Messages in this thread Patch in this message | | | From | Noam Camus <> | Subject | [PATCH 07/10] ARC: [plat-eznps] disabled stall counter due to a HW bug | Date | Thu, 25 May 2017 05:34:17 +0300 |
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From: Noam Camus <noamca@mellanox.com>
This counter represents threshold for consecutive stall that which trigger HW threads scheduling. Low values of this counter cause downgrade in performance and in the worst case even a livelock.
Signed-off-by: Noam Camus <noamca@mellanox.com> --- arch/arc/plat-eznps/mtm.c | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/arch/arc/plat-eznps/mtm.c b/arch/arc/plat-eznps/mtm.c index aaaaffd..e0cb36b 100644 --- a/arch/arc/plat-eznps/mtm.c +++ b/arch/arc/plat-eznps/mtm.c @@ -119,8 +119,6 @@ void mtm_enable_core(unsigned int cpu) mt_ctrl.value = 0; mt_ctrl.hsen = 1; mt_ctrl.hs_cnt = MT_CTRL_HS_CNT; - mt_ctrl.sten = 1; - mt_ctrl.st_cnt = MT_CTRL_ST_CNT; mt_ctrl.mten = 1; write_aux_reg(CTOP_AUX_MT_CTRL, mt_ctrl.value); -- 1.7.1
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