From mboxrd@z Thu Jan 1 00:00:00 1970 From: Palmer Dabbelt Subject: [PATCH 12/13] Remove AT_VECTOR_SIZE_ARCH on x86 Date: Mon, 14 Sep 2015 15:50:46 -0700 Message-ID: <1442271047-4908-13-git-send-email-palmer@dabbelt.com> References: <1441832902-28993-1-git-send-email-palmer@dabbelt.com> <1442271047-4908-1-git-send-email-palmer@dabbelt.com> Return-path: Received: from mail-pa0-f43.google.com ([209.85.220.43]:32947 "EHLO mail-pa0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753040AbbINWvT (ORCPT ); Mon, 14 Sep 2015 18:51:19 -0400 Received: by pacex6 with SMTP id ex6so156280393pac.0 for ; Mon, 14 Sep 2015 15:51:19 -0700 (PDT) In-Reply-To: <1442271047-4908-1-git-send-email-palmer@dabbelt.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: arnd@arndb.de, dhowells@redhat.com Cc: viro@zeniv.linux.org.uk, ast@plumgrid.com, aishchuk@linux.vnet.ibm.com, aarcange@redhat.com, akpm@linux-foundation.org, luto@kernel.org, acme@kernel.org, bhe@redhat.com, 3chas3@gmail.com, chris@zankel.net, dave@sr71.net, dyoung@redhat.com, drysdale@google.com, davem@davemloft.net, ebiederm@xmission.com, geoff@infradead.org, gregkh@linuxfoundation.org, hpa@zytor.com, mingo@kernel.org, iulia.manda21@gmail.com, plagnioj@jcrosoft.com, jikos@kernel.org, josh@joshtriplett.org, kexec@lists.infradead.org, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xtensa@linux-xtensa.org, mathieu.desnoyers@efficios.com, jcmvbkbc@gmail.com, paulmck@linux.vnet.ibm.com, a.p.zijlstra@chello.nl, tglx@linutronix.de, tomi.valkeinen@ti.com, vgoyal@redhat.com, x86@kernel.org, Palmer Dabbelt It looks like there aren't actually users of this macro anywhere: * The kernel doesn't use it on x86 because we don't suppor ELF FDPIC. * The only Google results point to LMKL patches, both the one that wrote this (from 2010) and my patch to hide it behind __KERNEL__. * I grep'd through all the source tarballs on my machine, and the only packages that matched were the kernel and crui (which copied a PPC kernel header). Since I'm not sure how to actually provide the right answer (if I understand correctly, CONFIG_IA32_EMULATION is not __i386__), the only thing I can think of to do is to just remove the definition. Signed-off-by: Palmer Dabbelt Reviewed-by: Andrew Waterman Reviewed-by: Albert Ou --- arch/x86/include/uapi/asm/auxvec.h | 7 ------- 1 file changed, 7 deletions(-) diff --git a/arch/x86/include/uapi/asm/auxvec.h b/arch/x86/include/uapi/asm/auxvec.h index 77203ac352de..1316b4c35425 100644 --- a/arch/x86/include/uapi/asm/auxvec.h +++ b/arch/x86/include/uapi/asm/auxvec.h @@ -9,11 +9,4 @@ #endif #define AT_SYSINFO_EHDR 33 -/* entries in ARCH_DLINFO: */ -#if defined(CONFIG_IA32_EMULATION) || !defined(CONFIG_X86_64) -# define AT_VECTOR_SIZE_ARCH 2 -#else /* else it's non-compat x86-64 */ -# define AT_VECTOR_SIZE_ARCH 1 -#endif - #endif /* _ASM_X86_AUXVEC_H */ -- 2.4.6