On Mon, Oct 19, 2015 at 12:09 AM, Michael S. Tsirkin <m...@redhat.com> wrote: > On Mon, Oct 19, 2015 at 12:04:48PM +0800, Xiao Guangrong wrote: > I mean don't use ASL to comment C. It's not more readable. > Describe why the code is the way it is. Use variables by preference, > C does not have weird limitations like ASL so you don't need to call > your variables "arg3". What does it hold? >
What it holds is function number specific. It's similar to SYSCALL_DEFINEx where the ASL code is there to marshal arguments from the OS through ACPI to a BIOS routine. See the definition of the example _DSM functions here and the usages of "Arg3": http://pmem.io/documents/NVDIMM_DSM_Interface_Example.pdf -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
