Hi Marc, I think you are the author. I'm just making some minor fixes and then upstreaming to the mailing list. What is the correct way to make the Signed-off-by list?
Yours, Paul On Wed, 8 Feb 2023 at 00:35, Marc Zyngier <m...@kernel.org> wrote: > On 2023-02-07 16:20, Ying-Chun Liu (PaulLiu) wrote: > > Exposing set/way cache maintenance to a virtual machine is unsafe, not > > least because the instructions are not permission-checked but also > > because they are not broadcast between CPUs. Consequently, KVM traps > > and > > emulates such maintenance in the host kernel using by-VA operations and > > looping over the stage-2 page-tables. However, when running under > > protected KVM, these instructions are not able to be emulated and will > > instead result in an exception being delivered to the guest. > > > > Introduce CONFIG_CMO_BY_VA_ONLY so that virtual platforms can select > > this option and perform by-VA cache maintenance instead of using the > > set/way instructions. > > > > Signed-off-by: Ying-Chun Liu (PaulLiu) <paul....@linaro.org> > > Signed-off-by: Marc Zyngier <m...@kernel.org> > > Signed-off-by: Will Deacon <willdea...@google.com> > > Cc: Tom Rini <tr...@konsulko.com> > > The sign-off chain looks pretty odd. Either you are the author > of this patch, and I have nothing to do on the sign-off list, > or I'm the author and the authorship is wrong. Similar things > would apply for Will. > > So which one is it? > > M. > -- > Jazz is not dead. It just smells funny... >