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authorsaturneric <[email protected]>2025-11-16 14:34:50 +0000
committersaturneric <[email protected]>2025-11-16 14:34:50 +0000
commit690862a8d74fee1e07f33dad44b761753f101779 (patch)
treef81bdcab8cd5a640518dba5056de6c62bd071eaf /drivers/crypto/ccp/sev-dev.c
parentMerge tag 'v6.17.7' into linux-6.17.y (diff)
parentLinux 6.17.8 (diff)
downloadkernel-linux-6.17.y.tar.gz
kernel-linux-6.17.y.zip
Merge tag 'v6.17.8' into linux-6.17.ylinux-6.17.y
This is the 6.17.8 stable release
Diffstat (limited to 'drivers/crypto/ccp/sev-dev.c')
-rw-r--r--drivers/crypto/ccp/sev-dev.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c
index 9f5ccc1720cb..651346db6909 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>
@@ -1345,6 +1346,15 @@ 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)