Re: [Xen-devel] [PATCH v4 04/27] x86: move PV invalid op emulation code

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 21.06.17 at 10:57, <wei.liu2@xxxxxxxxxx> wrote:
> +int pv_emulate_invalid_op(struct cpu_user_regs *regs)
> +{
> +    return !emulate_invalid_rdtscp(regs) && !emulate_forced_invalid_op(regs);
> +}

This way you want to make the function return bool. Alternatively
you would want to preserve the EXCRET_* return value here, and
handle it accordingly in the caller.

Jan


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