diff options
| author | Shengjiu Wang <b02247@freescale.com> | 2013-09-09 06:54:25 -0400 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2014-04-16 09:05:33 -0400 |
| commit | 909fb0df435cc0f75f6065d7f6df26d438f61a76 (patch) | |
| tree | 3ac776c6de5ea4e7d3eeb2ed1ab63befd313f376 /arch | |
| parent | fe7c385479e72e22db60a0f90be9b35528b8988b (diff) | |
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 <b02247@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/configs/imx_v7_defconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/configs/imx_v7_defconfig b/arch/arm/configs/imx_v7_defconfig index 4695e397c317..b934d7238c71 100644 --- a/arch/arm/configs/imx_v7_defconfig +++ b/arch/arm/configs/imx_v7_defconfig | |||
| @@ -26,6 +26,7 @@ CONFIG_SOC_IMX53=y | |||
| 26 | CONFIG_SOC_IMX6Q=y | 26 | CONFIG_SOC_IMX6Q=y |
| 27 | CONFIG_SOC_IMX6SL=y | 27 | CONFIG_SOC_IMX6SL=y |
| 28 | CONFIG_SOC_VF610=y | 28 | CONFIG_SOC_VF610=y |
| 29 | # CONFIG_SWP_EMULATE is not set | ||
| 29 | CONFIG_SMP=y | 30 | CONFIG_SMP=y |
| 30 | CONFIG_VMSPLIT_2G=y | 31 | CONFIG_VMSPLIT_2G=y |
| 31 | CONFIG_PREEMPT_VOLUNTARY=y | 32 | CONFIG_PREEMPT_VOLUNTARY=y |