From: Ashish Kalra <ashish.kalra@xxxxxxx> When SEV-SNP is enabled the TMR needs to be 2MB aligned and 2MB sized, ensure that TMR size is reset back to default when SNP is shutdown. Signed-off-by: Ashish Kalra <ashish.kalra@xxxxxxx> --- drivers/crypto/ccp/sev-dev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index d8673d8836f1..bc121ad9ec26 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -1750,6 +1750,9 @@ static int __sev_snp_shutdown_locked(int *error, bool panic) sev->snp_initialized = false; dev_dbg(sev->dev, "SEV-SNP firmware shutdown\n"); + /* Reset TMR size back to default */ + sev_es_tmr_size = SEV_TMR_SIZE; + return ret; } -- 2.34.1
