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authorAl Viro <viro@zeniv.linux.org.uk>2012-12-25 19:14:55 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-02-03 18:16:27 -0500
commit5b3eb3ade4444c3b1419ffa23598a57f6f4bf494 (patch)
tree1f25f5eaf46fac683c502562347cb900ec946978 /arch/x86/um
parent29fd448084e2da6d19ab675cf01d4a65fe2fcc44 (diff)
downloadlinux-5b3eb3ade4444c3b1419ffa23598a57f6f4bf494.tar.gz
x86: switch to generic old sigaction
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/x86/um')
-rw-r--r--arch/x86/um/Kconfig1
-rw-r--r--arch/x86/um/Makefile4
-rw-r--r--arch/x86/um/syscalls_32.c38
3 files changed, 3 insertions, 40 deletions
diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig
index a3725824449e..cf0f2731484e 100644
--- a/arch/x86/um/Kconfig
+++ b/arch/x86/um/Kconfig
@@ -26,6 +26,7 @@ config X86_32
 	select MODULES_USE_ELF_REL
 	select CLONE_BACKWARDS
 	select OLD_SIGSUSPEND3
+	select OLD_SIGACTION
 
 config X86_64
 	def_bool 64BIT
diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile
index 5d065b2222d3..eafa324eb7a5 100644
--- a/arch/x86/um/Makefile
+++ b/arch/x86/um/Makefile
@@ -10,7 +10,7 @@ endif
 
 obj-y = bug.o bugs_$(BITS).o delay.o fault.o ksyms.o ldt.o \
 	ptrace_$(BITS).o ptrace_user.o setjmp_$(BITS).o signal.o \
-	stub_$(BITS).o stub_segv.o syscalls_$(BITS).o \
+	stub_$(BITS).o stub_segv.o \
 	sys_call_table_$(BITS).o sysrq_$(BITS).o tls_$(BITS).o \
 	mem_$(BITS).o subarch.o os-$(OS)/
 
@@ -25,7 +25,7 @@ subarch-$(CONFIG_HIGHMEM) += ../mm/highmem_32.o
 
 else
 
-obj-y += vdso/
+obj-y += syscalls_64.o vdso/
 
 subarch-y = ../lib/csum-partial_64.o ../lib/memcpy_64.o ../lib/thunk_64.o \
 		../lib/rwsem.o
diff --git a/arch/x86/um/syscalls_32.c b/arch/x86/um/syscalls_32.c
deleted file mode 100644
index e8bcea99acdb..000000000000
--- a/arch/x86/um/syscalls_32.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/* 
- * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
- * Licensed under the GPL
- */
-
-#include <linux/syscalls.h>
-#include <sysdep/syscalls.h>
-
-long sys_sigaction(int sig, const struct old_sigaction __user *act,
-			 struct old_sigaction __user *oact)
-{
-	struct k_sigaction new_ka, old_ka;
-	int ret;
-
-	if (act) {
-		old_sigset_t mask;
-		if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
-		    __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
-		    __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
-		    __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
-		    __get_user(mask, &act->sa_mask))
-			return -EFAULT;
-		siginitset(&new_ka.sa.sa_mask, mask);
-	}
-
-	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
-	if (!ret && oact) {
-		if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
-		    __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
-		    __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
-		    __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
-		    __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
-			return -EFAULT;
-	}
-
-	return ret;
-}