Re: [PATCH] powerpc: Detect POWER9 architected mode

[Michael Neuling <mikey@neuling.org>]

Can you make the comment/title a bit more descriptive...  Have a look at
c674e703cb1028e468527163074810b4a17bf379 where we added the p8.


> Signed-off-by: Russell Currey <ruscur@russell.cc>

Other than that, the code looks good..

Acked-By: Michael Neuling <mikey@neuling.org>



> ---
> =C2=A0arch/powerpc/kernel/cputable.c | 19 +++++++++++++++++++
> =C2=A01 file changed, 19 insertions(+)
>=20
> diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputabl=
e.c
> index 6a82ef039c50..d23a54b09436 100644
> --- a/arch/powerpc/kernel/cputable.c
> +++ b/arch/powerpc/kernel/cputable.c
> @@ -386,6 +386,25 @@ static struct cpu_spec __initdata cpu_specs[] =3D {
> =C2=A0		.machine_check_early	=3D
> __machine_check_early_realmode_p8,
> =C2=A0		.platform		=3D "power8",
> =C2=A0	},
> +	{	/* 3.00-compliant processor, i.e. Power9 "architected" mode
> */
> +		.pvr_mask		=3D 0xffffffff,
> +		.pvr_value		=3D 0x0f000005,
> +		.cpu_name		=3D "POWER9 (architected)",
> +		.cpu_features		=3D CPU_FTRS_POWER9,
> +		.cpu_user_features	=3D COMMON_USER_POWER9,
> +		.cpu_user_features2	=3D COMMON_USER2_POWER9,
> +		.mmu_features		=3D MMU_FTRS_POWER9,
> +		.icache_bsize		=3D 128,
> +		.dcache_bsize		=3D 128,
> +		.num_pmcs		=3D 6,
> +		.pmc_type		=3D PPC_PMC_IBM,
> +		.oprofile_cpu_type	=3D "ppc64/ibm-compat-v1",
> +		.oprofile_type		=3D PPC_OPROFILE_INVALID,
> +		.cpu_setup		=3D __setup_cpu_power9,
> +		.cpu_restore		=3D __restore_cpu_power9,
> +		.flush_tlb		=3D __flush_tlb_power9,
> +		.platform		=3D "power9",
> +	},
> =C2=A0	{	/* Power7 */
> =C2=A0		.pvr_mask		=3D 0xffff0000,
> =C2=A0		.pvr_value		=3D 0x003f0000,