Re: [PATCH v3] x86/oprofile: remove compat accessors usage from backtrace

[Jan Beulich <jbeulich@xxxxxxxx>]

On 27.04.2021 16:21, Roger Pau Monne wrote:
> Remove the unneeded usage of the compat layer to copy frame pointers
> from guest address space. Instead just use raw_copy_from_guest.
> 
> While there change the accessibility check of one frame_head beyond to
> be performed as part of the copy, like it's done in the Linux code.

Oh, one further question: I suppose you mean historic Linux here? I
can't find anything like this anymore in current one. If so, I'm
inclined to suggest "..., like used to be done in the Linux code."
Or something substantially similar.

Jan