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ARCv2: Check for LL-SC livelock only if LLSC is enabled
author
Vineet Gupta
<vgupta@synopsys.com>
Fri, 29 Jan 2016 11:17:44 +0000
(16:47 +0530)
committer
Vineet 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
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diff --git
a/arch/arc/kernel/setup.c
b/arch/arc/kernel/setup.c
index
7f0a3cb
..
a7edceb
100644
(file)
--- 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");
}