diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/include/asm/compat.h | 7 | ||||
| -rw-r--r-- | arch/sparc/include/asm/syscall.h | 9 | ||||
| -rw-r--r-- | arch/sparc/kernel/vmlinux.lds.S | 1 | ||||
| -rw-r--r-- | arch/sparc/mm/gup.c | 2 |
4 files changed, 17 insertions, 2 deletions
diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h index 830502fe62b4..6f251c4d613e 100644 --- a/arch/sparc/include/asm/compat.h +++ b/arch/sparc/include/asm/compat.h @@ -307,4 +307,11 @@ static inline int is_compat_task(void) return test_thread_flag(TIF_32BIT); } +static inline bool in_compat_syscall(void) +{ + /* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */ + return pt_regs_trap_type(current_pt_regs()) == 0x110; +} +#define in_compat_syscall in_compat_syscall + #endif /* _ASM_SPARC64_COMPAT_H */ diff --git a/arch/sparc/include/asm/syscall.h b/arch/sparc/include/asm/syscall.h index 49f71fd5b56e..1757cd6c521b 100644 --- a/arch/sparc/include/asm/syscall.h +++ b/arch/sparc/include/asm/syscall.h @@ -3,6 +3,7 @@ #include <uapi/linux/audit.h> #include <linux/kernel.h> +#include <linux/compat.h> #include <linux/sched.h> #include <asm/ptrace.h> #include <asm/thread_info.h> @@ -128,7 +129,13 @@ static inline void syscall_set_arguments(struct task_struct *task, static inline int syscall_get_arch(void) { - return is_32bit_task() ? AUDIT_ARCH_SPARC : AUDIT_ARCH_SPARC64; +#if defined(CONFIG_SPARC64) && defined(CONFIG_COMPAT) + return in_compat_syscall() ? AUDIT_ARCH_SPARC : AUDIT_ARCH_SPARC64; +#elif defined(CONFIG_SPARC64) + return AUDIT_ARCH_SPARC64; +#else + return AUDIT_ARCH_SPARC; +#endif } #endif /* __ASM_SPARC_SYSCALL_H */ diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index f1a2f688b28a..aadd321aa05d 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -48,6 +48,7 @@ SECTIONS LOCK_TEXT KPROBES_TEXT IRQENTRY_TEXT + SOFTIRQENTRY_TEXT *(.gnu.warning) } = 0 _etext = .; diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c index eb3d8e8ebc6b..4e06750a5d29 100644 --- a/arch/sparc/mm/gup.c +++ b/arch/sparc/mm/gup.c @@ -237,7 +237,7 @@ slow: start += nr << PAGE_SHIFT; pages += nr; - ret = get_user_pages_unlocked(current, mm, start, + ret = get_user_pages_unlocked(start, (end - start) >> PAGE_SHIFT, write, 0, pages); /* Have to be a bit careful with return values */ |