Re: [PATCH v2 2/2] qemu: tpm: Remove TPM state after successful migration

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On 10/4/22 15:38, Stefan Berger wrote:
> This patch 'fixes' the behavior of the persistent_state TPM domain XML
> attribute that intends to preserve the state of the TPM but should not
> keep the state around on all the hosts a VM has been migrated to. It
> removes the TPM state directory structure from the source host upon
> successful migration when non-shared storage is used. Similarly, it
> removes it from the destination host upon migration failure when
> non-shared storage is used.
> 
> Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
> ---
>  src/qemu/qemu_migration.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
> index 126a4f6d38..3ad8f2cfd7 100644
> --- a/src/qemu/qemu_migration.c
> +++ b/src/qemu/qemu_migration.c
> @@ -38,6 +38,7 @@
>  #include "qemu_security.h"
>  #include "qemu_slirp.h"
>  #include "qemu_block.h"
> +#include "qemu_tpm.h"

This is not needed.

>  
>  #include "domain_audit.h"
>  #include "virlog.h"
> @@ -4036,7 +4037,7 @@ qemuMigrationSrcConfirm(virQEMUDriver *driver,
>              virDomainDeleteConfig(cfg->configDir, cfg->autostartDir, vm);
>              vm->persistent = 0;
>          }
> -        qemuDomainRemoveInactive(driver, vm, 0);
> +        qemuDomainRemoveInactive(driver, vm, VIR_DOMAIN_UNDEFINE_TPM);
>      }
>  
>   cleanup:
> @@ -6702,7 +6703,7 @@ qemuMigrationDstFinishActive(virQEMUDriver *driver,
>      }
>  
>      if (!virDomainObjIsActive(vm))
> -        qemuDomainRemoveInactive(driver, vm, 0);
> +        qemuDomainRemoveInactive(driver, vm, VIR_DOMAIN_UNDEFINE_TPM);
>  
>      virErrorRestore(&orig_err);
>      return NULL;

Michal




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