Re: [PATCH v2 05/18] powerpc/85xx: Load all early TLB entries at once

2015-10-07 Thread Scott Wood
On Wed, 2015-10-07 at 17:00 +0300, Laurentiu Tudor wrote: > On 10/07/2015 06:48 AM, Scott Wood wrote: > > Use an AS=1 trampoline TLB entry to allow all normal TLB1 entries to > > be loaded at once. This avoids the need to keep the translation that > > code is executing from in the same TLB entry i

Re: [PATCH v2 05/18] powerpc/85xx: Load all early TLB entries at once

2015-10-07 Thread Laurentiu Tudor
On 10/07/2015 06:48 AM, Scott Wood wrote: > Use an AS=1 trampoline TLB entry to allow all normal TLB1 entries to > be loaded at once. This avoids the need to keep the translation that > code is executing from in the same TLB entry in the final TLB > configuration as during early boot, which in tur

[PATCH v2 05/18] powerpc/85xx: Load all early TLB entries at once

2015-10-06 Thread Scott Wood
Use an AS=1 trampoline TLB entry to allow all normal TLB1 entries to be loaded at once. This avoids the need to keep the translation that code is executing from in the same TLB entry in the final TLB configuration as during early boot, which in turn is helpful for relocatable kernels (e.g. kdump)