linux-kernel - [PATCH v5 18/25] Move EM_XTENSA to uapi/linux/elf-em.h

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Message-ID: <20181210043036.GR6131@altlinux.org>
Date:   Mon, 10 Dec 2018 07:30:36 +0300
From:   "Dmitry V. Levin" <ldv@...linux.org>
To:     Max Filippov <jcmvbkbc@...il.com>, Oleg Nesterov <oleg@...hat.com>,
        Andy Lutomirski <luto@...nel.org>
Cc:     Elvira Khabirova <lineprinter@...linux.org>,
        Eugene Syromyatnikov <esyr@...hat.com>,
        Chris Zankel <chris@...kel.net>, linux-xtensa@...ux-xtensa.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v5 18/25] Move EM_XTENSA to uapi/linux/elf-em.h

This should never have been defined in the arch tree to begin with,
and now uapi/linux/audit.h header is going to use EM_XTENSA
in order to define AUDIT_ARCH_XTENSA which is needed to implement
syscall_get_arch() which in turn is required to extend
the generic ptrace API with PTRACE_GET_SYSCALL_INFO request.

Cc: Max Filippov <jcmvbkbc@...il.com>
Cc: Oleg Nesterov <oleg@...hat.com>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: Elvira Khabirova <lineprinter@...linux.org>
Cc: Eugene Syromyatnikov <esyr@...hat.com>
Cc: Chris Zankel <chris@...kel.net>
Cc: linux-xtensa@...ux-xtensa.org
Signed-off-by: Dmitry V. Levin <ldv@...linux.org>
---

Notes:
    v5: move EM_XTENSA to elf-em.h instead of adding,
        I didn't realize it was already defined in the arch tree
    v2: added Reviewed-by

 arch/xtensa/include/asm/elf.h | 2 +-
 include/uapi/linux/elf-em.h   | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/xtensa/include/asm/elf.h b/arch/xtensa/include/asm/elf.h
index eacb25a41718..344f1c6a546e 100644
--- a/arch/xtensa/include/asm/elf.h
+++ b/arch/xtensa/include/asm/elf.h
@@ -15,10 +15,10 @@
 
 #include <asm/ptrace.h>
 #include <asm/coprocessor.h>
+#include <linux/elf-em.h>
 
 /* Xtensa processor ELF architecture-magic number */
 
-#define EM_XTENSA	94
 #define EM_XTENSA_OLD	0xABC7
 
 /* Xtensa relocations defined by the ABIs */
diff --git a/include/uapi/linux/elf-em.h b/include/uapi/linux/elf-em.h
index d8695ad90f6b..f392dd9d07f7 100644
--- a/include/uapi/linux/elf-em.h
+++ b/include/uapi/linux/elf-em.h
@@ -35,6 +35,7 @@
 #define EM_MN10300	89	/* Panasonic/MEI MN10300, AM33 */
 #define EM_OPENRISC     92     /* OpenRISC 32-bit embedded processor */
 #define EM_ARCOMPACT	93	/* ARCompact processor */
+#define EM_XTENSA	94	/* Tensilica Xtensa Architecture */
 #define EM_BLACKFIN     106     /* ADI Blackfin Processor */
 #define EM_ALTERA_NIOS2	113	/* Altera Nios II soft-core processor */
 #define EM_TI_C6000	140	/* TI C6X DSPs */
-- 
ldv