[Skiboot] [PATCH] asm/head.S: set POWER9 radix HID bit at entry

Stewart Smith stewart at linux.ibm.com
Wed Apr 17 17:41:36 AEST 2019

Nicholas Piggin <npiggin at gmail.com> writes:
> Nicholas Piggin's on April 12, 2019 2:05 pm:
>> When running in virtual memory mode, the radix MMU hid bit should not
>> be changed, so set this in the initial boot SPR setup.
>> As a side effect, fast reboot also has HID0:RADIX bit set by the
>> shared spr init, so no need for an explicit call.
> I guess that's not a good changelog outside the vmm series.
> Better point is that the HID0[RADIX] bit is no more special than
> any other HID bit, exactly equivalent to HID0[HILE] really. So no
> need for this special case.

I'm doing well with missing editing bits today, I meant to update the
commit msg before pushing too. So, merged as of
53ef0db6e2efbf9678699db4a57df26cdd89e462 and at some point in the
future, somebody gets to go through the git history and go "what?" a bit :)

Stewart Smith
OPAL Architect, IBM.

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