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Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/Kconfig2
-rw-r--r--drivers/crypto/ccp/sev-dev.c10
2 files changed, 11 insertions, 1 deletions
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index c7a1060ba57a..76ea9273d1dc 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -439,7 +439,7 @@ config CRYPTO_DEV_ATMEL_AUTHENC
config CRYPTO_DEV_ATMEL_AES
tristate "Support for Atmel AES hw accelerator"
- depends on ARCH_AT91 || COMPILE_TEST
+ depends on ARCH_MICROCHIP || COMPILE_TEST
select CRYPTO_AES
select CRYPTO_AEAD
select CRYPTO_SKCIPHER
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c
index 65d6d0af140a..8dff5c2c40fd 100644
--- a/drivers/crypto/ccp/sev-dev.c
+++ b/drivers/crypto/ccp/sev-dev.c
@@ -28,6 +28,7 @@
#include <linux/fs_struct.h>
#include <linux/psp.h>
#include <linux/amd-iommu.h>
+#include <linux/crash_dump.h>
#include <asm/smp.h>
#include <asm/cacheflush.h>
@@ -1526,6 +1527,15 @@ static int _sev_platform_init_locked(struct sev_platform_init_args *args)
if (!psp_master || !psp_master->sev_data)
return -ENODEV;
+ /*
+ * Skip SNP/SEV initialization under a kdump kernel as SEV/SNP
+ * may already be initialized in the previous kernel. Since no
+ * SNP/SEV guests are run under a kdump kernel, there is no
+ * need to initialize SNP or SEV during kdump boot.
+ */
+ if (is_kdump_kernel())
+ return 0;
+
sev = psp_master->sev_data;
if (sev->state == SEV_STATE_INIT)