Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-05-11 Thread Juergen Gross
On 12/04/17 15:44, Ian Jackson wrote: > Greg KH writes ("Re: Please apply "partially revert "xen: Remove event > channel...""): >> On Wed, Apr 12, 2017 at 03:26:53PM +0200, Juergen Gross wrote: >>> On 12/04/17 15:13, Greg KH wrote: Is this still true? This long thread is totally confusing, i

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-12 Thread Juergen Gross
On 12/04/17 15:44, Ian Jackson wrote: > Greg KH writes ("Re: Please apply "partially revert "xen: Remove event > channel...""): >> On Wed, Apr 12, 2017 at 03:26:53PM +0200, Juergen Gross wrote: >>> On 12/04/17 15:13, Greg KH wrote: Is this still true? This long thread is totally confusing, i

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-12 Thread Ian Jackson
Greg KH writes ("Re: Please apply "partially revert "xen: Remove event channel...""): > On Wed, Apr 12, 2017 at 03:26:53PM +0200, Juergen Gross wrote: > > On 12/04/17 15:13, Greg KH wrote: > > > Is this still true? This long thread is totally confusing, is that what > > > you really want to have

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-12 Thread Greg KH
On Wed, Apr 12, 2017 at 03:26:53PM +0200, Juergen Gross wrote: > On 12/04/17 15:13, Greg KH wrote: > > On Fri, Apr 07, 2017 at 12:58:14PM +0100, Ian Jackson wrote: > >> tl;dr: > >> Please apply > >> > >> da72ff5bfcb02c6ac8b169a7cf597a3c8e6c4de1 > >> partially revert "xen: Remove event chan

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-12 Thread Juergen Gross
On 12/04/17 15:13, Greg KH wrote: > On Fri, Apr 07, 2017 at 12:58:14PM +0100, Ian Jackson wrote: >> tl;dr: >> Please apply >> >> da72ff5bfcb02c6ac8b169a7cf597a3c8e6c4de1 >> partially revert "xen: Remove event channel notification through >> Xen PCI platform device" >> >> to all stab

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-12 Thread Greg KH
On Fri, Apr 07, 2017 at 12:58:14PM +0100, Ian Jackson wrote: > tl;dr: > Please apply > > da72ff5bfcb02c6ac8b169a7cf597a3c8e6c4de1 > partially revert "xen: Remove event channel notification through > Xen PCI platform device" > > to all stable branches which have a version of the or

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-11 Thread Juergen Gross
On 11/04/17 16:42, Raslan, KarimAllah wrote: > >> On Apr 11, 2017, at 4:10 PM, Boris Ostrovsky >> wrote: >> >> >> I think the right thing is indeed to revert 72a9b186292 (and therefore da72ff5bfcb02). Any objections? >>> >>> For the end result: depends. Is there a real error or n

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-11 Thread Raslan, KarimAllah
> On Apr 11, 2017, at 4:10 PM, Boris Ostrovsky > wrote: > > > >>> >>> I think the right thing is indeed to revert 72a9b186292 (and >>> therefore da72ff5bfcb02). Any objections? >> >> For the end result: depends. Is there a real error or not? >> KarimAllah wrote that his concerns are of a t

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-11 Thread Raslan, KarimAllah
> On Apr 11, 2017, at 10:57 AM, Juergen Gross wrote: > > On 10/04/17 17:32, Raslan, KarimAllah wrote: >> >> Ahmed, Karim Allah >> karah...@amazon.de >> >> >> >>> On Apr 10, 2017, at 3:57 PM, Juergen Gross wrote: >>> >>> On 10/04/17 15:47, Boris Ostrovsky wrote: On 04/07/2017 06:11 PM,

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-11 Thread Boris Ostrovsky
I think the right thing is indeed to revert 72a9b186292 (and therefore da72ff5bfcb02). Any objections? For the end result: depends. Is there a real error or not? KarimAllah wrote that his concerns are of a theoretical nature as xen_strict_xenbus_quirk() would mask the problem. OTOH he tells

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-11 Thread Juergen Gross
On 11/04/17 15:22, Boris Ostrovsky wrote: > > > On 04/11/2017 05:53 AM, Andrew Cooper wrote: >> On 10/04/17 19:48, Boris Ostrovsky wrote: > The following is meant as a real question without any > prejudice: > > How old a Xen version do we want to support in the Linux > kernel

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-11 Thread Boris Ostrovsky
On 04/11/2017 05:53 AM, Andrew Cooper wrote: On 10/04/17 19:48, Boris Ostrovsky wrote: The following is meant as a real question without any prejudice: How old a Xen version do we want to support in the Linux kernel? - Only those being still maintained (meaning getting security fixes) Defin

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-11 Thread Andrew Cooper
On 10/04/17 19:48, Boris Ostrovsky wrote: >>> The following is meant as a real question without any prejudice: >>> >>> How old a Xen version do we want to support in the Linux kernel? >>> >>> - Only those being still maintained (meaning getting security fixes) > Definitely not this. 4.4 is the olde

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-11 Thread Juergen Gross
On 10/04/17 17:32, Raslan, KarimAllah wrote: > > Ahmed, Karim Allah > karah...@amazon.de > > > >> On Apr 10, 2017, at 3:57 PM, Juergen Gross wrote: >> >> On 10/04/17 15:47, Boris Ostrovsky wrote: >>> On 04/07/2017 06:11 PM, Stefano Stabellini wrote: On Fri, 7 Apr 2017, Boris Ostrovsky wro

