mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
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Christophe Leroy
6cdc82db0c
Have ptdump_check_wx() return true when the check is successful or false otherwise. [[email protected]: fix a couple of build issues (x86_64 allmodconfig)] Link: https://lkml.kernel.org/r/7943149fe955458cb7b57cd483bf41a3aad94684.1706610398.git.christophe.leroy@csgroup.eu Signed-off-by: Christophe Leroy <[email protected]> Cc: Albert Ou <[email protected]> Cc: Alexander Gordeev <[email protected]> Cc: Alexandre Ghiti <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: "Aneesh Kumar K.V (IBM)" <[email protected]> Cc: Borislav Petkov (AMD) <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Christian Borntraeger <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Gerald Schaefer <[email protected]> Cc: Greg KH <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Kees Cook <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: "Naveen N. Rao" <[email protected]> Cc: Nicholas Piggin <[email protected]> Cc: Palmer Dabbelt <[email protected]> Cc: Paul Walmsley <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Phong Tran <[email protected]> Cc: Russell King <[email protected]> Cc: Steven Price <[email protected]> Cc: Sven Schnelle <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Vasily Gorbik <[email protected]> Cc: Will Deacon <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
34 lines
815 B
C
34 lines
815 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_PTDUMP_H
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#define _LINUX_PTDUMP_H
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#include <linux/mm_types.h>
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struct ptdump_range {
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unsigned long start;
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unsigned long end;
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};
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struct ptdump_state {
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/* level is 0:PGD to 4:PTE, or -1 if unknown */
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void (*note_page)(struct ptdump_state *st, unsigned long addr,
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int level, u64 val);
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void (*effective_prot)(struct ptdump_state *st, int level, u64 val);
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const struct ptdump_range *range;
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};
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bool ptdump_walk_pgd_level_core(struct seq_file *m,
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struct mm_struct *mm, pgd_t *pgd,
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bool checkwx, bool dmesg);
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void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd);
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bool ptdump_check_wx(void);
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static inline void debug_checkwx(void)
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{
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if (IS_ENABLED(CONFIG_DEBUG_WX))
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ptdump_check_wx();
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}
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#endif /* _LINUX_PTDUMP_H */
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