linux/arch/riscv/include/asm/ptdump.h
Zong Li b422d28b21 riscv: support DEBUG_WX
Support DEBUG_WX to check whether there are mapping with write and execute
permission at the same time.

[akpm@linux-foundation.org: replace macros with C]
Signed-off-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Link: http://lkml.kernel.org/r/282e266311bced080bc6f7c255b92f87c1eb65d6.1587455584.git.zong.li@sifive.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-03 20:09:50 -07:00

23 lines
338 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2019 SiFive
*/
#ifndef _ASM_RISCV_PTDUMP_H
#define _ASM_RISCV_PTDUMP_H
void ptdump_check_wx(void);
#ifdef CONFIG_DEBUG_WX
static inline void debug_checkwx(void)
{
ptdump_check_wx();
}
#else
static inline void debug_checkwx(void)
{
}
#endif
#endif /* _ASM_RISCV_PTDUMP_H */