Re: [PATCH 1/4] tile: support arch_irq_work_raise

2015-03-25 Thread Peter Zijlstra
On Tue, Mar 24, 2015 at 06:06:26PM -0400, Chris Metcalf wrote: > On 3/24/2015 5:14 PM, Peter Zijlstra wrote: > >On Tue, Mar 24, 2015 at 03:21:32PM -0400, cmetc...@ezchip.com wrote: > >>From: Chris Metcalf > >> > >>Tile includes a hypervisor hook to deliver messages to arbitrary > >>tiles, so we ca

Re: [PATCH 1/4] tile: support arch_irq_work_raise

2015-03-24 Thread Chris Metcalf
On 3/24/2015 5:14 PM, Peter Zijlstra wrote: On Tue, Mar 24, 2015 at 03:21:32PM -0400, cmetc...@ezchip.com wrote: From: Chris Metcalf Tile includes a hypervisor hook to deliver messages to arbitrary tiles, so we can use that to raise an interrupt as soon as possible on our own core. Unfortunat

Re: [PATCH 1/4] tile: support arch_irq_work_raise

2015-03-24 Thread Peter Zijlstra
On Tue, Mar 24, 2015 at 03:21:32PM -0400, cmetc...@ezchip.com wrote: > From: Chris Metcalf > > Tile includes a hypervisor hook to deliver messages to arbitrary > tiles, so we can use that to raise an interrupt as soon as > possible on our own core. Unfortunately the Tilera hypervisor > disabled

Re: [PATCH 1/4] tile: support arch_irq_work_raise

2015-03-24 Thread Frederic Weisbecker
On Tue, Mar 24, 2015 at 03:21:32PM -0400, cmetc...@ezchip.com wrote: > From: Chris Metcalf > > Tile includes a hypervisor hook to deliver messages to arbitrary > tiles, so we can use that to raise an interrupt as soon as > possible on our own core. Unfortunately the Tilera hypervisor > disabled

[PATCH 1/4] tile: support arch_irq_work_raise

2015-03-24 Thread cmetcalf
From: Chris Metcalf Tile includes a hypervisor hook to deliver messages to arbitrary tiles, so we can use that to raise an interrupt as soon as possible on our own core. Unfortunately the Tilera hypervisor disabled that support on principle in previous releases, but it will be available in MDE 4