diff options
| author | Anshuman Khandual <anshuman.khandual@arm.com> | 2025-10-15 03:10:24 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2025-11-07 20:01:34 +0000 |
| commit | fc1abd409318b81274566e1808c598b0b0462dc6 (patch) | |
| tree | d53c4c2cbba0ece06c09f6f19eb8da4030273fb2 | |
| parent | bf6b3fed186665cecbf0cf8be72da15d6585bfb0 (diff) | |
arm64/mm: Drop cpu_set_[default|idmap]_tcr_t0sz()
These TCR_El1 helpers don't have any other callers. Drop these redundant
indirections completely thus making this code more compact and readable.
No functional change.
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| -rw-r--r-- | arch/arm64/include/asm/mmu_context.h | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h index 0dbe3b29049b..1263ab98f836 100644 --- a/arch/arm64/include/asm/mmu_context.h +++ b/arch/arm64/include/asm/mmu_context.h @@ -62,11 +62,6 @@ static inline void cpu_switch_mm(pgd_t *pgd, struct mm_struct *mm) } /* - * TCR.T0SZ value to use when the ID map is active. - */ -#define idmap_t0sz TCR_T0SZ(IDMAP_VA_BITS) - -/* * Ensure TCR.T0SZ is set to the provided value. */ static inline void __cpu_set_tcr_t0sz(unsigned long t0sz) @@ -82,9 +77,6 @@ static inline void __cpu_set_tcr_t0sz(unsigned long t0sz) isb(); } -#define cpu_set_default_tcr_t0sz() __cpu_set_tcr_t0sz(TCR_T0SZ(vabits_actual)) -#define cpu_set_idmap_tcr_t0sz() __cpu_set_tcr_t0sz(idmap_t0sz) - /* * Remove the idmap from TTBR0_EL1 and install the pgd of the active mm. * @@ -103,7 +95,7 @@ static inline void cpu_uninstall_idmap(void) cpu_set_reserved_ttbr0(); local_flush_tlb_all(); - cpu_set_default_tcr_t0sz(); + __cpu_set_tcr_t0sz(TCR_T0SZ(vabits_actual)); if (mm != &init_mm && !system_uses_ttbr0_pan()) cpu_switch_mm(mm->pgd, mm); @@ -113,7 +105,7 @@ static inline void cpu_install_idmap(void) { cpu_set_reserved_ttbr0(); local_flush_tlb_all(); - cpu_set_idmap_tcr_t0sz(); + __cpu_set_tcr_t0sz(TCR_T0SZ(IDMAP_VA_BITS)); cpu_switch_mm(lm_alias(idmap_pg_dir), &init_mm); } |
