On Tue, Apr 28, 2020 at 05:17:14PM +0200, Joerg Roedel wrote:

From: Mike Stunes <redacted>

To avoid a future VMEXIT for a subsequent CPUID function, cache the
results returned by CPUID into an xarray.

 [tl: coding standard changes, register zero extension]

Signed-off-by: Mike Stunes <redacted>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
[ jroedel@suse.de: - Wrapped cache handling into vc_handle_cpuid_cached()
                   - Used lower_32_bits() where applicable
		   - Moved cache_index out of struct es_em_ctxt ]
Co-developed-by: Joerg Roedel <redacted>
Signed-off-by: Joerg Roedel <redacted>
---
 arch/x86/kernel/sev-es-shared.c |  12 ++--
 arch/x86/kernel/sev-es.c        | 119 +++++++++++++++++++++++++++++++-
 2 files changed, 124 insertions(+), 7 deletions(-)

Okay, following the discussion, I am dropping this patch for now. We can
revisit CPUID caching later when we have a better justification.

Regards,

	Joerg