Re: [RFC v5 14/38] powerpc: initial plumbing for key management

2017-07-13 Thread Balbir Singh
On Fri, Jul 14, 2017 at 6:37 AM, Ram Pai wrote: > On Thu, Jul 13, 2017 at 12:45:00AM -0700, Ram Pai wrote: >> On Wed, Jul 12, 2017 at 01:28:25PM +1000, Balbir Singh wrote: >> > On Wed, 5 Jul 2017 14:21:51 -0700 >> > Ram Pai wrote: >> > >> > > Initial plumbing to manage all the keys supported by

Re: [RFC v5 14/38] powerpc: initial plumbing for key management

2017-07-13 Thread Ram Pai
On Thu, Jul 13, 2017 at 12:45:00AM -0700, Ram Pai wrote: > On Wed, Jul 12, 2017 at 01:28:25PM +1000, Balbir Singh wrote: > > On Wed, 5 Jul 2017 14:21:51 -0700 > > Ram Pai wrote: > > > > > Initial plumbing to manage all the keys supported by the > > > hardware. > > > > > > Total 32 keys are supp

Re: [RFC v5 14/38] powerpc: initial plumbing for key management

2017-07-13 Thread Ram Pai
On Wed, Jul 12, 2017 at 01:28:25PM +1000, Balbir Singh wrote: > On Wed, 5 Jul 2017 14:21:51 -0700 > Ram Pai wrote: > > > Initial plumbing to manage all the keys supported by the > > hardware. > > > > Total 32 keys are supported on powerpc. However pkey 0,1 > > and 31 are reserved. So effectivel

Re: [RFC v5 14/38] powerpc: initial plumbing for key management

2017-07-11 Thread Balbir Singh
On Wed, 5 Jul 2017 14:21:51 -0700 Ram Pai wrote: > Initial plumbing to manage all the keys supported by the > hardware. > > Total 32 keys are supported on powerpc. However pkey 0,1 > and 31 are reserved. So effectively we have 29 pkeys. > > This patch keeps track of reserved keys, allocated k