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: [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