Re: [uml-devel] UML regression with latest RC 4.11-rc2

2017-03-17 Thread Richard Weinberger
Anton, Am 17.03.2017 um 18:44 schrieb Anton Ivanov: >> But you have to enable VM debugging to see it. > > I have most debugging enabled to make sure I do not introduce any > re-entrancy in the IRQ handlers and/or have any allocations of the wrong > type where they do not belong. > > We should pr

Re: [uml-devel] UML regression with latest RC 4.11-rc2

2017-03-17 Thread Anton Ivanov
On 17/03/17 17:33, Richard Weinberger wrote: > Am 17.03.2017 um 18:04 schrieb Anton Ivanov: >> On 17/03/17 16:56, Richard Weinberger wrote: >>> Anton, >>> >>> On Fri, Mar 17, 2017 at 8:51 AM, Anton Ivanov >>> wrote: Hi list, hi Richard There is an extra check in mm/mmap.c which now

Re: [uml-devel] UML regression with latest RC 4.11-rc2

2017-03-17 Thread Richard Weinberger
Am 17.03.2017 um 18:04 schrieb Anton Ivanov: > On 17/03/17 16:56, Richard Weinberger wrote: >> Anton, >> >> On Fri, Mar 17, 2017 at 8:51 AM, Anton Ivanov >> wrote: >>> Hi list, hi Richard >>> >>> There is an extra check in mm/mmap.c which now throws a WARN on every >>> page in making UML unusable

Re: [uml-devel] UML regression with latest RC 4.11-rc2

2017-03-17 Thread Anton Ivanov
On 17/03/17 17:04, Anton Ivanov wrote: > On 17/03/17 16:56, Richard Weinberger wrote: >> Anton, >> >> On Fri, Mar 17, 2017 at 8:51 AM, Anton Ivanov >> wrote: >>> Hi list, hi Richard >>> >>> There is an extra check in mm/mmap.c which now throws a WARN on every >>> page in making UML unusable with t

Re: [uml-devel] UML regression with latest RC 4.11-rc2

2017-03-17 Thread Richard Weinberger
Anton, Am 17.03.2017 um 18:04 schrieb Anton Ivanov: > On 17/03/17 16:56, Richard Weinberger wrote: >> Anton, >> >> On Fri, Mar 17, 2017 at 8:51 AM, Anton Ivanov >> wrote: >>> Hi list, hi Richard >>> >>> There is an extra check in mm/mmap.c which now throws a WARN on every >>> page in making UML u

Re: [uml-devel] UML regression with latest RC 4.11-rc2

2017-03-17 Thread Anton Ivanov
On 17/03/17 16:56, Richard Weinberger wrote: > Anton, > > On Fri, Mar 17, 2017 at 8:51 AM, Anton Ivanov > wrote: >> Hi list, hi Richard >> >> There is an extra check in mm/mmap.c which now throws a WARN on every >> page in making UML unusable with the latest 4.11-rc2 > Which WARN? Can you find the

Re: [uml-devel] FPU patches broke UML on i7-7700 CPU

2017-03-17 Thread Richard Weinberger
Natale, On Wed, Feb 15, 2017 at 3:31 PM, Natale Patriciello wrote: > > Hello, > > as I've reported here [1], by changing the work station I've got the > same UML guest not working anymore. I investigated and the problem root > is in the code added in this patchset [2] (add extended processor stat

Re: [uml-devel] UML regression with latest RC 4.11-rc2

2017-03-17 Thread Richard Weinberger
Anton, On Fri, Mar 17, 2017 at 8:51 AM, Anton Ivanov wrote: > Hi list, hi Richard > > There is an extra check in mm/mmap.c which now throws a WARN on every > page in making UML unusable with the latest 4.11-rc2 Which WARN? Can you find the offending commit? -- Thanks, //richard --

[uml-devel] Interrupt controller

2017-03-17 Thread Anton Ivanov
Hi Richard, hi list, I finally figured out what was going wrong with my Epoll IRQ controller POC. I have a working one now. I will submit it after I have done some more extensive tests on it. So far it is showing 10-20% improvements in IO in default config (one Ethernet, one UBD). This should

[uml-devel] UML regression with latest RC 4.11-rc2

2017-03-17 Thread Anton Ivanov
Hi list, hi Richard There is an extra check in mm/mmap.c which now throws a WARN on every page in making UML unusable with the latest 4.11-rc2 A. -- Check out the vibrant tech community on one of the world's most engag