[RFC PATCH] uprobes: copy to user-space xol page with proper cache flushing

David Miller davem at davemloft.net
Tue Apr 15 10:50:38 PDT 2014


From: Oleg Nesterov <oleg at redhat.com>
Date: Tue, 15 Apr 2014 19:49:00 +0200

> We do not want to write to, say, page cache if the probed application
> mmaps a file at the same vaddr.

If user has write access to that page... not our problem.

And if he doesn't we'll fault.




More information about the linux-arm-kernel mailing list