On Tue, Mar 24, 2026 at 11:42:43PM +0530, Arun Menon wrote: > The size of the command is checked against TPM_BUFSIZE early on before > even sending it to the backend. We therefore need to increase the > TPM_BUFSIZE to allow support for larger commands. > > For now, 8KB seems sufficient for ML-KEM and ML-DSA algorithms and it is > also order-1 safe. > > Signed-off-by: Arun Menon <[email protected]> > --- > drivers/char/tpm/tpm.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h > index 87d68ddf270a7..26c3765fbd732 100644 > --- a/drivers/char/tpm/tpm.h > +++ b/drivers/char/tpm/tpm.h > @@ -33,7 +33,7 @@ > #endif > > #define TPM_MINOR 224 /* officially assigned */ > -#define TPM_BUFSIZE 4096 > +#define TPM_BUFSIZE 8192 > #define TPM_NUM_DEVICES 65536 > #define TPM_RETRY 50 > > -- > 2.53.0 >
Shouldn't this prepend previous patch? BR, Jarkko
