diff options
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/ccp/sev-dev.c | 10 |
1 files changed, 10 insertions, 0 deletions
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) |