Re: [PATCH kernel v2] powerpc/mm: Flush radix process translations when setting MMU type

2018-02-14 Thread Michael Ellerman
Laurent Vivier writes: > On 07/02/2018 18:49, Daniel Henrique Barboza wrote: >> On 02/07/2018 12:33 PM, Laurent Vivier wrote: >>> On 01/02/2018 06:09, Alexey Kardashevskiy wrote: Radix guests do normally invalidate process-scoped translations when a new pid is

Re: [kernel, v2] powerpc/mm: Flush radix process translations when setting MMU type

2018-02-13 Thread Michael Ellerman
On Thu, 2018-02-01 at 05:09:44 UTC, Alexey Kardashevskiy wrote: > Radix guests do normally invalidate process-scoped translations when > a new pid is allocated but migrated guests do not invalidate these so > migrated guests crash sometime, especially easy to reproduce with > migration happening

Re: [PATCH kernel v2] powerpc/mm: Flush radix process translations when setting MMU type

2018-02-13 Thread Laurent Vivier
On 07/02/2018 18:49, Daniel Henrique Barboza wrote: > > > On 02/07/2018 12:33 PM, Laurent Vivier wrote: >> On 01/02/2018 06:09, Alexey Kardashevskiy wrote: >>> Radix guests do normally invalidate process-scoped translations when >>> a new pid is allocated but migrated guests do not invalidate

Re: [PATCH kernel v2] powerpc/mm: Flush radix process translations when setting MMU type

2018-02-07 Thread Daniel Henrique Barboza
On 02/07/2018 12:33 PM, Laurent Vivier wrote: On 01/02/2018 06:09, Alexey Kardashevskiy wrote: Radix guests do normally invalidate process-scoped translations when a new pid is allocated but migrated guests do not invalidate these so migrated guests crash sometime, especially easy to

Re: [PATCH kernel v2] powerpc/mm: Flush radix process translations when setting MMU type

2018-02-07 Thread Laurent Vivier
On 01/02/2018 06:09, Alexey Kardashevskiy wrote: > Radix guests do normally invalidate process-scoped translations when > a new pid is allocated but migrated guests do not invalidate these so > migrated guests crash sometime, especially easy to reproduce with > migration happening within first 10

[PATCH kernel v2] powerpc/mm: Flush radix process translations when setting MMU type

2018-01-31 Thread Alexey Kardashevskiy
Radix guests do normally invalidate process-scoped translations when a new pid is allocated but migrated guests do not invalidate these so migrated guests crash sometime, especially easy to reproduce with migration happening within first 10 seconds after the guest boot start on the same machine.