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Groups > linux.kernel > #1258248
| From | Will Deacon <will.deacon@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 0/7] arm64: ftrace: fix incorrect output from stack tracer |
| Date | 2015-10-28 16:30 +0100 |
| Message-ID | <qoAPM-4nj-33@gated-at.bofh.it> (permalink) |
| References | <qhgj9-iz-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: [PATCH v3 0/7] arm64: ftrace: fix incorrect output from stack tracer Will Deacon <will.deacon@arm.com> - 2015-10-28 16:30 +0100 Re: [PATCH v3 0/7] arm64: ftrace: fix incorrect output from stack tracer AKASHI Takahiro <takahiro.akashi@linaro.org> - 2015-10-29 06:30 +0100
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