Messages in this thread | | | Date | Thu, 9 May 2019 00:21:00 +0300 | From | "Kirill A. Shutemov" <> | Subject | Re: [PATCH, RFC 52/62] x86/mm: introduce common code for mem encryption |
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On Wed, May 08, 2019 at 08:52:25PM +0000, Jacob Pan wrote: > On Wed, 8 May 2019 09:58:30 -0700 > Christoph Hellwig <hch@infradead.org> wrote: > > > On Wed, May 08, 2019 at 05:44:12PM +0300, Kirill A. Shutemov wrote: > > > +EXPORT_SYMBOL_GPL(__mem_encrypt_dma_set); > > > + > > > +phys_addr_t __mem_encrypt_dma_clear(phys_addr_t paddr) > > > +{ > > > + if (sme_active()) > > > + return __sme_clr(paddr); > > > + > > > + return paddr & ~mktme_keyid_mask; > > > +} > > > +EXPORT_SYMBOL_GPL(__mem_encrypt_dma_clear); > > > > In general nothing related to low-level dma address should ever > > be exposed to modules. What is your intended user for these two? > > Right no need to export. It will be used by IOMMU drivers.
I will drop these EXPORT_SYMBOL_GPL().
-- Kirill A. Shutemov
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