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arm64: switch compat 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 16:29:11 -05:00
parent 4cd2b2fa61
commit 84b9e9b402
3 changed files with 2 additions and 13 deletions
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1
arch/arm64/Kconfig
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@ -208,6 +208,7 @@ config COMPAT
depends on !ARM64_64K_PAGES depends on !ARM64_64K_PAGES
select COMPAT_BINFMT_ELF select COMPAT_BINFMT_ELF
select HAVE_UID16 select HAVE_UID16
select OLD_SIGSUSPEND3
help help
This option enables support for a 32-bit EL0 running under a 64-bit This option enables support for a 32-bit EL0 running under a 64-bit
kernel at EL1. AArch32-specific components such as system calls, kernel at EL1. AArch32-specific components such as system calls,

2
arch/arm64/include/asm/unistd32.h
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@ -93,7 +93,7 @@ __SYSCALL(68, sys_ni_syscall) /* 68 was sys_sgetmask */
__SYSCALL(69, sys_ni_syscall) /* 69 was sys_ssetmask */ __SYSCALL(69, sys_ni_syscall) /* 69 was sys_ssetmask */
__SYSCALL(70, sys_setreuid16) __SYSCALL(70, sys_setreuid16)
__SYSCALL(71, sys_setregid16) __SYSCALL(71, sys_setregid16)
__SYSCALL(72, compat_sys_sigsuspend) __SYSCALL(72, sys_sigsuspend)
__SYSCALL(73, compat_sys_sigpending) __SYSCALL(73, compat_sys_sigpending)
__SYSCALL(74, sys_sethostname) __SYSCALL(74, sys_sethostname)
__SYSCALL(75, compat_sys_setrlimit) __SYSCALL(75, compat_sys_setrlimit)

12
arch/arm64/kernel/signal32.c
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@ -333,18 +333,6 @@ static int compat_restore_vfp_context(struct compat_vfp_sigframe __user *frame)
return err ? -EFAULT : 0; return err ? -EFAULT : 0;
} }
/*
* atomically swap in the new signal mask, and wait for a signal.
*/
asmlinkage int compat_sys_sigsuspend(int restart, compat_ulong_t oldmask,
compat_old_sigset_t mask)
{
sigset_t blocked;
siginitset(&current->blocked, mask);
return sigsuspend(&blocked);
}
asmlinkage int compat_sys_sigaction(int sig, asmlinkage int compat_sys_sigaction(int sig,
const struct compat_old_sigaction __user *act, const struct compat_old_sigaction __user *act,
struct compat_old_sigaction __user *oact) struct compat_old_sigaction __user *oact)