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| author |   Herbert Xu <herbert@gondor.apana.org.au> | 2008-03-28 16:25:26 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2008-03-28 16:25:26 -0700 |
| commit | 2ba2506ca7ca62c56edaa334b0fe61eb5eab6ab0 (patch) | |
| tree | 0a1b1f7046eff42e2323334b656543efdf85d38a /net/llc | |
| parent | [NET]: Don't send ICMP_FRAG_NEEDED for GSO packets (diff) | |
| download | linux-dev-2ba2506ca7ca62c56edaa334b0fe61eb5eab6ab0.tar.xz linux-dev-2ba2506ca7ca62c56edaa334b0fe61eb5eab6ab0.zip | |
[NET]: Add preemption point in qdisc_run
The qdisc_run loop is currently unbounded and runs entirely in a
softirq. This is bad as it may create an unbounded softirq run.
This patch fixes this by calling need_resched and breaking out if
necessary.
It also adds a break out if the jiffies value changes since that would
indicate we've been transmitting for too long which starves other
softirqs.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/llc')
0 files changed, 0 insertions, 0 deletions