[mirror_ubuntu-artful-kernel.git] / include / linux / nospec.h

// SPDX-License-Identifier: GPL-2.0
// Copyright(c) 2018 Linus Torvalds. All rights reserved.
// Copyright(c) 2018 Alexei Starovoitov. All rights reserved.
// Copyright(c) 2018 Intel Corporation. All rights reserved.

#ifndef _LINUX_NOSPEC_H
#define _LINUX_NOSPEC_H
#include <asm/barrier.h>

struct task_struct;

/* Speculation control prctl */
int arch_prctl_spec_ctrl_get(struct task_struct *task, unsigned long which);
int arch_prctl_spec_ctrl_set(struct task_struct *task, unsigned long which,
			     unsigned long ctrl);
/* Speculation control for seccomp enforced mitigation */
void arch_seccomp_spec_mitigate(struct task_struct *task);

#endif /* _LINUX_NOSPEC_H */
Commit	Line	Data
f12a33c4 TG	1	// SPDX-License-Identifier: GPL-2.0
	2	// Copyright(c) 2018 Linus Torvalds. All rights reserved.
	3	// Copyright(c) 2018 Alexei Starovoitov. All rights reserved.
	4	// Copyright(c) 2018 Intel Corporation. All rights reserved.
	5
	6	#ifndef _LINUX_NOSPEC_H
	7	#define _LINUX_NOSPEC_H
	8	#include <asm/barrier.h>
	9
bd90e222 KC	10	struct task_struct;
bd90e222 KC	11
f12a33c4	12	/* Speculation control prctl */
bd90e222 KC	13	int arch_prctl_spec_ctrl_get(struct task_struct *task, unsigned long which);
	14	int arch_prctl_spec_ctrl_set(struct task_struct *task, unsigned long which,
	15	unsigned long ctrl);
32e3c480 TG	16	/* Speculation control for seccomp enforced mitigation */
32e3c480 TG	17	void arch_seccomp_spec_mitigate(struct task_struct *task);
f12a33c4 TG	18
f12a33c4 TG	19	#endif /* _LINUX_NOSPEC_H */