On Wed, May 15, 2024 at 10:01:06AM +1000, Andrew Donnellan wrote: > On Tue, 2024-05-14 at 12:17 +0200, Greg Kroah-Hartman wrote: > > 6.1-stable review patch. If anyone has any objections, please let me > > know. > > > > ------------------ > > > > From: Nayna Jain <nayna@xxxxxxxxxxxxx> > > > > [ Upstream commit 899d9b8fee66da820eadc60b2a70090eb83db761 ] > > > > The Platform Keystore provides a signed update interface which can be > > used > > to create, replace or append to certain variables in the PKS in a > > secure > > fashion, with the hypervisor requiring that the update be signed > > using the > > Platform Key. > > > > Implement an interface to the H_PKS_SIGNED_UPDATE hcall in the plpks > > driver to allow signed updates to PKS objects. > > > > (The plpks driver doesn't need to do any cryptography or otherwise > > handle > > the actual signed variable contents - that will be handled by > > userspace > > tooling.) > > > > Signed-off-by: Nayna Jain <nayna@xxxxxxxxxxxxx> > > [ajd: split patch, add timeout handling and misc cleanups] > > Co-developed-by: Andrew Donnellan <ajd@xxxxxxxxxxxxx> > > Signed-off-by: Andrew Donnellan <ajd@xxxxxxxxxxxxx> > > Signed-off-by: Russell Currey <ruscur@xxxxxxxxxx> > > Reviewed-by: Stefan Berger <stefanb@xxxxxxxxxxxxx> > > Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > > Link: > > https://lore.kernel.org/r/20230210080401.345462-18-ajd@xxxxxxxxxxxxx > > Stable-dep-of: 784354349d2c ("powerpc/pseries: make max polling > > consistent for longer H_CALLs") > > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> > > This is a new feature and I don't think it should be backported. > 784354349d2c can be backported by dropping the > plpks_signed_update_var() hunk. > Now dropped and fixed up, thanks. greg k-h
