Re: REGRESSION: Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-11-12 Thread Thomas Gleixner
On Thu, Nov 12 2020 at 15:15, Thomas Gleixner wrote: > On Thu, Nov 12 2020 at 08:55, Jason Gunthorpe wrote: >> On Wed, Aug 26, 2020 at 01:16:28PM +0200, Thomas Gleixner wrote: >> They were unable to bisect further into the series because some of the >> interior commits don't boot :( >> >> When we

Re: REGRESSION: Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-11-12 Thread Thomas Gleixner
Jason, (trimmed CC list a bit) On Thu, Nov 12 2020 at 08:55, Jason Gunthorpe wrote: > On Wed, Aug 26, 2020 at 01:16:28PM +0200, Thomas Gleixner wrote: > They were unable to bisect further into the series because some of the > interior commits don't boot :( > > When we try to load the mlx5 driver

REGRESSION: Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-11-12 Thread Jason Gunthorpe
On Wed, Aug 26, 2020 at 01:16:28PM +0200, Thomas Gleixner wrote: > This is the second version of providing a base to support device MSI (non > PCI based) and on top of that support for IMS (Interrupt Message Storm) > based devices in a halfways architecture independent way. Hi Thomas, Our test

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-30 Thread Thomas Gleixner
Megha, On Wed, Sep 30 2020 at 10:25, Megha Dey wrote: > On 9/30/2020 8:20 AM, Thomas Gleixner wrote: Your IMS patches? Why do you need something special again? > > By IMS patches, I meant your IMS driver patch that was updated (as it > was untested, it had some compile errors and we removed

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-30 Thread Dey, Megha
Hi Thomas/Jason, On 9/30/2020 8:20 AM, Thomas Gleixner wrote: On Wed, Sep 30 2020 at 08:43, Jason Gunthorpe wrote: On Wed, Sep 30, 2020 at 08:41:48AM +0200, Thomas Gleixner wrote: On Tue, Sep 29 2020 at 16:03, Megha Dey wrote: On 8/26/2020 4:16 AM, Thomas Gleixner wrote: #9 is

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-30 Thread Thomas Gleixner
On Wed, Sep 30 2020 at 08:43, Jason Gunthorpe wrote: > On Wed, Sep 30, 2020 at 08:41:48AM +0200, Thomas Gleixner wrote: >> On Tue, Sep 29 2020 at 16:03, Megha Dey wrote: >> > On 8/26/2020 4:16 AM, Thomas Gleixner wrote: >> >> #9is obviously just for the folks interested in IMS >> >> >> >

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-30 Thread Jason Gunthorpe
On Wed, Sep 30, 2020 at 08:41:48AM +0200, Thomas Gleixner wrote: > On Tue, Sep 29 2020 at 16:03, Megha Dey wrote: > > On 8/26/2020 4:16 AM, Thomas Gleixner wrote: > >> #9 is obviously just for the folks interested in IMS > >> > > > > I see that the tip tree (as of 9/29) has most of these patches

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-30 Thread Thomas Gleixner
On Tue, Sep 29 2020 at 16:03, Megha Dey wrote: > On 8/26/2020 4:16 AM, Thomas Gleixner wrote: >> #9 is obviously just for the folks interested in IMS >> > > I see that the tip tree (as of 9/29) has most of these patches but > notice that the DEV_MSI related patches > > haven't made it. I have

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-29 Thread Dey, Megha
Hi Thomas, On 8/26/2020 4:16 AM, Thomas Gleixner wrote: This is the second version of providing a base to support device MSI (non PCI based) and on top of that support for IMS (Interrupt Message Storm) based devices in a halfways architecture independent way. The first version can be found

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-25 Thread Thomas Gleixner
On Fri, Sep 25 2020 at 17:49, Peter Zijlstra wrote: > Here it looks like this: > > [1.830276] BUG: kernel NULL pointer dereference, address: > [1.838043] #PF: supervisor instruction fetch in kernel mode > [1.844357] #PF: error_code(0x0010) - not-present page > [

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-25 Thread Peter Zijlstra
On Fri, Sep 25, 2020 at 11:29:13AM -0400, Qian Cai wrote: > It looks like the crashes happen in the interrupt remapping code where they > are > only able to to generate partial call traces. > [8.466614][T0] BUG: kernel NULL pointer dereference, address: > > [

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-25 Thread Qian Cai
On Wed, 2020-08-26 at 13:16 +0200, Thomas Gleixner wrote: > This is the second version of providing a base to support device MSI (non > PCI based) and on top of that support for IMS (Interrupt Message Storm) > based devices in a halfways architecture independent way. > > The first version can be

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-08 Thread Russ Anderson
On Wed, Aug 26, 2020 at 01:16:28PM +0200, Thomas Gleixner wrote: > This is the second version of providing a base to support device MSI (non > PCI based) and on top of that support for IMS (Interrupt Message Storm) > based devices in a halfways architecture independent way. Booted with quick

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-03 Thread Thomas Gleixner
Ashok, On Thu, Sep 03 2020 at 09:35, Ashok Raj wrote: > On Wed, Aug 26, 2020 at 01:16:28PM +0200, Thomas Gleixner wrote: >> This is the second version of providing a base to support device MSI (non >> PCI based) and on top of that support for IMS (Interrupt Message Storm) > > s/Storm/Store > >

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-03 Thread Raj, Ashok
Hi Thomas, Thanks a ton for jumping in helping on straightening it for IMS!!! On Wed, Aug 26, 2020 at 01:16:28PM +0200, Thomas Gleixner wrote: > This is the second version of providing a base to support device MSI (non > PCI based) and on top of that support for IMS (Interrupt Message Storm)

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-09-01 Thread Boqun Feng
Hi Thomas, On Wed, Aug 26, 2020 at 01:16:28PM +0200, Thomas Gleixner wrote: [...] > > The whole lot is also available from git: > >git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git device-msi > > This has been tested on Intel/AMD/KVM but lacks testing on: > > - HYPERV

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-08-31 Thread Lu Baolu
Hi Thomas, On 2020/8/31 15:10, Thomas Gleixner wrote: On Mon, Aug 31 2020 at 08:51, Lu Baolu wrote: On 8/26/20 7:16 PM, Thomas Gleixner wrote: This is the second version of providing a base to support device MSI (non PCI based) and on top of that support for IMS (Interrupt Message Storm)

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-08-31 Thread Thomas Gleixner
On Mon, Aug 31 2020 at 08:51, Lu Baolu wrote: > On 8/26/20 7:16 PM, Thomas Gleixner wrote: >> This is the second version of providing a base to support device MSI (non >> PCI based) and on top of that support for IMS (Interrupt Message Storm) >> based devices in a halfways architecture independent

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-08-30 Thread Lu Baolu
Hi Thomas, On 8/26/20 7:16 PM, Thomas Gleixner wrote: This is the second version of providing a base to support device MSI (non PCI based) and on top of that support for IMS (Interrupt Message Storm) based devices in a halfways architecture independent way. After applying this patch series,

Re: [patch V2 00/46] x86, PCI, XEN, genirq ...: Prepare for device MSI

2020-08-28 Thread Joerg Roedel
On Wed, Aug 26, 2020 at 01:16:28PM +0200, Thomas Gleixner wrote: > This is the second version of providing a base to support device MSI (non > PCI based) and on top of that support for IMS (Interrupt Message Storm) > based devices in a halfways architecture independent way. > > The first version