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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@lst.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-arch@vger.kernel.org
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-ia64@vger.kernel.org
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: sparclinux@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Link: http://lkml.kernel.org/r/20170603190102.28866-3-hch@lst.de
This commit is contained in:
Christoph Hellwig 2017-06-03 21:00:59 +02:00 committed by Thomas Gleixner
parent f70c80068f
commit 7994200ce6
3 changed files with 1 additions and 29 deletions
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22
arch/ia64/include/asm/siginfo.h
View File

@ -1,23 +1 @@
/*
* Based on <asm-i386/siginfo.h>.
*
* Modified 1998-2002
* David Mosberger-Tang <davidm@hpl.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 */

1
arch/ia64/include/uapi/asm/siginfo.h
View File

@ -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>

7
include/linux/signal.h
View File

@ -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.
*/