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authorPaolo Bonzini <pbonzini@redhat.com>2019-12-22 13:18:15 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2019-12-22 13:18:15 +0100
commitd68321dec1b2234fb32f423e32c3af5915eae36c (patch)
tree7c62b2c76d62ab607238bc2cccc24eed0b32687a /drivers/crypto/ccp/psp-dev.c
parent19a049f1a44d18e38a311e723c19c33c81020a30 (diff)
parentd89c69f42bf0fe42d1f52ea9b3dca15b1ade7601 (diff)
Merge tag 'kvm-ppc-fixes-5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into kvm-master
PPC KVM fix for 5.5 - Fix a bug where we try to do an ultracall on a system without an ultravisor.
Diffstat (limited to 'drivers/crypto/ccp/psp-dev.c')
-rw-r--r--drivers/crypto/ccp/psp-dev.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
index 6b17d179ef8a..39fdd0641637 100644
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -21,6 +21,8 @@
#include <linux/ccp.h>
#include <linux/firmware.h>
+#include <asm/smp.h>
+
#include "sp-dev.h"
#include "psp-dev.h"
@@ -235,6 +237,13 @@ static int __sev_platform_init_locked(int *error)
return rc;
psp->sev_state = SEV_STATE_INIT;
+
+ /* Prepare for first SEV guest launch after INIT */
+ wbinvd_on_all_cpus();
+ rc = __sev_do_cmd_locked(SEV_CMD_DF_FLUSH, NULL, error);
+ if (rc)
+ return rc;
+
dev_dbg(psp->dev, "SEV firmware initialized\n");
return rc;