[RFC 13/16] x86/kvmclock: Share hvclock memory with the host

Kirill A. Shutemov
2020-05-22T12:52:47Z

hvclock is shared between the guest and the hypervisor. It has to be
accessible by host.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
---
arch/x86/kernel/kvmclock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 34b18f6eeb2c..ac6c2abe0d0f 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -253,7 +253,7 @@ static void __init kvmclock_init_mem(void)
* hvclock is shared between the guest and the hypervisor, must
* be mapped decrypted.
*/
- if (sev_active()) {
+ if (sev_active() || kvm_mem_protected()) {
r = set_memory_decrypted((unsigned long) hvclock_mem,
1UL << order);
if (r) {
--
2.26.2