diff options
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/barrier.h | 15 | ||||
| -rw-r--r-- | include/asm-generic/seccomp.h | 29 | ||||
| -rw-r--r-- | include/asm-generic/syscall.h | 4 |
3 files changed, 45 insertions, 3 deletions
diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h index 639d7a4d033b..01613b382b0e 100644 --- a/include/asm-generic/barrier.h +++ b/include/asm-generic/barrier.h @@ -46,5 +46,20 @@ #define read_barrier_depends() do {} while (0) #define smp_read_barrier_depends() do {} while (0) +#define smp_store_release(p, v) \ +do { \ + compiletime_assert_atomic_type(*p); \ + smp_mb(); \ + ACCESS_ONCE(*p) = (v); \ +} while (0) + +#define smp_load_acquire(p) \ +({ \ + typeof(*p) ___p1 = ACCESS_ONCE(*p); \ + compiletime_assert_atomic_type(*p); \ + smp_mb(); \ + ___p1; \ +}) + #endif /* !__ASSEMBLY__ */ #endif /* __ASM_GENERIC_BARRIER_H */ diff --git a/include/asm-generic/seccomp.h b/include/asm-generic/seccomp.h new file mode 100644 index 000000000000..663ac3dc02ea --- /dev/null +++ b/include/asm-generic/seccomp.h @@ -0,0 +1,29 @@ +/* + * include/asm-generic/seccomp.h + * + * Copyright (C) 2014 Linaro Limited + * Author: AKASHI Takahiro <takahiro.akashi <at> linaro.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef _ASM_GENERIC_SECCOMP_H +#define _ASM_GENERIC_SECCOMP_H + +#include <asm-generic/unistd.h> + +#if defined(CONFIG_COMPAT) && !defined(__NR_seccomp_read_32) +#define __NR_seccomp_read_32 __NR_read +#define __NR_seccomp_write_32 __NR_write +#define __NR_seccomp_exit_32 __NR_exit +#define __NR_seccomp_sigreturn_32 __NR_rt_sigreturn +#endif /* CONFIG_COMPAT && ! already defined */ + +#define __NR_seccomp_read __NR_read +#define __NR_seccomp_write __NR_write +#define __NR_seccomp_exit __NR_exit +#define __NR_seccomp_sigreturn __NR_rt_sigreturn + +#endif /* _ASM_GENERIC_SECCOMP_H */ + diff --git a/include/asm-generic/syscall.h b/include/asm-generic/syscall.h index 5b09392db673..d401e5463fb0 100644 --- a/include/asm-generic/syscall.h +++ b/include/asm-generic/syscall.h @@ -144,8 +144,6 @@ void syscall_set_arguments(struct task_struct *task, struct pt_regs *regs, /** * syscall_get_arch - return the AUDIT_ARCH for the current system call - * @task: task of interest, must be in system call entry tracing - * @regs: task_pt_regs() of @task * * Returns the AUDIT_ARCH_* based on the system call convention in use. * @@ -155,5 +153,5 @@ void syscall_set_arguments(struct task_struct *task, struct pt_regs *regs, * Architectures which permit CONFIG_HAVE_ARCH_SECCOMP_FILTER must * provide an implementation of this. */ -int syscall_get_arch(struct task_struct *task, struct pt_regs *regs); +int syscall_get_arch(void); #endif /* _ASM_SYSCALL_H */ |