On Tue, 23 Jul 2002, David S. Miller wrote:
>
> In case of socket transmission errors etc. kfree_skb(), and hence
> xprt_write_space() can potentially get called outside of a bh-safe
> context.
>
> kfree_skb must occur within a BH context or better context.
I think you're talking past each other.
Trond noticed that kfree_skb() can be called from a _non_ bh context, ie
process context. So it needs to protect itself against other bh's on this
CPU (which it wouldn't need to do if it was only called from a bh
context).
So it's exactly your "better context" that is at stake here.
Linus
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This archive was generated by hypermail 2b29 : Tue Jul 23 2002 - 22:00:45 EST