From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Horman Date: Wed, 04 Sep 2013 08:31:41 +0000 Subject: Re: [PATCH] clocksource: em_sti: Set cpu_possible_mask to fix SMP broadcast Message-Id: <20130904083139.GD17329@verge.net.au> List-Id: References: <20130904080151.24562.91334.sendpatchset@w520> In-Reply-To: <20130904080151.24562.91334.sendpatchset@w520> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Magnus Damm Cc: linux-kernel@vger.kernel.org, johnstultz@linaro.org, linux@arm.linux.org.uk, arnd@arndb.de, linux-sh@vger.kernel.org, sboyd@codeaurora.org, rob.herring@calxeda.com, olof@lixom.net, santosh.shilimkar@ti.com, grant.likely@linaro.org, tglx@linutronix.de On Wed, Sep 04, 2013 at 05:01:51PM +0900, Magnus Damm wrote: > From: Magnus Damm > > Update the STI driver by setting cpu_possible_mask to make EMEV2 > SMP work as expected together with the ARM broadcast timer. > > This breakage was introduced by: > > f7db706 ARM: 7674/1: smp: Avoid dummy clockevent being preferred over real hardware clock-event > > Without this fix SMP operation is broken on EMEV2 since no > broadcast timer interrupts trigger on the secondary CPU cores. > > Signed-off-by: Magnus Damm > --- > > Thanks to feedback from Stephen Boyd this is is a reworked version of: > [PATCH] clocksource: em_sti: Adjust clock event rating to fix SMP broadcast > > drivers/clocksource/em_sti.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Tested-by: Simon Horman I will let this sit for a few days to see if there is any further feedback.