From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: + include-linux-compiler-gcch-use-__same_type-in-__must_be_array.patch added to -mm tree Date: Wed, 02 Jun 2010 14:13:18 -0700 Message-ID: <201006022113.o52LDImZ017237@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:34623 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932894Ab0FBVNY (ORCPT ); Wed, 2 Jun 2010 17:13:24 -0400 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: mm-commits@vger.kernel.org Cc: rusty@rustcorp.com.au, akpm@linux-foundation.org The patch titled include/linux/compiler-gcc.h: use __same_type() in __must_be_array() has been added to the -mm tree. Its filename is include-linux-compiler-gcch-use-__same_type-in-__must_be_array.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: include/linux/compiler-gcc.h: use __same_type() in __must_be_array() From: Rusty Russell We should use the __same_type() helper in __must_be_array(). Signed-off-by: Rusty Russell Reported-by: Andrew Morton Signed-off-by: Andrew Morton --- include/linux/compiler-gcc.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff -puN include/linux/compiler-gcc.h~include-linux-compiler-gcch-use-__same_type-in-__must_be_array include/linux/compiler-gcc.h --- a/include/linux/compiler-gcc.h~include-linux-compiler-gcch-use-__same_type-in-__must_be_array +++ a/include/linux/compiler-gcc.h @@ -35,8 +35,7 @@ (typeof(ptr)) (__ptr + (off)); }) /* &a[0] degrades to a pointer: a different type from an array */ -#define __must_be_array(a) \ - BUILD_BUG_ON_ZERO(__builtin_types_compatible_p(typeof(a), typeof(&a[0]))) +#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0])) /* * Force always-inline if the user requests it so via the .config, _ Patches currently in -mm which might be from rusty@rustcorp.com.au are origin.patch linux-next.patch modpost-support-objects-with-more-than-64k-sections.patch kmap_atomic-make-kunmap_atomic-harder-to-misuse.patch include-linux-compiler-gcch-use-__same_type-in-__must_be_array.patch reiser4.patch