Re: [RFC patch 28/41] dma/debug: Simplify stracktrace retrieval

[Christoph Hellwig]

On Wed, Apr 10, 2019 at 12:28:22PM +0200, Thomas Gleixner wrote:
> Replace the indirection through struct stack_trace with an invocation of
> the storage array based interface.

This seems to be missing some context, at least stack_trace_save does
not actually exist in mainline.

Please always send the whole series out to everyone on the To and Cc
list, otherwise patch series are not reviewable.