diff options
Diffstat (limited to 'arch/um/sys-x86_64/syscalls.c')
| -rw-r--r-- | arch/um/sys-x86_64/syscalls.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c index 68205a03364c..15768c96ceb4 100644 --- a/arch/um/sys-x86_64/syscalls.c +++ b/arch/um/sys-x86_64/syscalls.c @@ -14,6 +14,7 @@ #include "asm/prctl.h" /* XXX This should get the constants from libc */ #include "choose-mode.h" +/* XXX: copied from x86-64: arch/x86_64/kernel/sys_x86_64.c */ asmlinkage long wrap_sys_shmat(int shmid, char __user *shmaddr, int shmflg) { unsigned long raddr; @@ -21,6 +22,17 @@ asmlinkage long wrap_sys_shmat(int shmid, char __user *shmaddr, int shmflg) return do_shmat(shmid, shmaddr, shmflg, &raddr) ?: (long) raddr; } +asmlinkage long sys_uname64(struct new_utsname __user * name) +{ + int err; + down_read(&uts_sem); + err = copy_to_user(name, &system_utsname, sizeof (*name)); + up_read(&uts_sem); + if (personality(current->personality) == PER_LINUX32) + err |= copy_to_user(&name->machine, "i686", 5); + return err ? -EFAULT : 0; +} + #ifdef CONFIG_MODE_TT extern int modify_ldt(int func, void *ptr, unsigned long bytecount); |