Re: [PATCHv3 0/2] arm64: fix hotplug rwsem boot fallout

2017-05-11 Thread Mark Rutland
On Thu, May 11, 2017 at 12:01:21PM +0200, Thomas Gleixner wrote: > On Thu, 11 May 2017, Mark Rutland wrote: > > On Thu, May 11, 2017 at 10:30:39AM +0200, Thomas Gleixner wrote: > > > On Wed, 10 May 2017, Thomas Gleixner wrote: > > > secondary_start_kernel() > > > check_local_cpu_capabilities() >

Re: [PATCHv3 0/2] arm64: fix hotplug rwsem boot fallout

2017-05-11 Thread Thomas Gleixner
On Thu, 11 May 2017, Mark Rutland wrote: > On Thu, May 11, 2017 at 10:30:39AM +0200, Thomas Gleixner wrote: > > On Wed, 10 May 2017, Thomas Gleixner wrote: > > > On Wed, 10 May 2017, Mark Rutland wrote: > > > > [0.182133] [] > > > > lockdep_assert_hotplug_held+0x78/0x98 > > > > [0.182161]

Re: [PATCHv3 0/2] arm64: fix hotplug rwsem boot fallout

2017-05-11 Thread Mark Rutland
On Thu, May 11, 2017 at 10:30:39AM +0200, Thomas Gleixner wrote: > On Wed, 10 May 2017, Thomas Gleixner wrote: > > On Wed, 10 May 2017, Mark Rutland wrote: > > > [0.182133] [] lockdep_assert_hotplug_held+0x78/0x98 > > > [0.182161] [] __static_key_slow_inc+0x174/0x2e0 > > > [0.182188] []

Re: [PATCHv3 0/2] arm64: fix hotplug rwsem boot fallout

2017-05-11 Thread Thomas Gleixner
On Wed, 10 May 2017, Thomas Gleixner wrote: > On Wed, 10 May 2017, Mark Rutland wrote: > > [0.182133] [] lockdep_assert_hotplug_held+0x78/0x98 > > [0.182161] [] __static_key_slow_inc+0x174/0x2e0 > > [0.182188] [] static_key_enable_cpuslocked+0x64/0xb0 > > [0.182215] [] update_cpu_ca

Re: [PATCHv3 0/2] arm64: fix hotplug rwsem boot fallout

2017-05-10 Thread Thomas Gleixner
On Wed, 10 May 2017, Mark Rutland wrote: > As a heads-up, with next-20170510 I'm seeing a warning here that I don't > recall seeing when I tested the above, and I'm not sure how to fix it: > > [0.180998] CPU features: enabling workaround for ARM erratum 832075 > [0.181032] [ cu

Re: [PATCHv3 0/2] arm64: fix hotplug rwsem boot fallout

2017-05-10 Thread Mark Rutland
On Fri, Apr 28, 2017 at 12:01:04PM +0100, Mark Rutland wrote: > Hi, > > These patches fix a boot issue seen on some arm64 platforms as a result of the > hotplug rwsem rework. > > Thomas, would you be able to take these into the tip smp/hotplug branch? > > Will has acked the arm64 part, and is ha

[PATCHv3 0/2] arm64: fix hotplug rwsem boot fallout

2017-04-28 Thread Mark Rutland
Hi, These patches fix a boot issue seen on some arm64 platforms as a result of the hotplug rwsem rework. Thomas, would you be able to take these into the tip smp/hotplug branch? Will has acked the arm64 part, and is happy for this to go via tip [1]. I've tested this atop of the tip smp/hotplug