Re: [RFC v5 02/38] powerpc: Free up four 64K PTE bits in 64K backed HPTE pages

2017-07-13 Thread Ram Pai
On Wed, Jul 12, 2017 at 01:10:51PM +1000, Balbir Singh wrote: > On Tue, 11 Jul 2017 08:44:15 -0700 > Ram Pai wrote: > > > On Tue, Jul 11, 2017 at 03:59:59PM +1000, Balbir Singh wrote: > > > On Wed, 5 Jul 2017 14:21:39 -0700 > > > Ram Pai wrote: > > > > > > > Rearrange 64K PTE bits to free

Re: [RFC v5 02/38] powerpc: Free up four 64K PTE bits in 64K backed HPTE pages

2017-07-11 Thread Balbir Singh
On Tue, 11 Jul 2017 08:44:15 -0700 Ram Pai wrote: > On Tue, Jul 11, 2017 at 03:59:59PM +1000, Balbir Singh wrote: > > On Wed, 5 Jul 2017 14:21:39 -0700 > > Ram Pai wrote: > > > > > Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 > > > in the 64K backed HPTE pages. This along with t

Re: [RFC v5 02/38] powerpc: Free up four 64K PTE bits in 64K backed HPTE pages

2017-07-11 Thread Ram Pai
On Tue, Jul 11, 2017 at 03:59:59PM +1000, Balbir Singh wrote: > On Wed, 5 Jul 2017 14:21:39 -0700 > Ram Pai wrote: > > > Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 > > in the 64K backed HPTE pages. This along with the earlier > > patch will entirely free up the four bits from 64

Re: [RFC v5 02/38] powerpc: Free up four 64K PTE bits in 64K backed HPTE pages

2017-07-10 Thread Balbir Singh
On Wed, 5 Jul 2017 14:21:39 -0700 Ram Pai wrote: > Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 > in the 64K backed HPTE pages. This along with the earlier > patch will entirely free up the four bits from 64K PTE. > The bit numbers are big-endian as defined in the ISA3.0 > > Th

[RFC v5 02/38] powerpc: Free up four 64K PTE bits in 64K backed HPTE pages

2017-07-05 Thread Ram Pai
Rearrange 64K PTE bits to free up bits 3, 4, 5 and 6 in the 64K backed HPTE pages. This along with the earlier patch will entirely free up the four bits from 64K PTE. The bit numbers are big-endian as defined in the ISA3.0 This patch does the following change to 64K PTE backed by 64K H