Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
32 lines
649 B
C
32 lines
649 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* arm64 KFENCE support.
|
|
*
|
|
* Copyright (C) 2020, Google LLC.
|
|
*/
|
|
|
|
#ifndef __ASM_KFENCE_H
|
|
#define __ASM_KFENCE_H
|
|
|
|
#include <asm/set_memory.h>
|
|
|
|
static inline bool kfence_protect_page(unsigned long addr, bool protect)
|
|
{
|
|
set_memory_valid(addr, 1, !protect);
|
|
|
|
return true;
|
|
}
|
|
|
|
#ifdef CONFIG_KFENCE
|
|
extern bool kfence_early_init;
|
|
static inline bool arm64_kfence_can_set_direct_map(void)
|
|
{
|
|
return !kfence_early_init;
|
|
}
|
|
bool arch_kfence_init_pool(void);
|
|
#else /* CONFIG_KFENCE */
|
|
static inline bool arm64_kfence_can_set_direct_map(void) { return false; }
|
|
#endif /* CONFIG_KFENCE */
|
|
|
|
#endif /* __ASM_KFENCE_H */
|