ARCv2: LLSC: software backoff is NOT needed starting HS2.1c

[cascardo/linux.git] / arch / arc / Kconfig

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 0655495..8ce0928 100644 (file)
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -12,8 +12,6 @@ config ARC
        select BUILDTIME_EXTABLE_SORT
        select COMMON_CLK
        select CLONE_BACKWARDS
-       # ARC Busybox based initramfs absolutely relies on DEVTMPFS for /dev
-       select DEVTMPFS if !INITRAMFS_SOURCE=""
        select GENERIC_ATOMIC64
        select GENERIC_CLOCKEVENTS
        select GENERIC_FIND_FIRST_BIT
@@ -275,14 +273,6 @@ config ARC_DCCM_BASE
        default "0xA0000000"
        depends on ARC_HAS_DCCM
 
-config ARC_HAS_HW_MPY
-       bool "Use Hardware Multiplier (Normal or Faster XMAC)"
-       default y
-       help
-         Influences how gcc generates code for MPY operations.
-         If enabled, MPYxx insns are generated, provided by Standard/XMAC
-         Multipler. Otherwise software multipy lib is used
-
 choice
        prompt "MMU Version"
        default ARC_MMU_V3 if ARC_CPU_770
@@ -397,7 +387,7 @@ config ARC_HAS_LLSC
 
 config ARC_STAR_9000923308
        bool "Workaround for llock/scond livelock"
-       default y
+       default n
        depends on ISA_ARCV2 && SMP && ARC_HAS_LLSC
 
 config ARC_HAS_SWAPE
@@ -468,7 +458,6 @@ config ARC_HAS_PAE40
        bool "Support for the 40-bit Physical Address Extension"
        default n
        depends on ISA_ARCV2
-       select HIGHMEM
        help
          Enable access to physical memory beyond 4G, only supported on
          ARC cores with 40 bit Physical Addressing support
@@ -542,14 +531,6 @@ config ARC_DBG_TLB_MISS_COUNT
          Counts number of I and D TLB Misses and exports them via Debugfs
          The counters can be cleared via Debugfs as well
 
-if SMP
-
-config ARC_IPI_DBG
-       bool "Debug Inter Core interrupts"
-       default n
-
-endif
-
 endif
 
 config ARC_UBOOT_SUPPORT