On Sun, Dec 20, 2015 at 02:28:48PM +0100, Thomas Gleixner wrote:
> So this is a copy of the above !SMP inline. What's wrong with providing:
>
> int rmwmsrl_safe(msr_no, clear_mask, set_mask)
>
> in x86/lib/msr.c and make the !SMP variant of rdmsrl_safe_on_cpu() and that
> variant for the SMP cas
Jacob,
On Fri, 11 Dec 2015, Jacob Pan wrote:
> +static inline int rmwmsrl_safe_on_cpu(unsigned int cpu, u32 msr_no, u64
> mask, u64 bits)
> +{
> + int err;
> + u64 val;
> +
> + err = rdmsrl_safe(msr_no, &val);
> + if (err)
> + goto out;
> +
> + val &= ~mask;
> +
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