From f06a5a019b1161da6f47bde5e7ce63e70193caec Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Fri, 29 Jan 2016 16:47:44 +0530 Subject: [PATCH] ARCv2: Check for LL-SC livelock only if LLSC is enabled commit 4d0cb15fccd1db9dac0c964b2ccf10874e69f5b8 upstream. Signed-off-by: Vineet Gupta Signed-off-by: Greg Kroah-Hartman --- arch/arc/kernel/setup.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index e1b87444ea9a..87ddeeb03f60 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -334,6 +334,7 @@ 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"); } -- 2.34.1