]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
arm64/mm: Drop cpu_set_[default|idmap]_tcr_t0sz()
authorAnshuman Khandual <anshuman.khandual@arm.com>
Wed, 15 Oct 2025 02:10:24 +0000 (03:10 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Fri, 7 Nov 2025 20:01:34 +0000 (20:01 +0000)
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>
arch/arm64/include/asm/mmu_context.h

index 0dbe3b29049b742327ea391c13c1813bc8f312f8..1263ab98f836cc033d0ef184b4f36ea302abba5d 100644 (file)
@@ -61,11 +61,6 @@ static inline void cpu_switch_mm(pgd_t *pgd, struct mm_struct *mm)
        cpu_do_switch_mm(virt_to_phys(pgd),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.
  */
@@ -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);
 }