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Groups > linux.kernel > #1238614
| From | Thomas Gleixner <tglx@linutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: Soft lockup issue in Linux 4.1.9 |
| Date | 2015-10-02 23:10 +0200 |
| Message-ID | <qffKx-6Av-5@gated-at.bofh.it> (permalink) |
| References | (2 earlier) <qeKx5-2WG-31@gated-at.bofh.it> <qeKx5-2WG-27@gated-at.bofh.it> <qeKGL-383-33@gated-at.bofh.it> <qfeOu-5fB-7@gated-at.bofh.it> <qffAS-6a6-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, 2 Oct 2015, Eric Dumazet wrote: > On Fri, 2015-10-02 at 22:04 +0200, Thomas Gleixner wrote: > > > What makes sure, that the timer cannot be readded while that timer > > callback is running? > > What is exactly your question ? CPU0 CPU1 timer expires callback add timer timer_pending() == true ===> del_timer_sync() I was just curious how this is prevented as I got lost in the networking code as usual :) Thanks, tglx -- 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: Soft lockup issue in Linux 4.1.9 Holger Hoffstätte <holger.hoffstaette@googlemail.com> - 2015-10-01 13:50 +0200
Re: Soft lockup issue in Linux 4.1.9 Eric Dumazet <edumazet@google.com> - 2015-10-01 14:00 +0200
Re: Soft lockup issue in Linux 4.1.9 Andre Tomt <andre@tomt.net> - 2015-10-02 09:00 +0200
Re: Soft lockup issue in Linux 4.1.9 Holger Hoffstätte <holger.hoffstaette@googlemail.com> - 2015-10-02 09:20 +0200
Re: Soft lockup issue in Linux 4.1.9 Wolfgang Walter <linux@stwm.de> - 2015-10-02 21:30 +0200
Re: Soft lockup issue in Linux 4.1.9 "Thomas D." <whissi@whissi.de> - 2015-10-03 21:30 +0200
Re: Soft lockup issue in Linux 4.1.9 Thomas Gleixner <tglx@linutronix.de> - 2015-10-02 22:10 +0200
Re: Soft lockup issue in Linux 4.1.9 Eric Dumazet <eric.dumazet@gmail.com> - 2015-10-02 23:00 +0200
Re: Soft lockup issue in Linux 4.1.9 Thomas Gleixner <tglx@linutronix.de> - 2015-10-02 23:10 +0200
Re: Soft lockup issue in Linux 4.1.9 Eric Dumazet <eric.dumazet@gmail.com> - 2015-10-02 23:40 +0200
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