Subject: Re: [PATCH v2] perf: libdw support for powerpc

From: Jiri Olsa <[email-masked]>
Date: Thu, 15 Jun 2017 14:13:55 +0200

On Thu, Jun 01, 2017 at 12:24:41PM +0200, Paolo Bonzini wrote:
> Porting PPC to libdw only needs an architecture-specific hook to move
> the register state from perf to libdw.
> 
> The ARM and x86 architectures already use libdw, and it is useful to
> have as much common code for the unwinder as possible.  Mark Wielaard
> has contributed a frame-based unwinder to libdw, so that unwinding works
> even for binaries that do not have CFI information.  In addition,
> libunwind is always preferred to libdw by the build machinery so this
> cannot introduce regressions on machines that have both libunwind and
> libdw installed.
> 
> Cc: [email-masked]
> Cc: Naveen N. Rao <[email-masked]>
> Cc: Ravi Bangoria <[email-masked]>
> Cc: [email-masked]
> Signed-off-by: Paolo Bonzini <[email-masked]>

looks good and got possitive feedback from our QE testing this

Acked-by: Jiri Olsa <[email-masked]>

thanks,
jirka