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: Tue, 3 Nov 2015 11:46:33 -0800 Message-ID: <1446579994-9937-13-git-send-email-palmer@dabbelt.com> References: <1442271047-4908-1-git-send-email-palmer@dabbelt.com> <1446579994-9937-1-git-send-email-palmer@dabbelt.com> Return-path: In-Reply-To: <1446579994-9937-1-git-send-email-palmer@dabbelt.com> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-arch.vger.kernel.org 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 77203ac..1316b4c 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 */ -- 2.4.10 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f50.google.com ([209.85.220.50]:33461 "EHLO mail-pa0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932568AbbKCTrB (ORCPT ); Tue, 3 Nov 2015 14:47:01 -0500 Received: by pabfh17 with SMTP id fh17so27167768pab.0 for ; Tue, 03 Nov 2015 11:47:00 -0800 (PST) From: Palmer Dabbelt Subject: [PATCH 12/13] Remove AT_VECTOR_SIZE_ARCH on x86 Date: Tue, 3 Nov 2015 11:46:33 -0800 Message-ID: <1446579994-9937-13-git-send-email-palmer@dabbelt.com> In-Reply-To: <1446579994-9937-1-git-send-email-palmer@dabbelt.com> References: <1442271047-4908-1-git-send-email-palmer@dabbelt.com> <1446579994-9937-1-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 Message-ID: <20151103194633.JM2LjU9CcPB0jcjsCpJfSJ2wxHzEcmMMFhKgn-kIuiU@z> 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 77203ac..1316b4c 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 */ -- 2.4.10