Messages in this thread | | | Date | Wed, 26 Jun 2019 17:42:00 +0100 | From | Mark Rutland <> | Subject | Re: [PATCH arm] Use common outgoing-CPU-notification code |
| |
On Mon, Jun 17, 2019 at 06:06:57AM -0700, Paul E. McKenney wrote: > On Mon, Jun 17, 2019 at 12:58:19PM +0100, Mark Rutland wrote: > > On Tue, Jun 11, 2019 at 12:24:10PM -0700, Paul E. McKenney wrote: > > > This commit removes the open-coded CPU-offline notification with new > > > common code. In particular, this change avoids calling scheduler code > > > using RCU from an offline CPU that RCU is ignoring. This is a minimal > > > change. A more intrusive change might invoke the cpu_check_up_prepare() > > > and cpu_set_state_online() functions at CPU-online time, which would > > > allow onlining throw an error if the CPU did not go offline properly. > > > > > > Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> > > > Cc: linux-arm-kernel@lists.infradead.org > > > Cc: Russell King <linux@arm.linux.org.uk> > > > Cc: Mark Rutland <mark.rutland@arm.com> > > > Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com> > > > > FWIW: > > > > Acked-by: Mark Rutland <mark.rutland@arm.com> > > > > On the assumption that Russell is ok with this, I think this should be > > dropped into the ARM patch system [1]. > > > > Paul, are you familiar with that, or would you prefer that someone else > > submits the patch there? I can do so if you'd like. > > I never have used this system, so please do drop it in there! Let me > know when you have done so, and I will then drop it from -rcu.
After testing that multi_v7_defconfig built, I've just submitted this as 8872/1:
https://www.armlinux.org.uk/developer/patches/viewpatch.php?id=8872/1
Thanks, Mark.
| |