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Commit 4d0cb15f authored by Vineet Gupta's avatar Vineet Gupta
Browse files

ARCv2: Check for LL-SC livelock only if LLSC is enabled 



Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent b89bd1f4

arch/arc/kernel/setup.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -339,6 +339,7 @@ static void arc_chk_core_config(void) 
		panic("FPU non-existent, disable CONFIG_ARC_FPU_SAVE_RESTORE\n");

		panic("FPU non-existent, disable CONFIG_ARC_FPU_SAVE_RESTORE\n");





	if (is_isa_arcv2() && IS_ENABLED(CONFIG_SMP) && cpu->isa.atomic &&

	if (is_isa_arcv2() && IS_ENABLED(CONFIG_SMP) && cpu->isa.atomic &&

	    IS_ENABLED(CONFIG_ARC_HAS_LLSC) &&

	    !IS_ENABLED(CONFIG_ARC_STAR_9000923308))

	    !IS_ENABLED(CONFIG_ARC_STAR_9000923308))

		panic("llock/scond livelock workaround missing\n");

		panic("llock/scond livelock workaround missing\n");

}

}