diff options
| author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-06-18 08:36:46 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-06-18 08:36:46 +0100 |
| commit | 0107b3cf3225aed6ddde4fa8dbcd4ed643b34f4d (patch) | |
| tree | 9b9337ae627fc56a0eda43c60860765f25efaa0b /arch/ppc64/kernel/syscalls.c | |
| parent | 1c3f45ab2f7f879ea482501c83899505c31f7539 (diff) | |
| parent | 9ee1c939d1cb936b1f98e8d81aeffab57bae46ab (diff) | |
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'arch/ppc64/kernel/syscalls.c')
| -rw-r--r-- | arch/ppc64/kernel/syscalls.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/arch/ppc64/kernel/syscalls.c b/arch/ppc64/kernel/syscalls.c index f2865ff8d2f9..a8cbb202b8cd 100644 --- a/arch/ppc64/kernel/syscalls.c +++ b/arch/ppc64/kernel/syscalls.c @@ -199,24 +199,33 @@ out: return ret; } -static int __init set_fakeppc(char *str) +long ppc64_personality(unsigned long personality) { - if (*str) - return 0; - init_task.personality = PER_LINUX32; - return 1; + long ret; + + if (personality(current->personality) == PER_LINUX32 + && personality == PER_LINUX) + personality = PER_LINUX32; + ret = sys_personality(personality); + if (ret == PER_LINUX32) + ret = PER_LINUX; + return ret; } -__setup("fakeppc", set_fakeppc); -asmlinkage int sys_uname(struct old_utsname __user * name) +long ppc64_newuname(struct new_utsname __user * name) { - int err = -EFAULT; - + int err = 0; + down_read(&uts_sem); - if (name && !copy_to_user(name, &system_utsname, sizeof (*name))) - err = 0; + if (copy_to_user(name, &system_utsname, sizeof(*name))) + err = -EFAULT; up_read(&uts_sem); - + if (!err && personality(current->personality) == PER_LINUX32) { + /* change ppc64 to ppc */ + if (__put_user(0, name->machine + 3) + || __put_user(0, name->machine + 4)) + err = -EFAULT; + } return err; } |