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| author | Ingo Molnar <mingo@kernel.org> | 2016-05-05 09:57:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-05-05 09:57:27 +0200 |
| commit | e8c8ce54807b19e90ac84e609b13f7d4e337eab1 (patch) | |
| tree | ae7d65ae17d55aee197b605ce1a193fe594af614 /drivers/firmware/efi/arm-init.c | |
| parent | 5db4298133d99b3dfc60d6899ac9df169769c899 (diff) | |
| parent | 04974df8049fc4240d22759a91e035082ccd18b4 (diff) | |
Merge tag 'v4.6-rc6' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/firmware/efi/arm-init.c')
| -rw-r--r-- | drivers/firmware/efi/arm-init.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c index aa1f743152a2..8714f8c271ba 100644 --- a/drivers/firmware/efi/arm-init.c +++ b/drivers/firmware/efi/arm-init.c @@ -203,7 +203,19 @@ void __init efi_init(void) reserve_regions(); early_memunmap(memmap.map, params.mmap_size); - memblock_mark_nomap(params.mmap & PAGE_MASK, - PAGE_ALIGN(params.mmap_size + - (params.mmap & ~PAGE_MASK))); + + if (IS_ENABLED(CONFIG_ARM)) { + /* + * ARM currently does not allow ioremap_cache() to be called on + * memory regions that are covered by struct page. So remove the + * UEFI memory map from the linear mapping. + */ + memblock_mark_nomap(params.mmap & PAGE_MASK, + PAGE_ALIGN(params.mmap_size + + (params.mmap & ~PAGE_MASK))); + } else { + memblock_reserve(params.mmap & PAGE_MASK, + PAGE_ALIGN(params.mmap_size + + (params.mmap & ~PAGE_MASK))); + } } |