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Groups > linux.kernel > #1268074
| From | Hannes Frederic Sowa <hannes@stressinduktion.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] ip_tunnel: disable preemption when updating per-cpu tstats |
| Date | 2015-11-12 17:30 +0100 |
| Message-ID | <qu2V3-2MB-1@gated-at.bofh.it> (permalink) |
| References | <qu28G-2eq-23@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Nov 12, 2015, at 16:30, Jason A. Donenfeld wrote:
> if (err > 0) {
> - struct pcpu_sw_netstats *tstats = this_cpu_ptr(stats);
> -
> + struct pcpu_sw_netstats *tstats;
> + preempt_disable();
> + tstats = this_cpu_ptr(stats);
The canonical way is get_cpu_ptr(stats) / put_cpu_ptr.
Bye,
Hannes
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[PATCH] ip_tunnel: disable preemption when updating per-cpu tstats "Jason A. Donenfeld" <Jason@zx2c4.com> - 2015-11-12 16:40 +0100
Re: [PATCH] ip_tunnel: disable preemption when updating per-cpu tstats Hannes Frederic Sowa <hannes@stressinduktion.org> - 2015-11-12 17:30 +0100
Re: [PATCH] ip_tunnel: disable preemption when updating per-cpu tstats "Jason A. Donenfeld" <Jason@zx2c4.com> - 2015-11-12 17:40 +0100
Re: [PATCH] ip_tunnel: disable preemption when updating per-cpu tstats "Jason A. Donenfeld" <Jason@zx2c4.com> - 2015-11-12 18:00 +0100
[PATCH v2] ip_tunnel: disable preemption when updating per-cpu tstats "Jason A. Donenfeld" <Jason@zx2c4.com> - 2015-11-12 17:40 +0100
Re: [PATCH v2] ip_tunnel: disable preemption when updating per-cpu tstats Hannes Frederic Sowa <hannes@stressinduktion.org> - 2015-11-16 11:10 +0100
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