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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-22 04:25:53 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-22 04:25:53 +0200 |
| commit | 9d401279d682280a92db8193ede8415c34588207 (patch) | |
| tree | 07d9c01fdbc136b101a5eb369d91191eabeb74ed /arch | |
| parent | powerpc: take dereferencing to ret_from_kernel_thread() (diff) | |
| download | linux-9d401279d682280a92db8193ede8415c34588207.tar.xz linux-9d401279d682280a92db8193ede8415c34588207.zip | |
powerpc: don't bother with zero-extending arguments in sys_clone()
... since the syscall glue had been doing that for 9 years already.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/process.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 8c600c3f6613..471c52cfc1fb 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1025,8 +1025,6 @@ int get_unalign_ctl(struct task_struct *tsk, unsigned long adr) return put_user(tsk->thread.align_ctl, (unsigned int __user *)adr); } -#define TRUNC_PTR(x) ((typeof(x))(((unsigned long)(x)) & 0xffffffff)) - int sys_clone(unsigned long clone_flags, unsigned long usp, int __user *parent_tidp, void __user *child_threadptr, int __user *child_tidp, int p6, @@ -1035,12 +1033,6 @@ int sys_clone(unsigned long clone_flags, unsigned long usp, CHECK_FULL_REGS(regs); if (usp == 0) usp = regs->gpr[1]; /* stack pointer for child */ -#ifdef CONFIG_PPC64 - if (is_32bit_task()) { - parent_tidp = TRUNC_PTR(parent_tidp); - child_tidp = TRUNC_PTR(child_tidp); - } -#endif return do_fork(clone_flags, usp, regs, 0, parent_tidp, child_tidp); } |