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Commit 84b9e9b4 authored by Al Viro's avatar Al Viro
Browse files

arm64: switch compat to generic old sigsuspend 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 4cd2b2fa

arch/arm64/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -208,6 +208,7 @@ config COMPAT 
	depends on !ARM64_64K_PAGES

	select COMPAT_BINFMT_ELF

	select HAVE_UID16

	select OLD_SIGSUSPEND3

	help

	  This option enables support for a 32-bit EL0 running under a 64-bit

	  kernel at EL1. AArch32-specific components such as system calls,

arch/arm64/include/asm/unistd32.h

+1 −1
Original line number Diff line number Diff line
@@ -93,7 +93,7 @@ __SYSCALL(68, sys_ni_syscall) /* 68 was sys_sgetmask */ 
__SYSCALL(69,  sys_ni_syscall)			/* 69 was sys_ssetmask */

__SYSCALL(70,  sys_setreuid16)

__SYSCALL(71,  sys_setregid16)

__SYSCALL(72,  compat_sys_sigsuspend)

__SYSCALL(72,  sys_sigsuspend)

__SYSCALL(73,  compat_sys_sigpending)

__SYSCALL(74,  sys_sethostname)

__SYSCALL(75,  compat_sys_setrlimit)

arch/arm64/kernel/signal32.c

+0 −12
Original line number Diff line number Diff line
@@ -333,18 +333,6 @@ static int compat_restore_vfp_context(struct compat_vfp_sigframe __user *frame) 
	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,

				    const struct compat_old_sigaction __user *act,

				    struct compat_old_sigaction __user *oact)