From: Jonathan Cameron <Jonathan.Cameron@huawei.com> To: <linux-mm@kvack.org>, <linux-acpi@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <x86@kernel.org> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Bjorn Helgaas <bhelgaas@google.com>, <rafael@kernel.org>, <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@redhat.com>, Thomas Gleixner <tglx@linutronix.de>, <linuxarm@huawei.com>, Dan Williams <dan.j.williams@intel.com>, Brice Goglin <Brice.Goglin@inria.fr>, Jonathan Cameron <Jonathan.Cameron@huawei.com> Subject: [PATCH v7 3/6] ACPI: Let ACPI know we support Generic Initiator Affinity Structures Date: Mon, 13 Jul 2020 23:55:57 +0800 [thread overview] Message-ID: <20200713155600.2272743-4-Jonathan.Cameron@huawei.com> (raw) In-Reply-To: <20200713155600.2272743-1-Jonathan.Cameron@huawei.com> Until we tell ACPI that we support generic initiators, it will have to operate in fall back domain mode and all _PXM entries should be on existing non GI domains. This patch sets the relevant OSC bit to make that happen. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> --- drivers/acpi/bus.c | 1 + include/linux/acpi.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 54002670cb7a..0ac96fb67515 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -302,6 +302,7 @@ static void acpi_bus_osc_support(void) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT; + capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_GENERIC_INITIATOR_SUPPORT; #ifdef CONFIG_X86 if (boot_cpu_has(X86_FEATURE_HWP)) { diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 1414b7e0a486..40ec5f2544ed 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -546,6 +546,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); #define OSC_SB_PCLPI_SUPPORT 0x00000080 #define OSC_SB_OSLPI_SUPPORT 0x00000100 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 +#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 extern bool osc_sb_apei_support_acked; extern bool osc_pc_lpi_support_confirmed; -- 2.19.1
WARNING: multiple messages have this Message-ID (diff)
From: Jonathan Cameron <Jonathan.Cameron@huawei.com> To: <linux-mm@kvack.org>, <linux-acpi@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <x86@kernel.org> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, rafael@kernel.org, Jonathan Cameron <Jonathan.Cameron@huawei.com>, linux-kernel@vger.kernel.org, linuxarm@huawei.com, Ingo Molnar <mingo@redhat.com>, Brice Goglin <Brice.Goglin@inria.fr>, Bjorn Helgaas <bhelgaas@google.com>, Thomas Gleixner <tglx@linutronix.de>, Dan Williams <dan.j.williams@intel.com> Subject: [PATCH v7 3/6] ACPI: Let ACPI know we support Generic Initiator Affinity Structures Date: Mon, 13 Jul 2020 23:55:57 +0800 [thread overview] Message-ID: <20200713155600.2272743-4-Jonathan.Cameron@huawei.com> (raw) In-Reply-To: <20200713155600.2272743-1-Jonathan.Cameron@huawei.com> Until we tell ACPI that we support generic initiators, it will have to operate in fall back domain mode and all _PXM entries should be on existing non GI domains. This patch sets the relevant OSC bit to make that happen. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> --- drivers/acpi/bus.c | 1 + include/linux/acpi.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 54002670cb7a..0ac96fb67515 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -302,6 +302,7 @@ static void acpi_bus_osc_support(void) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT; + capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_GENERIC_INITIATOR_SUPPORT; #ifdef CONFIG_X86 if (boot_cpu_has(X86_FEATURE_HWP)) { diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 1414b7e0a486..40ec5f2544ed 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -546,6 +546,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); #define OSC_SB_PCLPI_SUPPORT 0x00000080 #define OSC_SB_OSLPI_SUPPORT 0x00000100 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 +#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 extern bool osc_sb_apei_support_acked; extern bool osc_pc_lpi_support_confirmed; -- 2.19.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-07-13 15:59 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-13 15:55 [PATCH v7 0/6] ACPI: Support Generic Initiator proximity domains Jonathan Cameron 2020-07-13 15:55 ` Jonathan Cameron 2020-07-13 15:55 ` [PATCH v7 1/6] ACPI: Support Generic Initiator only domains Jonathan Cameron 2020-07-13 15:55 ` Jonathan Cameron 2020-07-13 18:47 ` kernel test robot 2020-07-13 18:47 ` kernel test robot 2020-07-13 18:47 ` kernel test robot 2020-07-13 15:55 ` [PATCH v7 2/6] x86: Support Generic Initiator only proximity domains Jonathan Cameron 2020-07-13 15:55 ` Jonathan Cameron 2020-07-13 15:55 ` Jonathan Cameron [this message] 2020-07-13 15:55 ` [PATCH v7 3/6] ACPI: Let ACPI know we support Generic Initiator Affinity Structures Jonathan Cameron 2020-07-13 15:55 ` [PATCH v7 4/6] ACPI: HMAT: Fix handling of changes from ACPI 6.2 to ACPI 6.3 Jonathan Cameron 2020-07-13 15:55 ` Jonathan Cameron 2020-07-13 15:55 ` [PATCH v7 5/6] node: Add access1 class to represent CPU to memory characteristics Jonathan Cameron 2020-07-13 15:55 ` Jonathan Cameron 2020-07-13 15:56 ` [PATCH v7 6/6] docs: mm: numaperf.rst Add brief description for access class 1 Jonathan Cameron 2020-07-13 15:56 ` Jonathan Cameron
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