linux-kernel - [PATCH 10/11] acpi: bus: Set

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Date:   Thu, 18 Aug 2016 15:36:51 -0700
From:   Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     mingo@...hat.com, tglx@...utronix.de, hpa@...or.com,
        rjw@...ysocki.net, peterz@...radead.org
Cc:     x86@...nel.org, bp@...e.de, sudeep.holla@....com,
        ak@...ux.intel.com, linux-acpi@...r.kernel.org,
        linux-pm@...r.kernel.org, alexey.klimov@....com,
        viresh.kumar@...aro.org, akpm@...ux-foundation.org,
        linux-kernel@...r.kernel.org, lenb@...nel.org,
        tim.c.chen@...ux.intel.com, srinivas.pandruvada@...ux.intel.com,
        paul.gortmaker@...driver.com, jpoimboe@...hat.com,
        mcgrof@...nel.org, jgross@...e.com, robert.moore@...el.com,
        dvyukov@...gle.com, jeyu@...hat.com
Subject: [PATCH 10/11] acpi: bus: Set _OSC for diverse core support

Set the OSC_SB_CPC_DIVERSE_HIGH_SUPPORT (bit 12) to enable diverse
core support.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
---
 drivers/acpi/bus.c   | 4 +++-
 include/linux/acpi.h | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 61643a5..fbd3b7c 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -336,7 +336,9 @@ static void acpi_bus_osc_support(void)
 		capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_CPCV2_SUPPORT;
 	}
 #endif
-
+#ifdef CONFIG_SCHED_ITMT
+	capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_CPC_DIVERSE_HIGH_SUPPORT;
+#endif
 	if (!ghes_disable)
 		capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_APEI_SUPPORT;
 	if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle)))
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 4d8452c..17f6e08 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -460,6 +460,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 #define OSC_SB_CPCV2_SUPPORT			0x00000040
 #define OSC_SB_PCLPI_SUPPORT			0x00000080
 #define OSC_SB_OSLPI_SUPPORT			0x00000100
+#define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT		0x00001000
 
 extern bool osc_sb_apei_support_acked;
 extern bool osc_pc_lpi_support_confirmed;
-- 
2.7.4