This patch series applies on top of Peter Zijlstras' latest unwind user
enhancements (and perf deferred callchain support) on his tip perf/core
branch:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core

Which has already been merged to tip/master and linux-next/master.

Patch 1 enhances a few comments in unwind_user_next_common().

Patch 2 gets rid of an ifdef in unwind_user_next_fp() by moving it to
linux/unwind_user.h.

Patch 3 ensures the x86 unwind_user_word_size() implementation is
available whenever config option UNWIND_USER is enabled, as it is
required by unwind user in general and is not specific to its FP
unwind method.

Regards,
Jens

Jens Remus (3):
  unwind_user: Enhance comments on get CFA, FP, and RA
  unwind_user/fp: Use dummies instead of ifdef
  x86/unwind_user: Guard unwind_user_word_size() by UNWIND_USER

 arch/x86/include/asm/unwind_user.h | 28 ++++++++++++++++------------
 include/linux/unwind_user.h        | 14 +++++++++++---
 kernel/unwind/user.c               | 12 ++++--------
 3 files changed, 31 insertions(+), 23 deletions(-)

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2.51.0