[PATCH 09/14] powerpc: Setup relocation on exceptions for bare metal systems

[Michael Neuling]

Segher Boessenkool <segher at kernel.crashing.org> wrote:

> > --- a/arch/powerpc/include/asm/reg.h
> > +++ b/arch/powerpc/include/asm/reg.h
> > @@ -249,6 +249,8 @@
> >  #define   LPCR_RMLS    0x1C000000      /* impl dependent rmo limit sel */
> >  #define	  LPCR_RMLS_SH	(63-37)
> >  #define   LPCR_ILE     0x02000000      /* !HV irqs set MSR:LE */
> > +#define   LPCR_AIL_0	0x00000000	/* MMU off IRQ location 0x0 */
> > +#define   LPCR_AIL_3	0x01800000	/* MMU on IRQ location 0xc00...4xxx */
> 
> s/IRQ location/exception offset/ ?

Sure, updated.

> 
> > --- a/arch/powerpc/kernel/cpu_setup_power.S
> > +++ b/arch/powerpc/kernel/cpu_setup_power.S
> > @@ -54,6 +54,7 @@ _GLOBAL(__setup_cpu_power8)
> >  	li	r0,0
> >  	mtspr	SPRN_LPID,r0
> >  	mfspr	r3,SPRN_LPCR
> > +	oris	r3, r3, LPCR_AIL_3 at h
> 
> Is the AIL field only two bits?  If not, you probably want to clear
> the other bits.

Yes it only 2 bits.

> This series looks really nice btw :-)

Cheers,
Mikey