Add a Kconfig item to allow the IOMMU page tables to be coherent in the L2 cache. This generally reduces IOTLB miss latencies and has been shown to improve multimedia performance. Signed-off-by: Stepan Moskovchenko <stepanm@xxxxxxxxxxxxxx> --- arch/arm/mach-msm/Kconfig | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig index dbbcfeb..1c6f76b 100644 --- a/arch/arm/mach-msm/Kconfig +++ b/arch/arm/mach-msm/Kconfig @@ -122,6 +122,10 @@ config MACH_MSM8X60_FFA endmenu +config IOMMU_PGTABLES_L2 + def_bool y + depends on ARCH_MSM8X60 && MMU && SMP && CPU_DCACHE_DISABLE=n + config MSM_DEBUG_UART int default 1 if MSM_DEBUG_UART1 -- 1.7.0.2 Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum. -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
