diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/frv/kernel/futex.c | 4 | ||||
| -rw-r--r-- | arch/i386/mm/highmem.c | 10 | ||||
| -rw-r--r-- | arch/mips/mm/highmem.c | 10 | ||||
| -rw-r--r-- | arch/s390/lib/uaccess_std.c | 6 | ||||
| -rw-r--r-- | arch/sparc/mm/highmem.c | 8 |
5 files changed, 16 insertions, 22 deletions
diff --git a/arch/frv/kernel/futex.c b/arch/frv/kernel/futex.c index eae874a970c6..53dc5ed1ebda 100644 --- a/arch/frv/kernel/futex.c +++ b/arch/frv/kernel/futex.c @@ -200,7 +200,7 @@ int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) return -EFAULT; - inc_preempt_count(); + pagefault_disable(); switch (op) { case FUTEX_OP_SET: @@ -223,7 +223,7 @@ int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) break; } - dec_preempt_count(); + pagefault_enable(); if (!ret) { switch (cmp) { diff --git a/arch/i386/mm/highmem.c b/arch/i386/mm/highmem.c index f9f647cdbc7b..178bbfe6cbac 100644 --- a/arch/i386/mm/highmem.c +++ b/arch/i386/mm/highmem.c @@ -32,7 +32,7 @@ void *kmap_atomic(struct page *page, enum km_type type) unsigned long vaddr; /* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */ - inc_preempt_count(); + pagefault_disable(); if (!PageHighMem(page)) return page_address(page); @@ -52,8 +52,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type) #ifdef CONFIG_DEBUG_HIGHMEM if (vaddr >= PAGE_OFFSET && vaddr < (unsigned long)high_memory) { - dec_preempt_count(); - preempt_check_resched(); + pagefault_enable(); return; } @@ -68,8 +67,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type) */ kpte_clear_flush(kmap_pte-idx, vaddr); - dec_preempt_count(); - preempt_check_resched(); + pagefault_enable(); } /* This is the same as kmap_atomic() but can map memory that doesn't @@ -80,7 +78,7 @@ void *kmap_atomic_pfn(unsigned long pfn, enum km_type type) enum fixed_addresses idx; unsigned long vaddr; - inc_preempt_count(); + pagefault_disable(); idx = type + KM_TYPE_NR*smp_processor_id(); vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); diff --git a/arch/mips/mm/highmem.c b/arch/mips/mm/highmem.c index 99ebf3ccc222..675502ada5a2 100644 --- a/arch/mips/mm/highmem.c +++ b/arch/mips/mm/highmem.c @@ -39,7 +39,7 @@ void *__kmap_atomic(struct page *page, enum km_type type) unsigned long vaddr; /* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */ - inc_preempt_count(); + pagefault_disable(); if (!PageHighMem(page)) return page_address(page); @@ -62,8 +62,7 @@ void __kunmap_atomic(void *kvaddr, enum km_type type) enum fixed_addresses idx = type + KM_TYPE_NR*smp_processor_id(); if (vaddr < FIXADDR_START) { // FIXME - dec_preempt_count(); - preempt_check_resched(); + pagefault_enable(); return; } @@ -78,8 +77,7 @@ void __kunmap_atomic(void *kvaddr, enum km_type type) local_flush_tlb_one(vaddr); #endif - dec_preempt_count(); - preempt_check_resched(); + pagefault_enable(); } #ifndef CONFIG_LIMITED_DMA @@ -92,7 +90,7 @@ void *kmap_atomic_pfn(unsigned long pfn, enum km_type type) enum fixed_addresses idx; unsigned long vaddr; - inc_preempt_count(); + pagefault_disable(); idx = type + KM_TYPE_NR*smp_processor_id(); vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); diff --git a/arch/s390/lib/uaccess_std.c b/arch/s390/lib/uaccess_std.c index 2d549ed2e113..bbaca66fa293 100644 --- a/arch/s390/lib/uaccess_std.c +++ b/arch/s390/lib/uaccess_std.c @@ -11,7 +11,7 @@ #include <linux/errno.h> #include <linux/mm.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/futex.h> #ifndef __s390x__ @@ -258,7 +258,7 @@ int futex_atomic_op(int op, int __user *uaddr, int oparg, int *old) { int oldval = 0, newval, ret; - inc_preempt_count(); + pagefault_disable(); switch (op) { case FUTEX_OP_SET: @@ -284,7 +284,7 @@ int futex_atomic_op(int op, int __user *uaddr, int oparg, int *old) default: ret = -ENOSYS; } - dec_preempt_count(); + pagefault_enable(); *old = oldval; return ret; } diff --git a/arch/sparc/mm/highmem.c b/arch/sparc/mm/highmem.c index 4d8ed9c65182..01fc6c254292 100644 --- a/arch/sparc/mm/highmem.c +++ b/arch/sparc/mm/highmem.c @@ -35,7 +35,7 @@ void *kmap_atomic(struct page *page, enum km_type type) unsigned long vaddr; /* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */ - inc_preempt_count(); + pagefault_disable(); if (!PageHighMem(page)) return page_address(page); @@ -70,8 +70,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type) unsigned long idx = type + KM_TYPE_NR*smp_processor_id(); if (vaddr < FIXADDR_START) { // FIXME - dec_preempt_count(); - preempt_check_resched(); + pagefault_enable(); return; } @@ -97,8 +96,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type) #endif #endif - dec_preempt_count(); - preempt_check_resched(); + pagefault_enable(); } /* We may be fed a pagetable here by ptep_to_xxx and others. */ |