Eric W. Biederman wrote: > .... > +Field name: hardware_subarch > +Type: write > +Offset/size: 0x23c/4 > +Protocol: 2.07+ > + > + In a paravirtualized environment the hardware low level architectural > + pieces such as interrupt handling, page table handling, and > + accessing process control registers needs to be done differently. > + > + This field allows the bootloader to inform the kernel we are in one > + one of those environments. > + > + 0x00000000 The default x86/PC environment > + 0x00000001 lguest > + 0x00000002 Xen > + > +Field name: hardware_subarch_data > +Type: write > +Offset/size: 0x23c/8 >
offset = 240 > +Protocol: 2.07+ > + > + A pointer to data that is specific to hardware subarch > Do we care particularly? If 8 bytes is enough for the subarch, do we care whether its a pointer or literal? After all, this is just a private channel between the bootloader and some subarch-specific piece of code in the kernel. J _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
