Commit 406663ed authored Jan 11, 2016 by Geert Uytterhoeven Committed by Simon Horman Jan 25, 2016

ARM: shmobile: defconfig: Do not enable CONFIG_CPU_BPREDICT_DISABLE



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>

parent 92e963f5

arch/arm/configs/shmobile_defconfig

+0 −1

Original line number	Diff line number	Diff line
		@@ -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

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