On Thu, 6 Nov 2014 12:41:54 +0000 Daniel Thompson daniel.thompson@linaro.org wrote:
This patchset makes it possible to use kdb's ftdump command without panicing, crashing or livelocking. The ftdump command cannot be used at all without these changes.
IIRC this patches are still pending Jason's ack.
I haven't heard from Jason in a long time. Is he still active?
-- Steve
Changes since v1:
Fixed use-after-free problems in v1 by adding logic to NULL out buffer_iter during free operations.
Introduced a second patch to fix a live lock when trying to display an empty trace buffer.
Daniel Thompson (2): trace: kdb: Fix kernel panic during ftdump trace: kdb: Fix kernel livelock with empty buffers
kernel/trace/trace_kdb.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-)
-- 1.9.3