diff options
Diffstat (limited to 'arch/tile')
| -rw-r--r-- | arch/tile/Kconfig | 8 | ||||
| -rw-r--r-- | arch/tile/include/asm/uaccess.h | 7 | ||||
| -rw-r--r-- | arch/tile/lib/uaccess.c | 8 |
3 files changed, 7 insertions, 16 deletions
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig index 25877ae..0f712f4 100644 --- a/arch/tile/Kconfig +++ b/arch/tile/Kconfig @@ -19,6 +19,7 @@ config TILE select HAVE_SYSCALL_WRAPPERS if TILEGX select VIRT_TO_BUS select SYS_HYPERVISOR + select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_CLOCKEVENTS select MODULES_USE_ELF_RELA @@ -114,13 +115,6 @@ config STRICT_DEVMEM config SMP def_bool y -# Allow checking for compile-time determined overflow errors in -# copy_from_user(). There are still unprovable places in the -# generic code as of 2.6.34, so this option is not really compatible -# with -Werror, which is more useful in general. -config DEBUG_COPY_FROM_USER - def_bool n - config HVC_TILE depends on TTY select HVC_DRIVER diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h index 9ab078a..8a082bc 100644 --- a/arch/tile/include/asm/uaccess.h +++ b/arch/tile/include/asm/uaccess.h @@ -395,7 +395,12 @@ _copy_from_user(void *to, const void __user *from, unsigned long n) return n; } -#ifdef CONFIG_DEBUG_COPY_FROM_USER +#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS +/* + * There are still unprovable places in the generic code as of 2.6.34, so this + * option is not really compatible with -Werror, which is more useful in + * general. + */ extern void copy_from_user_overflow(void) __compiletime_warning("copy_from_user() size is not provably correct"); diff --git a/arch/tile/lib/uaccess.c b/arch/tile/lib/uaccess.c index f8d398c..030abe3 100644 --- a/arch/tile/lib/uaccess.c +++ b/arch/tile/lib/uaccess.c @@ -22,11 +22,3 @@ int __range_ok(unsigned long addr, unsigned long size) is_arch_mappable_range(addr, size)); } EXPORT_SYMBOL(__range_ok); - -#ifdef CONFIG_DEBUG_COPY_FROM_USER -void copy_from_user_overflow(void) -{ - WARN(1, "Buffer overflow detected!\n"); -} -EXPORT_SYMBOL(copy_from_user_overflow); -#endif |