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- /* 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
- * bit 15 == 1: SGX MMU page-fault
- */
- 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,
- X86_PF_SGX = 1 << 15,
- };
- #endif /* _ASM_X86_TRAP_PF_H */
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