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Date:   Tue, 22 Mar 2022 01:42:50 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Jane Chu <jane.chu@oracle.com>
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Subject: Re: [PATCH v6 2/6] x86/mce: relocate set{clear}_mce_nospec()
 functions
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References: <20220319062833.3136528-1-jane.chu@oracle.com>
 <20220319062833.3136528-3-jane.chu@oracle.com>
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> +EXPORT_SYMBOL(set_mce_nospec);

No need for this export at all.

> +
> +/* Restore full speculative operation to the pfn. */
> +int clear_mce_nospec(unsigned long pfn)
> +{
> +	return set_memory_wb((unsigned long) pfn_to_kaddr(pfn), 1);
> +}
> +EXPORT_SYMBOL(clear_mce_nospec);

And this should be EXPORT_SYMBOL_GPL.