Messages in this thread | | | Date | Mon, 2 Aug 2021 12:35:45 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH 02/11] x86/sev: Add an x86 version of prot_guest_has() |
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On Tue, Jul 27, 2021 at 05:26:05PM -0500, Tom Lendacky wrote: > Introduce an x86 version of the prot_guest_has() function. This will be > used in the more generic x86 code to replace vendor specific calls like > sev_active(), etc. > > While the name suggests this is intended mainly for guests, it will > also be used for host memory encryption checks in place of sme_active(). > > The amd_prot_guest_has() function does not use EXPORT_SYMBOL_GPL for the > same reasons previously stated when changing sme_active(), sev_active and > sme_me_mask to EXPORT_SYBMOL: > commit 87df26175e67 ("x86/mm: Unbreak modules that rely on external PAGE_KERNEL availability") > commit 9d5f38ba6c82 ("x86/mm: Unbreak modules that use the DMA API") > > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: Borislav Petkov <bp@alien8.de> > Cc: Dave Hansen <dave.hansen@linux.intel.com> > Cc: Andy Lutomirski <luto@kernel.org> > Cc: Peter Zijlstra <peterz@infradead.org> > Co-developed-by: Andi Kleen <ak@linux.intel.com> > Signed-off-by: Andi Kleen <ak@linux.intel.com> > Co-developed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> > Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> > Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Reviewed-by: Joerg Roedel <jroedel@suse.de>
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