linux-kernel - Re: [PATCH V2 03/14] x86/set_memory: Add x86_set_memory

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Date:   Thu, 5 Aug 2021 16:11:19 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Tianyu Lan <ltykernel@...il.com>
Cc:     Dave Hansen <dave.hansen@...el.com>, kys@...rosoft.com,
        haiyangz@...rosoft.com, sthemmin@...rosoft.com, wei.liu@...nel.org,
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Subject: Re: [PATCH V2 03/14] x86/set_memory: Add x86_set_memory_enc static
 call support

On Thu, Aug 05, 2021 at 10:05:17PM +0800, Tianyu Lan wrote:
> +static int default_set_memory_enc(unsigned long addr, int numpages, bool
> enc)
> +{
> +	return 0;
> +}
> +
> +DEFINE_STATIC_CALL(x86_set_memory_enc, default_set_memory_enc);

That's spelled:

DEFINE_STATIC_CALL_RET0(x86_set_memory_enc, __set_memory_enc_dec);

And then you can remove the default_set_memory_enc() thing.