From: Shengjiu Wang Date: Mon, 9 Sep 2013 10:54:25 +0000 (+0800) Subject: ENGR00278822 ARM: imx_v7_defconfig: disable CONFIG_SWP_EMULATE X-Git-Tag: KARO-TX6-2014-07-10~237 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bd0d75a5a4e11fa8d90010671245ac60801e4af7;p=karo-tx-linux.git ENGR00278822 ARM: imx_v7_defconfig: disable CONFIG_SWP_EMULATE According to the help text in the config SWP_EMULATE in arch/arm/mm/Kconfig: "In some older versions of glibc [<=2.8] SWP is used during futex trylock() operations with the assumption that the code will not be preempted. This invalid assumption may be more likely to fail with SWP emulation enabled, leading to deadlock of the user application." The audio codec toolchain version is gcc-4.1.1-glibc-2.4, we need turn off the CONFIG_SWP_EMULATE in the imx_v7_defconfig. Signed-off-by: Shengjiu Wang --- diff --git a/arch/arm/configs/imx_v7_defconfig b/arch/arm/configs/imx_v7_defconfig index df2b853e3b41..207d38cc5065 100644 --- a/arch/arm/configs/imx_v7_defconfig +++ b/arch/arm/configs/imx_v7_defconfig @@ -26,6 +26,7 @@ CONFIG_SOC_IMX53=y CONFIG_SOC_IMX6Q=y CONFIG_SOC_IMX6SL=y CONFIG_SOC_VF610=y +# CONFIG_SWP_EMULATE is not set CONFIG_SMP=y CONFIG_VMSPLIT_2G=y CONFIG_PREEMPT_VOLUNTARY=y