Messages in this thread | | | Date | Wed, 28 Oct 2015 15:23:45 +0000 | From | Will Deacon <> | Subject | Re: [PATCH v3 0/7] arm64: ftrace: fix incorrect output from stack tracer |
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On Thu, Oct 08, 2015 at 07:01:37PM +0900, AKASHI Takahiro wrote: > This is the third patch series for fixing stack tracer on arm64. > The original issue was reported by Jungseok[1], and then I found more > issues[2]. > (Steven, Jungseok, sorry for not replying to your comments directly.) > > I address here all the issues and implement fixes described in [2] except > for interrupt-triggered problems, ie. II-3). Recent discussions[3] about > introducing a dedicated interrupt stack suggests that we may avoid walking > through from an interrupt stack to a process stack. > (So interrupt-stack patch is a prerequisite.) > > Basically, > patch1 corresponds to the original issue. > patch2 is a proactive improvement of function_graph tracer. > patch3 corresponds to II-4(functions under function_graph tracer). > patch4 corresponds to II-5(leaf function). > patch5, 6 and 7 correspond to II-1(slurping stack) and II-2(differences > between x86 and arm64). > > Each fix can be applied independently, but if patch5, 6 and 7 are > acceptable, patch1 is not necessary because patch7 replaces a default > stack tracer.
Given the comments and kbuild robot build errors, do you plan to post a new version of this series?
Will
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