Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1360251
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods |
| Date | 2016-03-18 00:10 +0100 |
| Message-ID | <rdPdf-5B5-3@gated-at.bofh.it> (permalink) |
| References | <rdLW2-35m-9@gated-at.bofh.it> <rdLW2-35m-11@gated-at.bofh.it> <rdLW2-35m-7@gated-at.bofh.it> <rdP3B-5d9-35@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Mar 17, 2016 at 03:55:57PM -0700, Paul E. McKenney wrote: > That said, RCU used to use NMI-based stack traces, but switched to the > current scheme due to the NMIs having the unfortunate habit of locking > things up, which IIRC often meant no stack traces at all. If I recall > correctly, one of the problems was self-deadlock in printk(). > > Have these problems been fixed? Improved is I think the word. Although I've butchered my printk() into absolute submission :-)
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Peter Zijlstra <peterz@infradead.org> - 2016-03-17 20:40 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Chris Metcalf <cmetcalf@mellanox.com> - 2016-03-17 23:40 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Peter Zijlstra <peterz@infradead.org> - 2016-03-17 23:40 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Peter Zijlstra <peterz@infradead.org> - 2016-03-18 00:20 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-03-18 00:00 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Peter Zijlstra <peterz@infradead.org> - 2016-03-18 00:10 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Peter Zijlstra <peterz@infradead.org> - 2016-03-18 00:20 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-03-18 01:40 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Chris Metcalf <cmetcalf@mellanox.com> - 2016-03-18 01:20 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-03-18 01:50 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Daniel Thompson <daniel.thompson@linaro.org> - 2016-03-18 10:50 +0100
Re: [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-03-19 01:00 +0100
csiph-web