x86/traps: Move pf error codes to <asm/trap_pf.h> (05a2fdf3) · Commits · 戴 / test

arch/x86/include/asm/trap_pf.h

0 → 100644

+24 −0

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0 */
		#ifndef _ASM_X86_TRAP_PF_H
		#define _ASM_X86_TRAP_PF_H

		/*
		* Page fault error code bits:
		*
		* bit 0 == 0: no page found 1: protection fault
		* bit 1 == 0: read access 1: write access
		* bit 2 == 0: kernel-mode access 1: user-mode access
		* bit 3 == 1: use of reserved bit detected
		* bit 4 == 1: fault was an instruction fetch
		* bit 5 == 1: protection keys block access
		*/
		enum x86_pf_error_code {
		X86_PF_PROT = 1 << 0,
		X86_PF_WRITE = 1 << 1,
		X86_PF_USER = 1 << 2,
		X86_PF_RSVD = 1 << 3,
		X86_PF_INSTR = 1 << 4,
		X86_PF_PK = 1 << 5,
		};

		#endif /* _ASM_X86_TRAP_PF_H */

+1 −18

Original line number	Diff line number	Diff line
		@@ -8,6 +8,7 @@
		#include <asm/debugreg.h>
		#include <asm/idtentry.h>
		#include <asm/siginfo.h> /* TRAP_TRACE, ... */
		#include <asm/trap_pf.h>

		#ifdef CONFIG_X86_64
		asmlinkage __visible notrace struct pt_regs sync_regs(struct pt_regs eregs);
		@@ -41,22 +42,4 @@ void __noreturn handle_stack_overflow(const char *message,
		unsigned long fault_address);
		#endif

		/*
		* Page fault error code bits:
		*
		* bit 0 == 0: no page found 1: protection fault
		* bit 1 == 0: read access 1: write access
		* bit 2 == 0: kernel-mode access 1: user-mode access
		* bit 3 == 1: use of reserved bit detected
		* bit 4 == 1: fault was an instruction fetch
		* bit 5 == 1: protection keys block access
		*/
		enum x86_pf_error_code {
		X86_PF_PROT = 1 << 0,
		X86_PF_WRITE = 1 << 1,
		X86_PF_USER = 1 << 2,
		X86_PF_RSVD = 1 << 3,
		X86_PF_INSTR = 1 << 4,
		X86_PF_PK = 1 << 5,
		};
		#endif /* _ASM_X86_TRAPS_H */