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| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2014-10-20 16:41:38 +0200 |
|---|---|---|
| committer | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2015-01-12 16:29:32 +0000 |
| commit | 9679be103108926cfe9e6fd2f6829cefa77e47b0 (patch) | |
| tree | 1456199ed7f9038ffc664cebb31bad9e0c35414d /arch/arm64/mm/mmu.c | |
| parent | 3033b84596eaec0093b68c5711c265738eb0745d (diff) | |
| download | op-kernel-dev-9679be103108926cfe9e6fd2f6829cefa77e47b0.zip op-kernel-dev-9679be103108926cfe9e6fd2f6829cefa77e47b0.tar.gz | |
arm64/efi: remove idmap manipulations from UEFI code
Now that we have moved the call to SetVirtualAddressMap() to the stub,
UEFI has no use for the ID map, so we can drop the code that installs
ID mappings for UEFI memory regions.
Acked-by: Leif Lindholm <leif.lindholm@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Tested-by: Leif Lindholm <leif.lindholm@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Diffstat (limited to 'arch/arm64/mm/mmu.c')
| -rw-r--r-- | arch/arm64/mm/mmu.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 3f3d5aa..3286385 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -271,18 +271,6 @@ static void __init create_mapping(phys_addr_t phys, unsigned long virt, size, PAGE_KERNEL_EXEC); } -void __init create_id_mapping(phys_addr_t addr, phys_addr_t size, int map_io) -{ - if ((addr >> PGDIR_SHIFT) >= ARRAY_SIZE(idmap_pg_dir)) { - pr_warn("BUG: not creating id mapping for %pa\n", &addr); - return; - } - __create_mapping(&init_mm, &idmap_pg_dir[pgd_index(addr)], - addr, addr, size, - map_io ? __pgprot(PROT_DEVICE_nGnRE) - : PAGE_KERNEL_EXEC); -} - void __init create_pgd_mapping(struct mm_struct *mm, phys_addr_t phys, unsigned long virt, phys_addr_t size, pgprot_t prot) |
