On Mon, Dec 3, 2012 at 11:02 PM, H. Peter Anvin <hpa at zytor.com> wrote: > On 12/03/2012 09:47 PM, Simon Horman wrote: >> >> Hi Everyone, >> >> there was some healthy discussion around the previous versions >> of this series, but so far none on this version. Have we reached >> consensus? >> > > No, we haven't converged on the boot protocol yet and just respinning the > patch set doesn't change that. please check if you are ok with bit 15 in xloadflags. +Field name: xloadflags +Type: modify (obligatory) +Offset/size: 0x236/2 +Protocol: 2.12+ + + This field is a bitmask. + + Bit 0 (read): CAN_BE_LOADED_ABOVE_4G + - If 1, kernel/boot_params/cmdline/ramdisk can be above 4g, + + Bit 15 (write): USE_EXT_BOOT_PARAMS + - If 1, set by bootloader, and kernel could check new fields + in boot_params that are added from 2.12 safely. Thanks Yinghai