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

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, Jun 21, 2017 at 03:09:41AM -0600, Jan Beulich wrote:
> >>> 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.
> 

I will just make it return bool. Do you want me to send another version?

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