Re: [PATCH v2]: perf/x86: store user space frame-pointer value on a sample

[Peter Zijlstra]

On Wed, May 23, 2018 at 01:06:58PM +0300, Alexey Budankov wrote:

> Is the patch ready to be up streamed now? 

Please post a new one where you modify the comment about the syscalls
not saving registers and ideally find the commit that made it so.

Also; I think Andy would appreciate a comment near the syscall code that
refers back to this code and states what registers we rely upon being
there (+BP for this patch).