[PATCH] ARC: extable: Enable sorting at build time

From: Vineet Gupta
Date: Fri Nov 15 2013 - 01:46:20 EST


Avoids wasting cycles at boot specially on slower simulators

Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Cc: David Daney <david.daney@xxxxxxxxxx>
Cc: Michal Marek <mmarek@xxxxxxx>
Cc: Francois Bedard <fbedard@xxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
arch/arc/Kconfig | 1 +
scripts/sortextable.c | 5 +++++
2 files changed, 6 insertions(+)

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 91dbb2757afd..080580216301 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -8,6 +8,7 @@

config ARC
def_bool y
+ select BUILDTIME_EXTABLE_SORT
select CLONE_BACKWARDS
# ARC Busybox based initramfs absolutely relies on DEVTMPFS for /dev
select DEVTMPFS if !INITRAMFS_SOURCE=""
diff --git a/scripts/sortextable.c b/scripts/sortextable.c
index 7c2310c5b996..e3fb1c36ed0f 100644
--- a/scripts/sortextable.c
+++ b/scripts/sortextable.c
@@ -31,6 +31,10 @@
#include <tools/be_byteshift.h>
#include <tools/le_byteshift.h>

+#ifndef EM_ARCOMPACT
+#define EM_ARCOMPACT 93
+#endif
+
#ifndef EM_AARCH64
#define EM_AARCH64 183
#endif
@@ -244,6 +248,7 @@ do_file(char const *const fname)
case EM_S390:
custom_sort = sort_relative_table;
break;
+ case EM_ARCOMPACT:
case EM_ARM:
case EM_AARCH64:
case EM_MIPS:
--
1.8.1.2

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