Re: [PATCH v4 1/2] ACPICA: ACPI 6.2: Add support for new SRAT subtable

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On Thu, Jun 22, 2017 at 04:27:18PM +0200, Rafael J. Wysocki wrote:
> On Thursday, June 22, 2017 02:13:18 PM Moore, Robert wrote:
> > This support is already in the ACPICA code base, but I can't speak to when it will be upstreamed to Linux. Lv would know this.
> 
> It should be there in linux-next already AFAICS.
> 
> Lorenzo, can you please double check?

Yes, it is all fine, thank you Rafael for taking the ACPICA changes.

Thanks !
Lorenzo

> Thanks,
> Rafael
> 
> 
> > > -----Original Message-----
> > > From: Lorenzo Pieralisi [mailto:lorenzo.pieralisi@xxxxxxx]
> > > Sent: Thursday, June 22, 2017 6:43 AM
> > > To: Ganapatrao Kulkarni <ganapatrao.kulkarni@xxxxxxxxxx>; Zheng, Lv
> > > <lv.zheng@xxxxxxxxx>; Moore, Robert <robert.moore@xxxxxxxxx>; Rafael J.
> > > Wysocki <rjw@xxxxxxxxxxxxx>
> > > Cc: linux-acpi@xxxxxxxxxxxxxxx; devel@xxxxxxxxxx; linux-
> > > kernel@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> > > marc.zyngier@xxxxxxx; catalin.marinas@xxxxxxx; will.deacon@xxxxxxx;
> > > hanjun.guo@xxxxxxxxxx; tglx@xxxxxxxxxxxxx; jason@xxxxxxxxxxxxxx;
> > > jnair@xxxxxxxxxxxxxxxxxx; gpkulkarni@xxxxxxxxx
> > > Subject: Re: [PATCH v4 1/2] ACPICA: ACPI 6.2: Add support for new SRAT
> > > subtable
> > > 
> > > Hi Rafael, Lv, Robert,
> > > 
> > > On Thu, Jun 22, 2017 at 11:40:11AM +0530, Ganapatrao Kulkarni wrote:
> > > > Add GIC ITS Affinity (ACPI 6.2) subtable to SRAT table.
> > > >
> > > > ACPICA commit 5bc67f63918da249bfe279ee461d152bb3e6f55b
> > > > Link: https://github.com/acpica/acpica/commit/5bc67f6
> > > >
> > > > Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@xxxxxxxxxx>
> > > > ---
> > > >  include/acpi/actbl1.h | 12 +++++++++++-
> > > >  1 file changed, 11 insertions(+), 1 deletion(-)
> > > 
> > > This patch is fine to me but it is up to you or who sends the ACPICA
> > > pull request to send it upstream or give us an ACK so that it can go via
> > > irqchip.
> > > 
> > > We need to know how this commit (and other ACPICA changes) will be sent
> > > upstream to handle trees dependencies, please advise it is a bit urgent,
> > > thank you.
> > > 
> > > Lorenzo
> > > 
> > > > diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index
> > > > b4ce55c..253c9db 100644
> > > > --- a/include/acpi/actbl1.h
> > > > +++ b/include/acpi/actbl1.h
> > > > @@ -1192,7 +1192,8 @@ enum acpi_srat_type {
> > > >  	ACPI_SRAT_TYPE_MEMORY_AFFINITY = 1,
> > > >  	ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY = 2,
> > > >  	ACPI_SRAT_TYPE_GICC_AFFINITY = 3,
> > > > -	ACPI_SRAT_TYPE_RESERVED = 4	/* 4 and greater are reserved */
> > > > +	ACPI_SRAT_TYPE_GIC_ITS_AFFINITY = 4,	/* ACPI 6.2 */
> > > > +	ACPI_SRAT_TYPE_RESERVED = 5	/* 5 and greater are reserved */
> > > >  };
> > > >
> > > >  /*
> > > > @@ -1260,6 +1261,15 @@ struct acpi_srat_gicc_affinity {
> > > >  	u32 clock_domain;
> > > >  };
> > > >
> > > > +/* 4: GIC ITS Affinity (ACPI 6.2) */
> > > > +
> > > > +struct acpi_srat_its_affinity {
> > > > +	struct acpi_subtable_header header;
> > > > +	u32 proximity_domain;
> > > > +	u16 reserved;
> > > > +	u32 its_id;
> > > > +};
> > > > +
> > > >  /* Flags for struct acpi_srat_gicc_affinity */
> > > >
> > > >  #define ACPI_SRAT_GICC_ENABLED     (1)	/* 00: Use affinity structure
> > > */
> > > > --
> > > > 1.8.1.4
> > > >
> 
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