[PATCH] Move x86 specific tunables to x86/dl-tunables.list

["H.J. Lu" <hjl dot tools at gmail dot com>]

On Tue, Jun 20, 2017 at 11:45 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Tue, Jun 20, 2017 at 11:36 AM, Rodriguez Bahena, Victor
> <victor.rodriguez.bahena@intel.com> wrote:
>> -----Original Message-----
>>
>> From: <libc-alpha-owner@sourceware.org> on behalf of Siddhesh Poyarekar
>> <siddhesh@gotplt.org>
>> Date: Tuesday, June 20, 2017 at 9:36 AM
>> To: "H.J. Lu" <hjl.tools@gmail.com>, Adhemerval Zanella
>> <adhemerval.zanella@linaro.org>
>> Cc: GNU C Library <libc-alpha@sourceware.org>
>> Subject: Re: [PATCH] tunables: Add IFUNC selection and cache sizes
>>
>>>On Tuesday 20 June 2017 07:11 PM, H.J. Lu wrote:
>>>> Since ifunc and others are handled in the same name space, I have to
>>>> make non_temporal_threshold, .. as well as ifunc x86 specific.  Will it
>>>>be
>>>> OK?
>>>
>>>I'm going to add ifunc selection for aarch64 soon, so it makes sense to
>>>have that generic.  You could name the arch-specific tunables as
>>>x86_non_temporal_threshold and so on.
>>
>> What does it mean arch-specific? ( haswell / skyline / ... )
>>
>
> It is x86 vs aarch64.
>

This patch moves x86 specific tunables to sysdeps/x86/dl-tunables.list.

Any comments?


-- 
H.J.

From 3d6a433311d99dced1378d44b9f37736594e631f Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Tue, 20 Jun 2017 12:09:56 -0700
Subject: [PATCH] Move x86 specific tunables to x86/dl-tunables.list

	* elf/dl-tunables.list: Move x86 specific tunables to ...
	* sysdeps/x86/dl-tunables.list: Here.  New file.
---
 elf/dl-tunables.list         | 12 ------------
 sysdeps/x86/dl-tunables.list | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+), 12 deletions(-)
 create mode 100644 sysdeps/x86/dl-tunables.list

diff --git a/elf/dl-tunables.list b/elf/dl-tunables.list
index 3247d49..b8b0ce5 100644
--- a/elf/dl-tunables.list
+++ b/elf/dl-tunables.list
@@ -87,17 +87,5 @@ glibc {
       type: STRING
       security_level: SXID_IGNORE
     }
-    x86_non_temporal_threshold {
-      type: SIZE_T
-      security_level: SXID_IGNORE
-    }
-    x86_data_cache_size {
-      type: SIZE_T
-      security_level: SXID_IGNORE
-    }
-    x86_shared_cache_size {
-      type: SIZE_T
-      security_level: SXID_IGNORE
-    }
   }
 }
diff --git a/sysdeps/x86/dl-tunables.list b/sysdeps/x86/dl-tunables.list
new file mode 100644
index 0000000..50c130a
--- /dev/null
+++ b/sysdeps/x86/dl-tunables.list
@@ -0,0 +1,34 @@
+# x86 specific tunables.
+# Copyright (C) 2017 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library; if not, see
+# <http://www.gnu.org/licenses/>.
+
+glibc {
+  tune {
+    x86_non_temporal_threshold {
+      type: SIZE_T
+      security_level: SXID_IGNORE
+    }
+    x86_data_cache_size {
+      type: SIZE_T
+      security_level: SXID_IGNORE
+    }
+    x86_shared_cache_size {
+      type: SIZE_T
+      security_level: SXID_IGNORE
+    }
+  }
+}
-- 
2.9.4