]> git.karo-electronics.de Git - linux-beck.git/commitdiff
projects / linux-beck.git / commitdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | patch | inline | side by side (parent: 92e963f)
ARM: shmobile: defconfig: Do not enable CONFIG_CPU_BPREDICT_DISABLE
authorGeert Uytterhoeven <geert+renesas@glider.be>
Mon, 11 Jan 2016 18:41:14 +0000 (19:41 +0100)
committerSimon Horman <horms+renesas@verge.net.au>
Sun, 24 Jan 2016 23:47:11 +0000 (08:47 +0900)
Do not disable branch prediction, as this has a big performance impact.

After re-enabling branch prediction, __loop_delay() runs 16 (Cortex A15)
or 11 (Cortex A9) times faster than before.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
arch/arm/configs/shmobile_defconfig patch | blob | history

diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig
index 969738324a5d5f815263a12cf2f580098603cf4a..5208b5caacd1a4e293809ffc058af672e90d56d2 100644 (file)
--- a/arch/arm/configs/shmobile_defconfig
+++ b/arch/arm/configs/shmobile_defconfig
@@ -20,7 +20,6 @@ CONFIG_ARCH_R8A7791=y
 CONFIG_ARCH_R8A7793=y
 CONFIG_ARCH_R8A7794=y
 CONFIG_ARCH_SH73A0=y
-CONFIG_CPU_BPREDICT_DISABLE=y
 CONFIG_PL310_ERRATA_588369=y
 CONFIG_ARM_ERRATA_754322=y
 CONFIG_PCI=y
Beck SC1x5 Kernel