Messages in this thread | | | Date | Mon, 8 Jun 2009 11:01:51 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: [PATCH 0/23] File descriptor hot-unplug support v2 |
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On Mon, 8 Jun 2009, Al Viro wrote: > > Welcome to reality... > > * bread() is non-interruptible > * so's copy_from_user()/copy_to_user() > * IO we are stuck upon _might_ be interruptible, but by sending a signal > to some other process
We can probably improve on these, though.
Like the copy_to/from_user thing. We might well be able to do that whole "if it's a fatal signal, return early" thing.
So in the _general_ case - no, we probably can't fix things. But we could likely at least improve in some common cases if we cared.
Linus
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