGFjZSwgc28gYWRkIGEgI2RlZmluZSBmb3IgdGhpcyB0bw0KPiBpbmNsdWRlL2FzbS1nZW5lcmlj L2Vycm5vLmguDQo+IA0KPiBSZXBvcnRlZC1ieTogQ2hlbiBMaXF1aW4gPGxpcWluLmNoZW5Ac3Vu cGx1c2N0LmNvbT4NCj4gU2lnbmVkLW9mZi1ieTogQXJuZCBCZXJnbWFubiA8YXJuZEBhcm5kYi5k ZT4NCj4gLS0tDQo+ICBpbmNsdWRlL2FzbS1nZW5lcmljL2Vycm5vLmggfCAgICA0ICsrKysNCj4g IDEgZmlsZXMgY2hhbmdlZCwgNCBpbnNlcnRpb25zKCspLCAwIGRlbGV0aW9ucygtKQ0KPiANCj4g T24gTW9uZGF5IDE1IEp1bmUgMjAwOSwgbGlxaW4uY2hlbkBzdW5wbHVzY3QuY29tIHdyb3RlOg0K PiANCj4gPiBNYXliZSBJIGNhbiBkb24ndCB1c2UgRU1BWEVSUk5PIGluIHNjb3JlIGNvZGUuIEJ1 dCBJIHRoaW5rIGRlZmluZSBhIA0KPiA+IG1heGltdW0gZXJyb3IgbnVtYmVyIGluIGFzbS1nZW5l cmljL2Vycm5vLmggaXMgYmV0dGVyLg0KPiA+IA0KPiANCj4gSG93IGFib3V0IHRoaXMgb25lPw0K PiANCj4gZGlmZiAtLWdpdCBhL2luY2x1ZGUvYXNtLWdlbmVyaWMvZXJybm8uaCBiL2luY2x1ZGUv YXNtLWdlbmVyaWMvZXJybm8uaA0KPiBpbmRleCBlODg1MmMwLi4xNmJiMzFkIDEwMDY0NA0KPiAt LS0gYS9pbmNsdWRlL2FzbS1nZW5lcmljL2Vycm5vLmgNCj4gKysrIGIvaW5jbHVkZS9hc20tZ2Vu ZXJpYy9lcnJuby5oDQo+IEBAIC0xMDYsNCArMTA2LDggQEANCj4gICNkZWZpbmUgICBFT1dORVJE RUFEICAgMTMwICAgLyogT3duZXIgZGllZCAqLw0KPiAgI2RlZmluZSAgIEVOT1RSRUNPVkVSQUJM RSAgIDEzMSAgIC8qIFN0YXRlIG5vdCByZWNvdmVyYWJsZSAqLw0KPiANCj4gKyNpZmRlZiBfX0tF Uk5FTF9fDQo+ICsjZGVmaW5lICAgRU1BWEVSUk5PICAgNTExICAgLyogbWF4aW11bSBlcnJubyB2 YWx1ZSB3ZSByZXR1cm4gdG8gdXNlciAqLw0KPiArI2VuZGlmDQo+ICsNCj4gICNlbmRpZg0KPiAt LSANCk9LLCBpdCBpcyBlYXN5IHRvIHVzZS4NCg==