diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc/include/asm/processor_64.h | 4 | ||||
| -rw-r--r-- | arch/sparc/include/asm/uaccess_64.h | 4 | ||||
| -rw-r--r-- | arch/sparc64/kernel/pci.c | 10 |
3 files changed, 13 insertions, 5 deletions
diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h index 137a6bd72fc..59fcebb8f44 100644 --- a/arch/sparc/include/asm/processor_64.h +++ b/arch/sparc/include/asm/processor_64.h @@ -36,10 +36,10 @@ #define VPTE_SIZE (1 << (VA_BITS - PAGE_SHIFT + 3)) #endif -#define TASK_SIZE ((unsigned long)-VPTE_SIZE) #define TASK_SIZE_OF(tsk) \ (test_tsk_thread_flag(tsk,TIF_32BIT) ? \ - (1UL << 32UL) : TASK_SIZE) + (1UL << 32UL) : ((unsigned long)-VPTE_SIZE)) +#define TASK_SIZE TASK_SIZE_OF(current) #ifdef __KERNEL__ #define STACK_TOP32 ((1UL << 32UL) - PAGE_SIZE) diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index 296ef30e05c..c64e767a3e4 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -265,8 +265,8 @@ extern long __strnlen_user(const char __user *, long len); #define strlen_user __strlen_user #define strnlen_user __strnlen_user -#define __copy_to_user_inatomic __copy_to_user -#define __copy_from_user_inatomic __copy_from_user +#define __copy_to_user_inatomic ___copy_to_user +#define __copy_from_user_inatomic ___copy_from_user #endif /* __ASSEMBLY__ */ diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index 242ac1ccae7..bdb7c0a6d83 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -889,6 +889,7 @@ static int __pci_mmap_make_offset(struct pci_dev *pdev, for (i = 0; i <= PCI_ROM_RESOURCE; i++) { struct resource *rp = &pdev->resource[i]; + resource_size_t aligned_end; /* Active? */ if (!rp->flags) @@ -906,8 +907,15 @@ static int __pci_mmap_make_offset(struct pci_dev *pdev, continue; } + /* Align the resource end to the next page address. + * PAGE_SIZE intentionally added instead of (PAGE_SIZE - 1), + * because actually we need the address of the next byte + * after rp->end. + */ + aligned_end = (rp->end + PAGE_SIZE) & PAGE_MASK; + if ((rp->start <= user_paddr) && - (user_paddr + user_size) <= (rp->end + 1UL)) + (user_paddr + user_size) <= aligned_end) break; } |