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x86,um: switch to generic old sigsuspend()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-25 16:09:20 -05:00
parent 7b83d1a297
commit 15ce1f7154
8 changed files with 3 additions and 31 deletions
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10
arch/um/kernel/signal.c
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@ -122,13 +122,3 @@ int do_signal(void)
{
return kern_do_signal(&current->thread.regs);
}
/*
* Atomically swap in the new signal mask, and wait for a signal.
*/
long sys_sigsuspend(int history0, int history1, old_sigset_t mask)
{
sigset_t blocked;
siginitset(&blocked, mask);
return sigsuspend(&blocked);
}

1
arch/x86/Kconfig
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@ -116,6 +116,7 @@ config X86
select GENERIC_SIGALTSTACK
select GENERIC_COMPAT_RT_SIGQUEUEINFO
select GENERIC_COMPAT_RT_SIGPENDING
select OLD_SIGSUSPEND3 if X86_32 || IA32_EMULATION
config INSTRUCTION_DECODER
def_bool y

7
arch/x86/ia32/ia32_signal.c
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@ -129,13 +129,6 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
return err;
}
asmlinkage long sys32_sigsuspend(int history0, int history1, old_sigset_t mask)
{
sigset_t blocked;
siginitset(&blocked, mask);
return sigsuspend(&blocked);
}
/*
* Do a signal return; undo the signal stack.
*/

1
arch/x86/include/asm/sys_ia32.h
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@ -66,7 +66,6 @@ asmlinkage long sys32_fallocate(int, int, unsigned,
unsigned, unsigned, unsigned);
/* ia32/ia32_signal.c */
asmlinkage long sys32_sigsuspend(int, int, old_sigset_t);
asmlinkage long sys32_sigreturn(void);
asmlinkage long sys32_rt_sigreturn(void);

1
arch/x86/include/asm/syscalls.h
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@ -34,7 +34,6 @@ asmlinkage int sys_get_thread_area(struct user_desc __user *);
#ifdef CONFIG_X86_32
/* kernel/signal.c */
asmlinkage int sys_sigsuspend(int, int, old_sigset_t);
asmlinkage int sys_sigaction(int, const struct old_sigaction __user *,
struct old_sigaction __user *);
unsigned long sys_sigreturn(void);

11
arch/x86/kernel/signal.c
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@ -536,17 +536,6 @@ static int x32_setup_rt_frame(int sig, struct k_sigaction *ka,
}
#ifdef CONFIG_X86_32
/*
* Atomically swap in the new signal mask, and wait for a signal.
*/
asmlinkage int
sys_sigsuspend(int history0, int history1, old_sigset_t mask)
{
sigset_t blocked;
siginitset(&blocked, mask);
return sigsuspend(&blocked);
}
asmlinkage int
sys_sigaction(int sig, const struct old_sigaction __user *act,
struct old_sigaction __user *oact)

2
arch/x86/syscalls/syscall_32.tbl
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@ -78,7 +78,7 @@
69 i386 ssetmask sys_ssetmask
70 i386 setreuid sys_setreuid16
71 i386 setregid sys_setregid16
72 i386 sigsuspend sys_sigsuspend sys32_sigsuspend
72 i386 sigsuspend sys_sigsuspend sys_sigsuspend
73 i386 sigpending sys_sigpending compat_sys_sigpending
74 i386 sethostname sys_sethostname
75 i386 setrlimit sys_setrlimit compat_sys_setrlimit

1
arch/x86/um/Kconfig
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@ -25,6 +25,7 @@ config X86_32
select ARCH_WANT_IPC_PARSE_VERSION
select MODULES_USE_ELF_REL
select CLONE_BACKWARDS
select OLD_SIGSUSPEND3
config X86_64
def_bool 64BIT