diff options
| author | Ard Biesheuvel <ardb@kernel.org> | 2021-03-10 20:15:12 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2021-03-11 16:04:28 +0300 |
| commit | 30b2675761b8a1a2b6ef56b535ef51b789bb7150 (patch) | |
| tree | 44cdb06cb98ad574e96eb47947ebc290b30ea604 /arch/arm64 | |
| parent | 7ba8f2b2d652cd8d8a2ab61f4be66973e70f9f88 (diff) | |
| download | linux-30b2675761b8a1a2b6ef56b535ef51b789bb7150.tar.xz | |
arm64: mm: remove unused __cpu_uses_extended_idmap[_level()]
These routines lost all existing users during the latest merge window so
we can remove them. This avoids the need to fix them in the context of
fixing a regression related to the ID map on 52-bit VA kernels.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20210310171515.416643-3-ardb@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/mmu_context.h | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h index 0f467d550f27..bd02e99b1a4c 100644 --- a/arch/arm64/include/asm/mmu_context.h +++ b/arch/arm64/include/asm/mmu_context.h @@ -63,20 +63,6 @@ static inline void cpu_switch_mm(pgd_t *pgd, struct mm_struct *mm) extern u64 idmap_t0sz; extern u64 idmap_ptrs_per_pgd; -static inline bool __cpu_uses_extended_idmap(void) -{ - return unlikely(idmap_t0sz != TCR_T0SZ(vabits_actual)); -} - -/* - * True if the extended ID map requires an extra level of translation table - * to be configured. - */ -static inline bool __cpu_uses_extended_idmap_level(void) -{ - return ARM64_HW_PGTABLE_LEVELS(64 - idmap_t0sz) > CONFIG_PGTABLE_LEVELS; -} - /* * Ensure TCR.T0SZ is set to the provided value. */ |