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-10 Thread Boris Ostrovsky
>> The following is meant as a real question without any prejudice: >> >> How old a Xen version do we want to support in the Linux kernel? >> >> - Only those being still maintained (meaning getting security fixes) Definitely not this. 4.4 is the oldest version receiving official XSA patches and i

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-10 Thread Stefano Stabellini
On Mon, 10 Apr 2017, Juergen Gross wrote: > On 10/04/17 17:32, Raslan, KarimAllah wrote: > > > > Ahmed, Karim Allah > > karah...@amazon.de > > > > > > > >> On Apr 10, 2017, at 3:57 PM, Juergen Gross wrote: > >> > >> On 10/04/17 15:47, Boris Ostrovsky wrote: > >>> On 04/07/2017 06:11 PM, Stefan

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-10 Thread Juergen Gross
On 10/04/17 17:32, Raslan, KarimAllah wrote: > > Ahmed, Karim Allah > karah...@amazon.de > > > >> On Apr 10, 2017, at 3:57 PM, Juergen Gross wrote: >> >> On 10/04/17 15:47, Boris Ostrovsky wrote: >>> On 04/07/2017 06:11 PM, Stefano Stabellini wrote: On Fri, 7 Apr 2017, Boris Ostrovsky wro

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-10 Thread Raslan, KarimAllah
Ahmed, Karim Allah karah...@amazon.de > On Apr 10, 2017, at 3:57 PM, Juergen Gross wrote: > > On 10/04/17 15:47, Boris Ostrovsky wrote: >> On 04/07/2017 06:11 PM, Stefano Stabellini wrote: >>> On Fri, 7 Apr 2017, Boris Ostrovsky wrote: On 04/07/2017 01:36 PM, Stefano Stabellini wrote: >>

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-10 Thread Boris Ostrovsky
On 04/10/2017 09:57 AM, Juergen Gross wrote: > On 10/04/17 15:47, Boris Ostrovsky wrote: >> On 04/07/2017 06:11 PM, Stefano Stabellini wrote: >>> On Fri, 7 Apr 2017, Boris Ostrovsky wrote: On 04/07/2017 01:36 PM, Stefano Stabellini wrote: > On Fri, 7 Apr 2017, Boris Ostrovsky wrote: >>

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-10 Thread Juergen Gross
On 10/04/17 15:47, Boris Ostrovsky wrote: > On 04/07/2017 06:11 PM, Stefano Stabellini wrote: >> On Fri, 7 Apr 2017, Boris Ostrovsky wrote: >>> On 04/07/2017 01:36 PM, Stefano Stabellini wrote: On Fri, 7 Apr 2017, Boris Ostrovsky wrote: > On 04/07/2017 07:58 AM, Ian Jackson wrote: >> t

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-10 Thread Boris Ostrovsky
On 04/07/2017 06:11 PM, Stefano Stabellini wrote: > On Fri, 7 Apr 2017, Boris Ostrovsky wrote: >> On 04/07/2017 01:36 PM, Stefano Stabellini wrote: >>> On Fri, 7 Apr 2017, Boris Ostrovsky wrote: On 04/07/2017 07:58 AM, Ian Jackson wrote: > tl;dr: > Please apply > > da72ff5

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-07 Thread Stefano Stabellini
On Fri, 7 Apr 2017, Boris Ostrovsky wrote: > On 04/07/2017 01:36 PM, Stefano Stabellini wrote: > > On Fri, 7 Apr 2017, Boris Ostrovsky wrote: > >> On 04/07/2017 07:58 AM, Ian Jackson wrote: > >>> tl;dr: > >>> Please apply > >>> > >>> da72ff5bfcb02c6ac8b169a7cf597a3c8e6c4de1 > >>> partially

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-07 Thread Boris Ostrovsky
On 04/07/2017 01:36 PM, Stefano Stabellini wrote: > On Fri, 7 Apr 2017, Boris Ostrovsky wrote: >> On 04/07/2017 07:58 AM, Ian Jackson wrote: >>> tl;dr: >>> Please apply >>> >>> da72ff5bfcb02c6ac8b169a7cf597a3c8e6c4de1 >>> partially revert "xen: Remove event channel notification through >>>

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-07 Thread Stefano Stabellini
On Fri, 7 Apr 2017, Boris Ostrovsky wrote: > On 04/07/2017 07:58 AM, Ian Jackson wrote: > > tl;dr: > > Please apply > > > > da72ff5bfcb02c6ac8b169a7cf597a3c8e6c4de1 > > partially revert "xen: Remove event channel notification through > > Xen PCI platform device" > > > > to all stabl

Re: [Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-07 Thread Boris Ostrovsky
On 04/07/2017 07:58 AM, Ian Jackson wrote: > tl;dr: > Please apply > > da72ff5bfcb02c6ac8b169a7cf597a3c8e6c4de1 > partially revert "xen: Remove event channel notification through > Xen PCI platform device" > > to all stable branches which have a version of the original broken > com

[Xen-devel] Please apply "partially revert "xen: Remove event channel..."

2017-04-07 Thread Ian Jackson
tl;dr: Please apply da72ff5bfcb02c6ac8b169a7cf597a3c8e6c4de1 partially revert "xen: Remove event channel notification through Xen PCI platform device" to all stable branches which have a version of the original broken commit. This includes at least 4.9.y. Background: osstest s