linux-kernel - [PATCH 06/12] x86 Kconfig: scheduler options

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Message-Id: <20140113192252.ACD0BDA5@viggo.jf.intel.com>
Date:	Mon, 13 Jan 2014 11:22:52 -0800
From:	Dave Hansen <dave@...1.net>
To:	linux-kernel@...r.kernel.org
Cc:	x86@...nel.org, Dave Hansen <dave@...1.net>
Subject: [PATCH 06/12] x86 Kconfig: scheduler options


From: Dave Hansen <dave.hansen@...ux.intel.com>

These are a few architecture-specific options that affect the
scheduler.  Group them together.

Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>
---

 linux.git-davehans/arch/x86/Kconfig |   28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff -puN arch/x86/Kconfig~x86-scheduler-options arch/x86/Kconfig
--- linux.git/arch/x86/Kconfig~x86-scheduler-options	2014-01-13 11:11:35.553207750 -0800
+++ linux.git-davehans/arch/x86/Kconfig	2014-01-13 11:11:35.555207841 -0800
@@ -959,18 +959,6 @@ config X86_32_IRIS
 
 	  If unused, say N.
 
-config SCHED_OMIT_FRAME_POINTER
-	def_bool y
-	prompt "Single-depth WCHAN output"
-	depends on X86
-	---help---
-	  Calculate simpler /proc/<PID>/wchan values. If this option
-	  is disabled then wchan values will recurse back to the
-	  caller function. This provides more accurate wchan values,
-	  at the expense of slightly more scheduling overhead.
-
-	  If in doubt, say "Y".
-
 menuconfig HYPERVISOR_GUEST
 	bool "Linux guest support"
 	---help---
@@ -1186,6 +1174,8 @@ config IOMMU_HELPER
 	def_bool y
 	depends on CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU
 
+menu "x86 Scheduler Options"
+
 config SCHED_SMT
 	bool "SMT (Hyperthreading) scheduler support"
 	depends on X86_HT
@@ -1204,6 +1194,20 @@ config SCHED_MC
 	  making when dealing with multi-core CPU chips at a cost of slightly
 	  increased overhead in some places. If unsure say N here.
 
+config SCHED_OMIT_FRAME_POINTER
+	def_bool y
+	prompt "Single-depth WCHAN output"
+	depends on X86
+	---help---
+	  Calculate simpler /proc/<PID>/wchan values. If this option
+	  is disabled then wchan values will recurse back to the
+	  caller function. This provides more accurate wchan values,
+	  at the expense of slightly more scheduling overhead.
+
+	  If in doubt, say "Y".
+
+endmenu # x86 Scheduler Options
+
 source "kernel/Kconfig.preempt"
 
 config X86_UP_APIC
_
--
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