On 12/26/2024 1:31 PM, Roman Kisel wrote: > The Top-Level Functional Specification for Hyper-V, Section 3.6 [1, 2], > disallows overlapping of the input and output hypercall areas, and > get_vtl(void) does overlap them. > > Use the output hypercall page of the current vCPU for the hypercall. > > [1] https://learn.microsoft.com/en-us/virtualization/hyper-v-on-windows/tlfs/hypercall-interface > [2] https://github.com/MicrosoftDocs/Virtualization-Documentation/tree/main/tlfs > > Fixes: 8387ce06d70b ("x86/hyperv: Set Virtual Trust Level in VMBus init message") > Signed-off-by: Roman Kisel <romank@xxxxxxxxxxxxxxxxxxx> > --- > arch/x86/hyperv/hv_init.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Looks good to me. Reviewed-by: Easwar Hariharan <eahariha@xxxxxxxxxxxxxxxxxxx>
