linux-kernel - [tip:timers/core] ia64: Remove HAVE_ARCH_COPY

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Message-ID: <tip-7994200ce69a3873dfa2641254a13bb0a40056f3@git.kernel.org>
Date:   Mon, 5 Jun 2017 01:10:50 -0700
From:   tip-bot for Christoph Hellwig <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     mingo@...nel.org, hpa@...or.com, arnd@...db.de, tglx@...utronix.de,
        tony.luck@...el.com, fenghua.yu@...el.com, davem@...emloft.net,
        linux-kernel@...r.kernel.org, hch@....de
Subject: [tip:timers/core] ia64: Remove HAVE_ARCH_COPY_SIGINFO

Commit-ID:  7994200ce69a3873dfa2641254a13bb0a40056f3
Gitweb:     http://git.kernel.org/tip/7994200ce69a3873dfa2641254a13bb0a40056f3
Author:     Christoph Hellwig <hch@....de>
AuthorDate: Sat, 3 Jun 2017 21:00:59 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sun, 4 Jun 2017 15:11:46 +0200

ia64: Remove HAVE_ARCH_COPY_SIGINFO

Since ia64 defines __ARCH_SI_PREAMBLE_SIZE it can just use the generic
copy_siginfo implementation, which is identical to the architecture
specific one.

With that support for HAVE_ARCH_COPY_SIGINFO can go away entirely.

Signed-off-by: Christoph Hellwig <hch@....de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: linux-arch@...r.kernel.org
Cc: Fenghua Yu <fenghua.yu@...el.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: linux-ia64@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>
Cc: sparclinux@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>
Link: http://lkml.kernel.org/r/20170603190102.28866-3-hch@lst.de

---
 arch/ia64/include/asm/siginfo.h      | 22 ----------------------
 arch/ia64/include/uapi/asm/siginfo.h |  1 -
 include/linux/signal.h               |  7 +------
 3 files changed, 1 insertion(+), 29 deletions(-)

diff --git a/arch/ia64/include/asm/siginfo.h b/arch/ia64/include/asm/siginfo.h
index 6f2e2dd..dd2f2fc 100644
--- a/arch/ia64/include/asm/siginfo.h
+++ b/arch/ia64/include/asm/siginfo.h
@@ -1,23 +1 @@
-/*
- * Based on <asm-i386/siginfo.h>.
- *
- * Modified 1998-2002
- *	David Mosberger-Tang <davidm@....hp.com>, Hewlett-Packard Co
- */
-#ifndef _ASM_IA64_SIGINFO_H
-#define _ASM_IA64_SIGINFO_H
-
-#include <linux/string.h>
 #include <uapi/asm/siginfo.h>
-
-static inline void
-copy_siginfo (siginfo_t *to, siginfo_t *from)
-{
-	if (from->si_code < 0)
-		memcpy(to, from, sizeof(siginfo_t));
-	else
-		/* _sigchld is currently the largest know union member */
-		memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld));
-}
-
-#endif /* _ASM_IA64_SIGINFO_H */
diff --git a/arch/ia64/include/uapi/asm/siginfo.h b/arch/ia64/include/uapi/asm/siginfo.h
index f72bf01..4694c64 100644
--- a/arch/ia64/include/uapi/asm/siginfo.h
+++ b/arch/ia64/include/uapi/asm/siginfo.h
@@ -11,7 +11,6 @@
 #define __ARCH_SI_PREAMBLE_SIZE	(4 * sizeof(int))
 
 #define HAVE_ARCH_SIGINFO_T
-#define HAVE_ARCH_COPY_SIGINFO
 #define HAVE_ARCH_COPY_SIGINFO_TO_USER
 
 #include <asm-generic/siginfo.h>
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 1f5a166..80c7418 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -3,16 +3,13 @@
 
 #include <linux/bug.h>
 #include <linux/signal_types.h>
+#include <linux/string.h>
 
 struct task_struct;
 
 /* for sysctl */
 extern int print_fatal_signals;
 
-#ifndef HAVE_ARCH_COPY_SIGINFO
-
-#include <linux/string.h>
-
 static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
 {
 	if (from->si_code < 0)
@@ -22,8 +19,6 @@ static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
 		memcpy(to, from, __ARCH_SI_PREAMBLE_SIZE + sizeof(from->_sifields._sigchld));
 }
 
-#endif
-
 /*
  * Define some primitives to manipulate sigset_t.
  */