powerpc: Exit user context on notify resume
authorLi Zhong <zhong@linux.vnet.ibm.com>
Mon, 13 May 2013 16:16:42 +0000 (16:16 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 14 May 2013 06:00:20 +0000 (16:00 +1000)
commit106ed886abc46723c290e82e5f161d9b40820203
tree70fd4f2b40bea53c0bf1d8bfa2bf133870f371a6
parentba12eedee321eeb5baecaada285daeb3462c35f5
powerpc: Exit user context on notify resume

This patch allows RCU usage in do_notify_resume, e.g. signal handling.
It corresponds to
[PATCH] x86: Exit RCU extended QS on notify resume
  commit edf55fda35c7dc7f2d9241c3abaddaf759b457c6

Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/kernel/signal.c