linux-kernel - [PATCH v2 13/33] Define CONFIG_INTEL

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Message-Id: <1473328647-33116-14-git-send-email-fenghua.yu@intel.com>
Date:   Thu,  8 Sep 2016 02:57:07 -0700
From:   "Fenghua Yu" <fenghua.yu@...el.com>
To:     "Thomas Gleixner" <tglx@...utronix.de>,
        "H. Peter Anvin" <h.peter.anvin@...el.com>,
        "Ingo Molnar" <mingo@...e.hu>, "Tony Luck" <tony.luck@...el.com>,
        "Peter Zijlstra" <peterz@...radead.org>,
        "Tejun Heo" <tj@...nel.org>, "Borislav Petkov" <bp@...e.de>,
        "Stephane Eranian" <eranian@...gle.com>,
        "Marcelo Tosatti" <mtosatti@...hat.com>,
        "David Carrillo-Cisneros" <davidcc@...gle.com>,
        "Shaohua Li" <shli@...com>,
        "Ravi V Shankar" <ravi.v.shankar@...el.com>,
        "Vikas Shivappa" <vikas.shivappa@...ux.intel.com>,
        "Sai Prakhya" <sai.praneeth.prakhya@...el.com>
Cc:     "linux-kernel" <linux-kernel@...r.kernel.org>,
        "x86" <x86@...nel.org>, Fenghua Yu <fenghua.yu@...el.com>
Subject: [PATCH v2 13/33] Define CONFIG_INTEL_RDT

From: Vikas Shivappa <vikas.shivappa@...ux.intel.com>

CONFIG_INTEL_RDT is defined. The option provides support for resource
allocation which is a sub-feature of Intel Resource Director Technology
(RDT).

Signed-off-by: Vikas Shivappa <vikas.shivappa@...ux.intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@...el.com>
Reviewed-by: Tony Luck <tony.luck@...el.com>
---
 arch/x86/Kconfig | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 2a1f0ce..6782127 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -406,6 +406,19 @@ config GOLDFISH
        def_bool y
        depends on X86_GOLDFISH
 
+config INTEL_RDT
+	bool "Intel Resource Director Technology support"
+	default n
+	depends on X86_64 && CPU_SUP_INTEL
+	help
+	  This option provides support for resource allocation which is a
+	  sub-feature of Intel Resource Director Technology(RDT).
+	  Current implementation supports L3 cache allocation.
+	  Using this feature a user can specify the amount of L3 cache space
+	  into which an application can fill.
+
+	  Say N if unsure.
+
 if X86_32
 config X86_EXTENDED_PLATFORM
 	bool "Support for extended (non-PC) x86 platforms"
-- 
2.5.0