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From: "Schmauss, Erik" <erik.schmauss@intel.com>
To: Jeremy Linton <jeremy.linton@arm.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>
Cc: "mark.rutland@arm.com" <mark.rutland@arm.com>,
	"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
	"Wysocki,  Rafael J" <rafael.j.wysocki@intel.com>,
	"will.deacon@arm.com" <will.deacon@arm.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Moore, Robert" <robert.moore@intel.com>,
	"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
	"lenb@kernel.org" <lenb@kernel.org>,
	"devel@acpica.org" <devel@acpica.org>
Subject: RE: [RFC 1/3] ACPICA: ACPI 6.3: Add MADT/GICC/SPE extension.
Date: Mon, 11 Feb 2019 18:27:02 +0000
Message-ID: <CF6A88132359CE47947DB4C6E1709ED53C57BD14@ORSMSX122.amr.corp.intel.com> (raw)
In-Reply-To: <20190209004718.3292087-2-jeremy.linton@arm.com>



> -----Original Message-----
> From: Jeremy Linton [mailto:jeremy.linton@arm.com]
> Sent: Friday, February 8, 2019 4:47 PM
> To: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org; linux-acpi@vger.kernel.org;
> devel@acpica.org; catalin.marinas@arm.com; will.deacon@arm.com;
> mark.rutland@arm.com; Moore, Robert <robert.moore@intel.com>;
> Schmauss, Erik <erik.schmauss@intel.com>; Wysocki, Rafael J
> <rafael.j.wysocki@intel.com>; lenb@kernel.org; Jeremy Linton
> <jeremy.linton@arm.com>
> Subject: [RFC 1/3] ACPICA: ACPI 6.3: Add MADT/GICC/SPE extension.
> 
Hi Jeremy,

> [Placeholder patch for upstream ACPICA commit]

FYI: we are planning on releasing ACPICA patches by the end of this week at the latest.

Erik
> 
> Add just ACPI 6.3 changes associated with the arm64 SPE.
> 
> Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
> ---
>  include/acpi/actbl2.h | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index
> c50ef7e6b942..4b58eb6cf64e 100644
> --- a/include/acpi/actbl2.h
> +++ b/include/acpi/actbl2.h
> @@ -623,7 +623,7 @@ struct acpi_madt_local_x2apic_nmi {
>  	u8 reserved[3];		/* reserved - must be zero */
>  };
> 
> -/* 11: Generic Interrupt (ACPI 5.0 + ACPI 6.0 changes) */
> +/* 11: Generic Interrupt (ACPI 5.0 + 6.0 + 6.3 changes) */
> 
>  struct acpi_madt_generic_interrupt {
>  	struct acpi_subtable_header header;
> @@ -641,7 +641,8 @@ struct acpi_madt_generic_interrupt {
>  	u64 gicr_base_address;
>  	u64 arm_mpidr;
>  	u8 efficiency_class;
> -	u8 reserved2[3];
> +	u8 reserved2;
> +	u16 spe_overflow_interrupt;
>  };
> 
>  /* Masks for Flags field above */
> --
> 2.17.2


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Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-09  0:47 [RFC 0/3] arm64: SPE ACPI enablement Jeremy Linton
2019-02-09  0:47 ` [RFC 1/3] ACPICA: ACPI 6.3: Add MADT/GICC/SPE extension Jeremy Linton
2019-02-11 18:27   ` Schmauss, Erik [this message]
2019-02-09  0:47 ` [RFC 2/3] arm_pmu: acpi: spe: Add initial MADT/SPE probing Jeremy Linton
2019-02-11 15:34   ` Sudeep Holla
2019-02-14 17:11   ` Will Deacon
2019-02-14 18:03     ` Jeremy Linton
2019-02-15 15:00       ` Will Deacon
2019-02-15 16:04         ` Jeremy Linton
2019-02-09  0:47 ` [RFC 3/3] perf: arm_spe: Enable ACPI/Platform automatic module loading Jeremy Linton
2019-02-11 15:35   ` Sudeep Holla

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