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author | Ingo Molnar <mingo@elte.hu> | 2009-03-13 03:20:49 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-03-13 03:24:53 +0100 |
commit | dd63fdcc63f0f853b116b52e56200a0e0227cf5f (patch) | |
tree | 85cd311ae655787164c7c1247478a69bc251a147 | |
parent | 12074fa1073013dd11f1cff41db018d5cff4ecd9 (diff) | |
download | kernel_samsung_smdk4412-dd63fdcc63f0f853b116b52e56200a0e0227cf5f.zip kernel_samsung_smdk4412-dd63fdcc63f0f853b116b52e56200a0e0227cf5f.tar.gz kernel_samsung_smdk4412-dd63fdcc63f0f853b116b52e56200a0e0227cf5f.tar.bz2 |
x86: unify kmap_atomic_pfn() and iomap_atomic_prot_pfn(), fix
Impact: build fix
Move kmap_atomic_prot_pfn() to iomap_32.c. It is used on all 32-bit
kernels, while highmem_32.c is only built on highmem kernels.
( Note: the debug_kmap_atomic_prot() check is removed for now, that
problem is handled via another patch. )
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
LKML-Reference: <20090311143317.GA22244@localhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r-- | arch/x86/mm/highmem_32.c | 20 | ||||
-rw-r--r-- | arch/x86/mm/iomap_32.c | 18 |
2 files changed, 19 insertions, 19 deletions
diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c index f256e73..522db5e 100644 --- a/arch/x86/mm/highmem_32.c +++ b/arch/x86/mm/highmem_32.c @@ -121,24 +121,8 @@ void kunmap_atomic(void *kvaddr, enum km_type type) pagefault_enable(); } -void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot) -{ - enum fixed_addresses idx; - unsigned long vaddr; - - pagefault_disable(); - - debug_kmap_atomic_prot(type); - - idx = type + KM_TYPE_NR * smp_processor_id(); - vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); - set_pte(kmap_pte - idx, pfn_pte(pfn, prot)); - arch_flush_lazy_mmu_mode(); - - return (void*) vaddr; -} - -/* This is the same as kmap_atomic() but can map memory that doesn't +/* + * This is the same as kmap_atomic() but can map memory that doesn't * have a struct page associated with it. */ void *kmap_atomic_pfn(unsigned long pfn, enum km_type type) diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c index 592984e..6e60ba6 100644 --- a/arch/x86/mm/iomap_32.c +++ b/arch/x86/mm/iomap_32.c @@ -32,7 +32,23 @@ int is_io_mapping_possible(resource_size_t base, unsigned long size) } EXPORT_SYMBOL_GPL(is_io_mapping_possible); -/* Map 'pfn' using fixed map 'type' and protections 'prot' +void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot) +{ + enum fixed_addresses idx; + unsigned long vaddr; + + pagefault_disable(); + + idx = type + KM_TYPE_NR * smp_processor_id(); + vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); + set_pte(kmap_pte - idx, pfn_pte(pfn, prot)); + arch_flush_lazy_mmu_mode(); + + return (void *)vaddr; +} + +/* + * Map 'pfn' using fixed map 'type' and protections 'prot' */ void * iomap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot) |