From: Oleg Nesterov <oleg@redhat.com>
Date: Sat, 24 Nov 2012 17:51:34 +0000 (+0100)
Subject: uprobes: Kill uprobe->copy_mutex
X-Git-Tag: v3.9-rc1~173^2~2^2~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4d3ccc6d1eb74bd315d49a3829c5ad6c48d21b0;p=pandora-kernel.git

uprobes: Kill uprobe->copy_mutex

Now that ->register_rwsem is safe under ->mmap_sem we can kill
->copy_mutex and abuse down_write(&uprobe->consumer_rwsem).

This makes prepare_uprobe() even more ugly, but we should kill
it anyway.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
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