On Fri, 2012-10-19 at 10:53 -0400, Vivek Goyal wrote: > On Thu, Oct 18, 2012 at 02:20:46PM -0700, Eric W. Biederman wrote: > > > > If we are passing the acpi sections is that not enough for the kernel > > to find the rdsp area? I'm just a bit surprised we need this patch > > is all. > > > > Somehow it seems a bit ugly to pass information that could be conveyed > > in the memory map on the command line. > > I have no idea how UEFI case is working. Dave/Khalid might have more > details on this. On a UEFI machine with CSM, kernel finds RSDP in EBDA. On a UEFI machine with no CSM, kernel fails to find RSDP and here is the message I see: ACPI BIOS Bug: Error: A valid RSDP was not found (20120913/tbxfroot-219) -- Khalid
