summaryrefslogtreecommitdiff
path: root/arch/arm64/include/asm
diff options
context:
space:
mode:
authorAnshuman Khandual <anshuman.khandual@arm.com>2025-01-07 07:25:29 +0530
committerWill Deacon <will@kernel.org>2025-01-07 16:47:45 +0000
commitfe2169f556a1dd06e81ecab4ec25ce19f3f99cbd (patch)
tree3117258850793e877ebdd62a178606953f687579 /arch/arm64/include/asm
parent169226583097ee52089e2268c09e3dc241e7a972 (diff)
arm64/mm: Replace open encodings with PXD_TABLE_BIT
[pgd|p4d]_bad() helpers have open encodings for their respective table bits which can be replaced with corresponding macros. This makes things clearer, thus improving their readability as well. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Ard Biesheuvel <ardb@kernel.org> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Ryan Roberts <ryan.roberts@arm.com> Reviewed-by: Gavin Shan <gshan@redhat.com> Link: https://lore.kernel.org/r/20250107015529.798319-1-anshuman.khandual@arm.com Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/include/asm')
-rw-r--r--arch/arm64/include/asm/pgtable.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 612bc1ef500d..f0ba0f47f61a 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -896,7 +896,7 @@ static inline bool mm_pud_folded(const struct mm_struct *mm)
pr_err("%s:%d: bad pud %016llx.\n", __FILE__, __LINE__, pud_val(e))
#define p4d_none(p4d) (pgtable_l4_enabled() && !p4d_val(p4d))
-#define p4d_bad(p4d) (pgtable_l4_enabled() && !(p4d_val(p4d) & 2))
+#define p4d_bad(p4d) (pgtable_l4_enabled() && !(p4d_val(p4d) & P4D_TABLE_BIT))
#define p4d_present(p4d) (!p4d_none(p4d))
static inline void set_p4d(p4d_t *p4dp, p4d_t p4d)
@@ -1023,7 +1023,7 @@ static inline bool mm_p4d_folded(const struct mm_struct *mm)
pr_err("%s:%d: bad p4d %016llx.\n", __FILE__, __LINE__, p4d_val(e))
#define pgd_none(pgd) (pgtable_l5_enabled() && !pgd_val(pgd))
-#define pgd_bad(pgd) (pgtable_l5_enabled() && !(pgd_val(pgd) & 2))
+#define pgd_bad(pgd) (pgtable_l5_enabled() && !(pgd_val(pgd) & PGD_TABLE_BIT))
#define pgd_present(pgd) (!pgd_none(pgd))
static inline void set_pgd(pgd_t *pgdp, pgd_t pgd)