Re: [PATCHv3 02/16] ARM: mvebu: enable strex backoff delay

2014-11-25 Thread Thomas Petazzoni
Dear Jason Cooper, On Fri, 21 Nov 2014 19:53:38 -0500, Jason Cooper wrote: arch/arm/mm/proc-v7.S | 2 -- 1 file changed, 2 deletions(-) Acked-by: Jason Cooper ja...@lakedaemon.net Please add to Russell's patch tracker. Thanks, done in

[PATCHv3 02/16] ARM: mvebu: enable strex backoff delay

2014-11-21 Thread Thomas Petazzoni
From: Nadav Haklai nad...@marvell.com Under extremely rare conditions, in an MPCore node consisting of at least 3 CPUs, two CPUs trying to perform a STREX to data on the same shared cache line can enter a livelock situation. This patch enables the HW mechanism that overcomes the bug. This fixes

Re: [PATCHv3 02/16] ARM: mvebu: enable strex backoff delay

2014-11-21 Thread Jason Cooper
On Fri, Nov 21, 2014 at 04:59:59PM +0100, Thomas Petazzoni wrote: From: Nadav Haklai nad...@marvell.com Under extremely rare conditions, in an MPCore node consisting of at least 3 CPUs, two CPUs trying to perform a STREX to data on the same shared cache line can enter a livelock situation.