| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 048/146] ARCv2: Check for LL-SC livelock only if LLSC is enabled | Date | Mon, 25 Jul 2016 13:55:03 -0700 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Vineet Gupta <vgupta@synopsys.com>
commit 4d0cb15fccd1db9dac0c964b2ccf10874e69f5b8 upstream.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- arch/arc/kernel/setup.c | 1 + 1 file changed, 1 insertion(+)
--- 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"); }
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