Re: [PATCH v13 10/24] selftests/vm: clear the bits in shadow reg when a pkey is freed.

2018-07-17 Thread Ram Pai
On Wed, Jun 20, 2018 at 07:49:31AM -0700, Dave Hansen wrote: > On 06/13/2018 05:45 PM, Ram Pai wrote: > > When a key is freed, the key is no more effective. > > Clear the bits corresponding to the pkey in the shadow > > register. Otherwise it will carry some spurious bits > > which can trigg

Re: [PATCH v13 10/24] selftests/vm: clear the bits in shadow reg when a pkey is freed.

2018-06-20 Thread Dave Hansen
On 06/13/2018 05:45 PM, Ram Pai wrote: > When a key is freed, the key is no more effective. > Clear the bits corresponding to the pkey in the shadow > register. Otherwise it will carry some spurious bits > which can trigger false-positive asserts. ...--- a/tools/testing/selftests/vm/protecti

[PATCH v13 10/24] selftests/vm: clear the bits in shadow reg when a pkey is freed.

2018-06-13 Thread Ram Pai
When a key is freed, the key is no more effective. Clear the bits corresponding to the pkey in the shadow register. Otherwise it will carry some spurious bits which can trigger false-positive asserts. cc: Dave Hansen cc: Florian Weimer Signed-off-by: Ram Pai --- tools/testing/selftests/