> -----Original Message----- > From: Andrew Cooper <andrew.coop...@citrix.com> > Sent: 11 June 2020 12:52 > To: Jason Andryuk <jandr...@gmail.com>; xen-devel@lists.xenproject.org > Cc: Ian Jackson <ian.jack...@eu.citrix.com>; Wei Liu <w...@xen.org>; Jan > Beulich <jbeul...@suse.com>; > Paul Durrant <p...@xen.org> > Subject: Re: [PATCH] libacpi: Widen TPM detection > > On 11/06/2020 04:55, Jason Andryuk wrote: > > The hardcoded tpm_signature is too restrictive to detect many TPMs. For > > instance, it doesn't accept a QEMU emulated TPM (VID 0x1014 DID 0x0001). > > Make the TPM detection match that in rombios which accepts a wider > > range. > > > > With this change, the TPM's TCPA ACPI table is generated and the guest > > OS can automatically load the tpm_tis driver. It also allows seabios to > > detect and use the TPM. However, seabios skips some TPM initialization > > when running under Xen, so it will not populate any PCRs unless modified > > to run the initialization under Xen. > > > > Signed-off-by: Jason Andryuk <jandr...@gmail.com> > > Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com> > > This looks like it wants backporting, so CC'ing Paul for a 4.14 release ack.
Agreed. Release-acked-by: Paul Durrant <p...@xen.org>
