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Groups > linux.kernel > #1253007
| From | Andrew Lunn <andrew@lunn.ch> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] net: dsa: mv88e6060: Fix false positive lockdep splat |
| Date | 2015-10-21 18:20 +0200 |
| Message-ID | <qm4hm-8eF-41@gated-at.bofh.it> (permalink) |
| References | <qm3EC-7ex-35@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Oct 21, 2015 at 05:37:45PM +0200, Neil Armstrong wrote: > Like the change made for mv88e6xxx, use mutex_lock_nested() to avoid > lockdep to give false positives because of nested MDIO busses. Hi Neil We now have three instances of this, since mdio-mux.c has the same code. Maybe now would be a good time to refactor this code into mdiobus_read_nested() and mdiobus_write_nested() in mdio_bus.c? At the same time, add BUG_ON(in_interrupt()) similar to the non-nested versions? Andrew -- 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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[PATCH] net: dsa: mv88e6060: Fix false positive lockdep splat Neil Armstrong <narmstrong@baylibre.com> - 2015-10-21 17:40 +0200
Re: [PATCH] net: dsa: mv88e6060: Fix false positive lockdep splat Andrew Lunn <andrew@lunn.ch> - 2015-10-21 18:20 +0200
Re: [PATCH] net: dsa: mv88e6060: Fix false positive lockdep splat Neil Armstrong <narmstrong@baylibre.com> - 2015-10-22 09:40 +0200
Re: [PATCH] net: dsa: mv88e6060: Fix false positive lockdep splat Neil Armstrong <narmstrong@baylibre.com> - 2015-10-22 10:10 +0200
Re: [PATCH] net: dsa: mv88e6060: Fix false positive lockdep splat Neil Armstrong <narmstrong@baylibre.com> - 2015-10-22 10:10 +0200
Re: [PATCH] net: dsa: mv88e6060: Fix false positive lockdep splat Andrew Lunn <andrew@lunn.ch> - 2015-10-22 14:10 +0200
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