Re: [PATCH 4.19] ipipe: mm: Restore unCOW support for copy_pte_range

Jan Kiszka writes: > On 06.03.21 15:58, Philippe Gerum wrote: >> >> Jan Kiszka writes: >> >>> On 05.03.21 12:38, Jan Kiszka via Xenomai wrote: From: Jan Kiszka This is still needed to avoid that a real-time parent seems minor faults after forking for shared pages until t

Re: [PATCH 4.19] ipipe: mm: Restore unCOW support for copy_pte_range

On 06.03.21 15:58, Philippe Gerum wrote: > > Jan Kiszka writes: > >> On 05.03.21 12:38, Jan Kiszka via Xenomai wrote: >>> From: Jan Kiszka >>> >>> This is still needed to avoid that a real-time parent seems minor faults >>> after forking for shared pages until they are finally unshared. >>> >>>

Re: [PATCH 4.19] ipipe: mm: Restore unCOW support for copy_pte_range

On 08.03.21 08:02, Greg Gallagher wrote: > > > On Sun, Mar 7, 2021 at 8:09 AM Greg Gallagher > wrote: > > > > On Sun, Mar 7, 2021 at 7:56 AM Jan Kiszka > wrote: > > On 06.03.21 15:58, Philippe Gerum wrote: >

Re: [PATCH 4.19] ipipe: mm: Restore unCOW support for copy_pte_range

On Sun, Mar 7, 2021 at 8:09 AM Greg Gallagher wrote: > > > On Sun, Mar 7, 2021 at 7:56 AM Jan Kiszka wrote: > >> On 06.03.21 15:58, Philippe Gerum wrote: >> > >> > Jan Kiszka writes: >> > >> >> On 05.03.21 12:38, Jan Kiszka via Xenomai wrote: >> >>> From: Jan Kiszka >> >>> >> >>> This is still

Re: [PATCH 4.19] ipipe: mm: Restore unCOW support for copy_pte_range

On Sun, Mar 7, 2021 at 7:56 AM Jan Kiszka wrote: > On 06.03.21 15:58, Philippe Gerum wrote: > > > > Jan Kiszka writes: > > > >> On 05.03.21 12:38, Jan Kiszka via Xenomai wrote: > >>> From: Jan Kiszka > >>> > >>> This is still needed to avoid that a real-time parent seems minor > faults > >>> af

Re: [PATCH 4.19] ipipe: mm: Restore unCOW support for copy_pte_range

On 06.03.21 15:58, Philippe Gerum wrote: > > Jan Kiszka writes: > >> On 05.03.21 12:38, Jan Kiszka via Xenomai wrote: >>> From: Jan Kiszka >>> >>> This is still needed to avoid that a real-time parent seems minor faults >>> after forking for shared pages until they are finally unshared. >>> >>>

Re: [PATCH 4.19] ipipe: mm: Restore unCOW support for copy_pte_range

Jan Kiszka writes: > On 05.03.21 12:38, Jan Kiszka via Xenomai wrote: >> From: Jan Kiszka >> >> This is still needed to avoid that a real-time parent seems minor faults >> after forking for shared pages until they are finally unshared. >> >> This missing support became visible in Xenomai whe

Re: [PATCH 4.19] ipipe: mm: Restore unCOW support for copy_pte_range

Am Sat, 6 Mar 2021 14:14:30 +0100 schrieb Jan Kiszka via Xenomai : > On 05.03.21 12:38, Jan Kiszka via Xenomai wrote: > > From: Jan Kiszka > > > > This is still needed to avoid that a real-time parent seems minor > > faults after forking for shared pages until they are finally > > unshared. > >

Re: [PATCH 4.19] ipipe: mm: Restore unCOW support for copy_pte_range

On 05.03.21 12:38, Jan Kiszka via Xenomai wrote: > From: Jan Kiszka > > This is still needed to avoid that a real-time parent seems minor faults > after forking for shared pages until they are finally unshared. > > This missing support became visible in Xenomai when running the complete > smokey

[PATCH 4.19] ipipe: mm: Restore unCOW support for copy_pte_range

From: Jan Kiszka This is still needed to avoid that a real-time parent seems minor faults after forking for shared pages until they are finally unshared. This missing support became visible in Xenomai when running the complete smokey test suite on certain architectures/config combinations. Fixe