Re: [PATCH V1 2/3] perf/x86/intel/bm.c: Add Intel Branch Monitoring support

2017-11-13 Thread Megha Dey
On Mon, 2017-11-13 at 21:25 +0100, Thomas Gleixner wrote: > On Mon, 13 Nov 2017, Dey, Megha wrote: > > >-Original Message- > > >From: Peter Zijlstra [mailto:pet...@infradead.org] > > >Sent: Monday, November 13, 2017 1:00 AM > > >To: Megha Dey > > >Cc:

RE: [PATCH V1 2/3] perf/x86/intel/bm.c: Add Intel Branch Monitoring support

2017-11-13 Thread Thomas Gleixner
On Mon, 13 Nov 2017, Dey, Megha wrote: > >-Original Message- > >From: Peter Zijlstra [mailto:pet...@infradead.org] > >Sent: Monday, November 13, 2017 1:00 AM > >To: Megha Dey > >Cc: x...@kernel.org; linux-ker...@vger.kernel.org; linux- Please fix your mail

RE: [PATCH V1 2/3] perf/x86/intel/bm.c: Add Intel Branch Monitoring support

2017-11-13 Thread Dey, Megha
namhy...@kernel.org; vikas.shiva...@linux.intel.com; >pombreda...@nexb.com; m...@kylehuey.com; b...@suse.de; Andrejczuk, >Grzegorz <grzegorz.andrejc...@intel.com>; Luck, Tony ><tony.l...@intel.com>; cor...@lwn.net; Shankar, Ravi V ><ravi.v.shan...@intel.com>; Dey, Megha

Re: [PATCH V1 2/3] perf/x86/intel/bm.c: Add Intel Branch Monitoring support

2017-11-13 Thread Peter Zijlstra
On Sat, Nov 11, 2017 at 01:20:05PM -0800, Megha Dey wrote: > Currently, the cannonlake family of Intel processors support the > branch monitoring feature. Intel's Branch monitoring feature is trying > to utilize heuristics to detect the occurrence of an ROP (Return > Oriented Programming) attack.