Re: [v6 PATCH 00/21] x86: Enable User-Mode Instruction Prevention

2017-03-09 Thread Stas Sergeev
09.03.2017 04:11, Ricardo Neri пишет: On Wed, 2017-03-08 at 19:53 +0300, Stas Sergeev wrote: 08.03.2017 19:46, Andy Lutomirski пишет: No no, since I meant prot mode, this is not what I need. I would never need to disable UMIP as to allow the prot mode apps to do SLDT. Instead it would be good

Re: [v6 PATCH 00/21] x86: Enable User-Mode Instruction Prevention

2017-03-09 Thread Stas Sergeev
09.03.2017 04:15, Ricardo Neri пишет: On Wed, 2017-03-08 at 08:46 -0800, Andy Lutomirski wrote: On Wed, Mar 8, 2017 at 8:29 AM, Stas Sergeev wrote: 08.03.2017 19:06, Andy Lutomirski пишет: On Wed, Mar 8, 2017 at 6:08 AM, Stas Sergeev wrote: 08.03.2017 03:32,

Re: [v6 PATCH 00/21] x86: Enable User-Mode Instruction Prevention

2017-03-09 Thread Stas Sergeev
09.03.2017 03:46, Ricardo Neri пишет: On Wed, 2017-03-08 at 17:08 +0300, Stas Sergeev wrote: 08.03.2017 03:32, Ricardo Neri пишет: These are the instructions covered by UMIP: * SGDT - Store Global Descriptor Table * SIDT - Store Interrupt Descriptor Table * SLDT - Store Local Descriptor Table

Re: [v6 PATCH 00/21] x86: Enable User-Mode Instruction Prevention

2017-03-09 Thread Andy Lutomirski
On Thu, Mar 9, 2017 at 2:10 PM, Stas Sergeev wrote: > 09.03.2017 04:15, Ricardo Neri пишет: > >> On Wed, 2017-03-08 at 08:46 -0800, Andy Lutomirski wrote: >>> >>> On Wed, Mar 8, 2017 at 8:29 AM, Stas Sergeev wrote: 08.03.2017 19:06, Andy Lutomirski пишет:

Re: [v6 PATCH 00/21] x86: Enable User-Mode Instruction Prevention

2017-03-09 Thread Andy Lutomirski
On Wed, Mar 8, 2017 at 5:11 PM, Ricardo Neri wrote: > On Wed, 2017-03-08 at 19:53 +0300, Stas Sergeev wrote: >> 08.03.2017 19:46, Andy Lutomirski пишет: >> >> No no, since I meant prot mode, this is not what I need. >> >> I would never need to disable UMIP