On Tue, 09 Jan 2007 17:25:26 +0100
Pierre Peiffer <[email protected]> wrote:
> static inline int
> +futex_atomic_op_inuser64 (int encoded_op, u64 __user *uaddr)
Your email client performs space-stuffing. Please see if you can turn that
off. (It's fixable at my end with s/^ /^/g but it's a nuisance).
> +{
> + int op = (encoded_op >> 28) & 7;
> + int cmp = (encoded_op >> 24) & 15;
> + u64 oparg = (encoded_op << 8) >> 20;
> + u64 cmparg = (encoded_op << 20) >> 20;
> + u64 oldval = 0, ret, tem;
> +
> + if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
> + oparg = 1 << oparg;
> +
> + if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u64)))
> + return -EFAULT;
> +
> + inc_preempt_count();
What is that open-coded, uncommented inc_preempt_count() doing in there?
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