On Fri, 26 Apr 2019 12:27:11 -0700 Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > On Fri, Apr 26, 2019 at 08:32:39PM +0200, Halil Pasic wrote: > > +EXPORT_SYMBOL_GPL(set_memory_encrypted); > > > +EXPORT_SYMBOL_GPL(set_memory_decrypted); > > > +EXPORT_SYMBOL_GPL(sev_active); > > Why do you export these? I know x86 exports those as well, but > it shoudn't be needed there either. > I export these to be in line with the x86 implementation (which is the original and seems to be the only one at the moment). I assumed that 'exported or not' is kind of a part of the interface definition. Honestly, I did not give it too much thought. For x86 set_memory(en|de)crypted got exported by 95cf9264d5f3 "x86, drm, fbdev: Do not specify encrypted memory for video mappings" (Tom Lendacky, 2017-07-17). With CONFIG_FB_VGA16=m seems to be necessary for x84. If the consensus is don't export: I won't. I'm fine one way or the other. @Christian, what is your take on this? Thank you very much! Regards, Halil