Vaibhav Jain's on August 28, 2019 6:27 pm: > This doc patch provides an initial description of the hcall op-codes > that are used by Linux kernel running as a guest (LPAR) on top of > PowerVM or any other sPAPR compliant hyper-visor (e.g qemu). > > Apart from documenting the hcalls the doc-patch also provides a > rudimentary overview of how hcall ABI, how they are issued with the > Linux kernel and how information/control flows between the guest and > hypervisor. > > Signed-off-by: Vaibhav Jain <vaib...@linux.ibm.com> > --- > Change-log: > > v2: > * Added a section on Register conventions to be followed when invoking > hcalls. [Nick] > * Updated section on HCALL ABI to clarify that byte ordering only > matters to in/out values passed by a memory buffer. [Laurent] > * Updated a code comment in 'exceptions-64s.S' describing hypercall > register conventions to point it to 'papr_hcalls.rst' [Nick]
Thanks for that! Acked-by: Nicholas Piggin <npig...@gmail.com>
