On Wed, Apr 01, 2020 at 11:05:36AM +0200, Rafael J. Wysocki wrote: > On Wed, Apr 1, 2020 at 10:37 AM Jarkko Sakkinen > <jarkko.sakkinen@xxxxxxxxxxxxxxx> wrote: > > > > On Tue, Mar 31, 2020 at 05:49:49PM -0400, Stefan Berger wrote: > > > From: Stefan Berger <stefanb@xxxxxxxxxxxxx> > > > > > > Recent extensions of the TPM2 ACPI table added 3 more fields > > > including 12 bytes of start method specific parameters and Log Area > > > Minimum Length (u32) and Log Area Start Address (u64). So, we extend > > > the existing structure with these fields to allow non-UEFI systems > > > to access the TPM2's log. > > > > > > The specification that has the new fields is the following: > > > TCG ACPI Specification > > > Family "1.2" and "2.0" > > > Version 1.2, Revision 8 > > > > > > Adapt all existing table size calculations to use > > > offsetof(struct acpi_table_tpm2, start_method_specific) > > > [where start_method_specific is a newly added field] > > > rather than sizeof(struct acpi_table_tpm2) so that the addition > > > of the new fields does not affect current systems that may not > > > have them. > > > > > > Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxx> > > > Cc: linux-acpi@xxxxxxxxxxxxxxx > > > > I think I'm cool with this but needs an ack from ACPI maintainer. > > > > Rafael, given that this not an intrusive change in any possible means, > > can I pick this patch and put it to my next pull request? > > Yes, please. > > Thanks! Great, thanks Rafael. Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> Do you mind if I add your ack to the commit? /Jarkko
