Messages in this thread | | | Date | Mon, 14 Mar 2016 21:18:26 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH v4 2/5] x86/msr: Carry on after a non-"safe" MSR access fails without !panic_on_oops |
| |
On Mon, Mar 14, 2016 at 11:10:16AM -0700, Andy Lutomirski wrote: > A couple of the wrmsr users actually care about performance. These > are the ones involved in context switching and, to a lesser extent, in > switching in and out of guest mode.
Right, this very much includes a number of perf MSRs. Some of those get called from the context switch path, others from the NMI handler.
| |