Re: [PATCH v4 3.0-rc2-tip 2/22] 2: uprobes: Breakground pagereplacement.

From: Peter Zijlstra
Date: Tue Jun 14 2011 - 09:02:14 EST


On Mon, 2011-06-13 at 19:00 +0200, Oleg Nesterov wrote:
>
> Also. This is called under down_read(mmap_sem), can't we race with
> access_process_vm() modifying the same memory?

Shouldn't matter COW and similar things are serialized using the pte
lock.
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