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authorVineet Gupta <vgupta@synopsys.com>2016-01-29 16:47:44 +0530
committerVineet Gupta <vgupta@synopsys.com>2016-01-29 16:51:04 +0530
commit4d0cb15fccd1db9dac0c964b2ccf10874e69f5b8 (patch)
treef7275789ab389c1c9491cd259814522f7927f125
parentb89bd1f4fbaecaa842588a034f8a44f4a84597e4 (diff)
downloadop-kernel-dev-4d0cb15fccd1db9dac0c964b2ccf10874e69f5b8.zip
op-kernel-dev-4d0cb15fccd1db9dac0c964b2ccf10874e69f5b8.tar.gz
ARCv2: Check for LL-SC livelock only if LLSC is enabled
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
-rw-r--r--arch/arc/kernel/setup.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index 7f0a3cb..a7edceb 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -339,6 +339,7 @@ static void arc_chk_core_config(void)
panic("FPU non-existent, disable CONFIG_ARC_FPU_SAVE_RESTORE\n");
if (is_isa_arcv2() && IS_ENABLED(CONFIG_SMP) && cpu->isa.atomic &&
+ IS_ENABLED(CONFIG_ARC_HAS_LLSC) &&
!IS_ENABLED(CONFIG_ARC_STAR_9000923308))
panic("llock/scond livelock workaround missing\n");
}
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