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From: Palmer Dabbelt <palmer@dabbelt.com>
To: arnd@arndb.de, dhowells@redhat.com
Cc: dave@sr71.net, linux-xtensa@linux-xtensa.org, jcmvbkbc@gmail.com,
	hpa@zytor.com, mingo@kernel.org, ast@plumgrid.com,
	aarcange@redhat.com, bhe@redhat.com, x86@kernel.org,
	tomi.valkeinen@ti.com, 3chas3@gmail.com,
	paulmck@linux.vnet.ibm.com, plagnioj@jcrosoft.com,
	vgoyal@redhat.com, aishchuk@linux.vnet.ibm.com,
	linux-arch@vger.kernel.org, a.p.zijlstra@chello.nl,
	jikos@kernel.org, josh@joshtriplett.org, acme@kernel.org,
	mathieu.desnoyers@efficios.com, viro@zeniv.linux.org.uk,
	luto@kernel.org, tglx@linutronix.de, drysdale@google.com,
	chris@zankel.net, iulia.manda21@gmail.com, geoff@infradead.org,
	gregkh@linuxfoundation.org, dyoung@redhat.com,
	kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
	Palmer Dabbelt <palmer@dabbelt.com>,
	ebiederm@xmission.com, linux-api@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, akpm@linux-foundation.org,
	davem@davemloft.net
Subject: [PATCH 12/13] Remove AT_VECTOR_SIZE_ARCH on x86
Date: Mon, 14 Sep 2015 15:50:46 -0700	[thread overview]
Message-ID: <1442271047-4908-13-git-send-email-palmer@dabbelt.com> (raw)
In-Reply-To: <1442271047-4908-1-git-send-email-palmer@dabbelt.com>

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 <palmer@dabbelt.com>
Reviewed-by: Andrew Waterman <waterman@eecs.berkeley.edu>
Reviewed-by: Albert Ou <aou@eecs.berkeley.edu>
---
 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


