Re: [PATCH 3/4] coredump: ELF-FDPIC: enable to omit anonymous shared memory
From: David Howells
Date: Thu Feb 22 2007 - 06:49:04 EST
Kawai, Hidehiro <hidehiro.kawai.ez@xxxxxxxxxxx> wrote:
> Okay, the probability that the process is blocked in the proc handler seems
> to be small. But I'm not sure if problems never occur in enterprise use.
> So I'd like to use down_write_trylock() as Robin said before. And if it
> fails to acquire the lock, it returns EBUSY immediately.
> Do you have any comments?
That's probably reasonable, but that means userspace then has to handle EBUSY.
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