[PATCH v2 3/3] arm64: Rename reserved values for CTR_EL0.L1Ip

[Marc Zyngier]

On Wed, 29 Nov 2023 07:13:57 +0000,
Anshuman Khandual <anshuman.khandual at arm.com> wrote:
> 
> 
> 
> On 11/27/23 22:56, Marc Zyngier wrote:
> > We now have *two* values for CTR_EL0.L1Ip that are reserved.
> > Which makes things a bit awkward. In order to lift the ambiguity,
> > rename RESERVED (0b01) to RESERVED_AIVIVT, and VPIPT (0b00) to
> > RESERVED_VPIPT.
> > 
> > This makes it clear which of these meant what, and I'm sure
> > archeologists will find it useful...
> > 
> > Signed-off-by: Marc Zyngier <maz at kernel.org>
> > ---
> >  arch/arm64/tools/sysreg | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> > 
> > diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> > index 96cbeeab4eec..5a217e0fce45 100644
> > --- a/arch/arm64/tools/sysreg
> > +++ b/arch/arm64/tools/sysreg
> > @@ -2004,9 +2004,10 @@ Field	27:24	CWG
> >  Field	23:20	ERG
> >  Field	19:16	DminLine
> >  Enum	15:14	L1Ip
> > -	0b00	VPIPT
> > +	# This was named as VPIPT in the ARM but now documented as reserved
> > +	0b00	RESERVED_VPIPT
> >  	# This is named as AIVIVT in the ARM but documented as reserved
> > -	0b01	RESERVED
> > +	0b01	RESERVED_AVIVT
> 
> s/RESERVED_AVIVT/RESERVED_AIVIVT - matches the spec. Commit message
> has got this right.

Huh, how embarrassing. Thanks for pointing this out, I'll fix it in
the next round.

	M.

-- 
Without deviation from the norm, progress is not possible.