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  parent reply	other threads:[~2015-09-14 22:51 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1441832902-28993-1-git-send-email-palmer@dabbelt.com>
2015-09-14 22:50 ` [PATCH v3] Remove #ifdef CONFIG_* from all userspace headers Palmer Dabbelt
2015-09-14 22:50   ` [PATCH 01/13] Remove #ifdef CONFIG_64BIT from all asm-generic/fcntl.h Palmer Dabbelt
2015-09-14 22:50   ` [PATCH 02/13] Use sys_ni.c instead of #ifdef to disable fork on CONFIG_NOMMU Palmer Dabbelt
2015-09-14 22:50   ` [PATCH 03/13] Move COMPAT_ATM_ADDPARTY to net/atm/svc.c Palmer Dabbelt
2015-09-17  9:57     ` David Howells
2015-09-17 20:53       ` Palmer Dabbelt
2015-09-14 22:50   ` [PATCH 04/13] Always expose MAP_UNINITIALIZED to userspace Palmer Dabbelt
2015-09-15  0:23     ` Kirill A. Shutemov
2015-09-15  0:52       ` Palmer Dabbelt
2015-09-15  5:19       ` Josh Triplett
2015-09-15  9:42         ` Kirill A. Shutemov
2015-09-15 14:07           ` Josh Triplett
2015-09-17 10:13             ` David Howells
2015-09-14 22:50   ` [PATCH 05/13] Split FDPIC "struct elf_prstatus" to "struct elf_fdpic_prstatus" Palmer Dabbelt
2015-09-17 10:17     ` David Howells
2015-09-14 22:50   ` [PATCH 06/13] Move ep_take_care_of_epollwakeup() to fs/eventpoll.c Palmer Dabbelt
2015-09-14 22:50   ` [PATCH 07/13] Make FB_BACKLIGHT_{LEVELS,MAX} always visible Palmer Dabbelt
2015-09-14 22:50   ` [PATCH 08/13] Move MAX_SHARED_LIBS to fs/binfmt_flat.c Palmer Dabbelt
2015-09-14 22:50   ` [PATCH 09/13] Move bp_type_idx to kernel/event/hw_breakpoint.c Palmer Dabbelt
2015-09-15  8:06     ` Peter Zijlstra
2015-09-15 18:40       ` Palmer Dabbelt
2015-09-15 19:39         ` Peter Zijlstra
2015-09-17  3:56           ` Palmer Dabbelt
     [not found]       ` <2023922.x7a6gQp0x7@wuerfel>
2015-09-17 10:28         ` David Howells
2015-09-24 12:15         ` Frederic Weisbecker
2015-09-14 22:50   ` [PATCH 10/13] Move USE_WCACHING to drivers/block/pktcdvd.c Palmer Dabbelt
2015-09-14 22:50   ` [PATCH 11/13] Always define MAX_RAW_MINORS as 65535 in userspace Palmer Dabbelt
2015-09-15 20:42     ` H. Peter Anvin
2015-09-17  3:08       ` Palmer Dabbelt
2015-09-14 22:50   ` Palmer Dabbelt [this message]
2015-09-14 22:50   ` [PATCH 13/13] Re-enable and clean up "check_config()" in headers_check.pl Palmer Dabbelt
2015-11-03 19:46   ` [PATCH v4] Remove #ifdef CONFIG_* from all userspace headers Palmer Dabbelt
2015-11-03 19:46     ` [PATCH 01/13] Remove #ifdef CONFIG_64BIT from all asm-generic/fcntl.h Palmer Dabbelt
2015-11-03 19:46     ` [PATCH 02/13] Use sys_ni.c instead of #ifdef to disable fork on CONFIG_NOMMU Palmer Dabbelt
2015-11-03 19:46     ` [PATCH 03/13] Move COMPAT_ATM_ADDPARTY to net/atm/svc.c Palmer Dabbelt
2015-11-03 19:46     ` [PATCH 04/13] Always expose MAP_UNINITIALIZED to userspace Palmer Dabbelt
2015-11-03 19:46     ` [PATCH 05/13] Split FDPIC "struct elf_prstatus" to "struct elf_fdpic_prstatus" Palmer Dabbelt
2015-11-03 19:46     ` [PATCH 06/13] Move ep_take_care_of_epollwakeup() to fs/eventpoll.c Palmer Dabbelt
2015-11-03 19:46     ` [PATCH 07/13] Make FB_BACKLIGHT_{LEVELS,MAX} always visible Palmer Dabbelt
2015-11-03 19:46     ` [PATCH 08/13] Move MAX_SHARED_LIBS to fs/binfmt_flat.c Palmer Dabbelt
2015-11-03 19:46     ` [PATCH 09/13] Move bp_type_idx to kernel/event/hw_breakpoint.c Palmer Dabbelt
2015-11-03 21:28       ` kbuild test robot
2015-11-03 21:29       ` kbuild test robot
2015-11-04 11:41       ` Peter Zijlstra
2015-11-04 12:21         ` Peter Zijlstra
2015-11-07  6:44           ` Palmer Dabbelt
2015-11-03 19:46     ` [PATCH 10/13] Move USE_WCACHING to drivers/block/pktcdvd.c Palmer Dabbelt
2015-11-03 19:46     ` [PATCH 11/13] Always define MAX_RAW_MINORS as 2**20 in userspace Palmer Dabbelt
2015-11-03 20:11       ` kbuild test robot
2015-11-03 19:46     ` [PATCH 12/13] Remove AT_VECTOR_SIZE_ARCH on x86 Palmer Dabbelt
2015-11-03 19:46     ` [PATCH 13/13] Re-enable and clean up "check_config()" in headers_check.pl Palmer Dabbelt
2015-11-03 20:25       ` kbuild test robot
2015-11-03 20:26       ` kbuild test robot

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