Re: [PATCH 06/17] x86, mpx: trace attempts to find bounds tables

2015-03-30 Thread Steven Rostedt
On Fri, Mar 27, 2015 at 02:53:03PM -0700, Dave Hansen wrote: > b/arch/x86/include/asm/trace/mpx.h | 22 ++ > b/arch/x86/mm/mpx.c|1 + > 2 files changed, 23 insertions(+) > > diff -puN arch/x86/include/asm/trace/mpx.h~mpx-trace_unmap_search > arch/x86/inc

Re: [PATCH 06/17] x86, mpx: trace attempts to find bounds tables

2015-03-27 Thread Dave Hansen
On 03/27/2015 05:32 AM, Borislav Petkov wrote: >> > This event traces any time we go looking to unmap a bounds table >> > for a given virtual address range. This is useful to ensure >> > that the kernel actually "tried" to free a bounds table versus >> > times it succeeded. >> > >> > It might try

Re: [PATCH 06/17] x86, mpx: trace attempts to find bounds tables

2015-03-27 Thread Borislav Petkov
On Thu, Mar 26, 2015 at 11:33:41AM -0700, Dave Hansen wrote: > > From: Dave Hansen > > This event traces any time we go looking to unmap a bounds table > for a given virtual address range. This is useful to ensure > that the kernel actually "tried" to free a bounds table versus > times it succe