ARCv2: Check for LL-SC livelock only if LLSC is enabled
authorVineet Gupta <vgupta@synopsys.com>
Fri, 29 Jan 2016 11:17:44 +0000 (16:47 +0530)
committerVineet Gupta <vgupta@synopsys.com>
Fri, 29 Jan 2016 11:21:04 +0000 (16:51 +0530)
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
arch/arc/kernel/setup.c

index 7f0a3cb..a7edceb 100644 (file)
@@ -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");
 }