Messages in this thread | | | Date | Thu, 21 May 2015 14:25:57 +0100 | From | Catalin Marinas <> | Subject | Re: [PATCH tip/core/rcu 7/9] arm64: Use common outgoing-CPU-notification code |
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On Thu, May 21, 2015 at 05:48:33AM -0700, Paul E. McKenney wrote: > On Thu, May 21, 2015 at 09:58:06AM +0100, Will Deacon wrote: > > On Tue, May 12, 2015 at 10:50:05PM +0100, Paul E. McKenney wrote: > > > From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> > > > > > > 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: Catalin Marinas <catalin.marinas@arm.com> > > > Cc: Will Deacon <will.deacon@arm.com> > > > --- > > > arch/arm64/kernel/smp.c | 6 ++---- > > > 1 file changed, 2 insertions(+), 4 deletions(-) > > > > I don't have a better idea, so: > > > > Acked-by: Will Deacon <will.deacon@arm.com> > > > > Is this queued via -tip already, or can we pick it into the arm64 tree > > for 4.2? > > Feel free to take it into the arm64 tree. Just let me know, and I > will drop it from my tree.
Queued for 4.2. Thanks.
-- Catalin
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