Re: [PATCH] powerpc: mm: Limit rma_size to 1TB when running without HV mode

2019-07-18 Thread Michael Ellerman
On Wed, 2019-07-10 at 05:20:18 UTC, Suraj Jitindar Singh wrote: > The virtual real mode addressing (VRMA) mechanism is used when a > partition is using HPT (Hash Page Table) translation and performs > real mode accesses (MSR[IR|DR] = 0) in non-hypervisor mode. In this > mode effective address bits

Re: [PATCH] powerpc: mm: Limit rma_size to 1TB when running without HV mode

2019-07-14 Thread Michael Ellerman
Suraj Jitindar Singh writes: > On Fri, 2019-07-12 at 23:09 +1000, Michael Ellerman wrote: >> Suraj Jitindar Singh writes: >> > The virtual real mode addressing (VRMA) mechanism is used when a >> > partition is using HPT (Hash Page Table) translation and performs >> > real mode accesses

Re: [PATCH] powerpc: mm: Limit rma_size to 1TB when running without HV mode

2019-07-14 Thread Suraj Jitindar Singh
On Fri, 2019-07-12 at 23:09 +1000, Michael Ellerman wrote: > Suraj Jitindar Singh writes: > > The virtual real mode addressing (VRMA) mechanism is used when a > > partition is using HPT (Hash Page Table) translation and performs > > real mode accesses (MSR[IR|DR] = 0) in non-hypervisor mode. In

Re: [PATCH] powerpc: mm: Limit rma_size to 1TB when running without HV mode

2019-07-12 Thread Michael Ellerman
Suraj Jitindar Singh writes: > The virtual real mode addressing (VRMA) mechanism is used when a > partition is using HPT (Hash Page Table) translation and performs > real mode accesses (MSR[IR|DR] = 0) in non-hypervisor mode. In this > mode effective address bits 0:23 are treated as zero (i.e.

Re: [PATCH] powerpc: mm: Limit rma_size to 1TB when running without HV mode

2019-07-10 Thread David Gibson
On Wed, Jul 10, 2019 at 03:20:18PM +1000, Suraj Jitindar Singh wrote: > The virtual real mode addressing (VRMA) mechanism is used when a > partition is using HPT (Hash Page Table) translation and performs > real mode accesses (MSR[IR|DR] = 0) in non-hypervisor mode. In this > mode effective

Re: [PATCH] powerpc: mm: Limit rma_size to 1TB when running without HV mode

2019-07-10 Thread Satheesh Rajendran
On Wed, Jul 10, 2019 at 03:20:18PM +1000, Suraj Jitindar Singh wrote: > The virtual real mode addressing (VRMA) mechanism is used when a > partition is using HPT (Hash Page Table) translation and performs > real mode accesses (MSR[IR|DR] = 0) in non-hypervisor mode. In this > mode effective

[PATCH] powerpc: mm: Limit rma_size to 1TB when running without HV mode

2019-07-09 Thread Suraj Jitindar Singh
The virtual real mode addressing (VRMA) mechanism is used when a partition is using HPT (Hash Page Table) translation and performs real mode accesses (MSR[IR|DR] = 0) in non-hypervisor mode. In this mode effective address bits 0:23 are treated as zero (i.e. the access is aliased to 0) and the