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(parent: 726ce70) | patch
net: Detect drivers that reschedule NAPI and exhaust budget
authorHerbert Xu <herbert@gondor.apana.org.au>
Sat, 20 Dec 2014 20:16:22 +0000 (07:16 +1100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 24 Dec 2014 04:20:21 +0000 (23:20 -0500)
commit001ce546bb537bb5b7821f05633556a0c9787e32
tree3e3fde752c8c4bd05e6c3cb57318069e6e54bbd7tree | snapshot (tar.gz zip)
parent726ce70e9e4050409243f3a1d735dc86bc6e6e57commit | diff
net: Detect drivers that reschedule NAPI and exhaust budget

The commit d75b1ade567ffab085e8adbbdacf0092d10cd09c (net: less
interrupt masking in NAPI) required drivers to leave poll_list
empty if the entire budget is consumed.

We have already had two broken drivers so let's add a check for
this.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/dev.c diff | blob | blame | history