From: Gavin Shan <gwshan@linux.vnet.ibm.com>
Date: Wed, 28 Sep 2016 04:34:54 +0000 (+1000)
Subject: powerpc/eeh: Export confirm_error_lock
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=35066c0d798906d46c352c3f12844d2a162d057d;p=linux-beck.git

powerpc/eeh: Export confirm_error_lock

This exports @confirm_error_lock so that eeh_serialize_{lock, unlock}()
can be used to freeze the affected PE in PCI surprise hot remove path.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---

diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 0699f15f44cf..130bcae1e2da 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -116,6 +116,7 @@ struct eeh_ops *eeh_ops = NULL;
 
 /* Lock to avoid races due to multiple reports of an error */
 DEFINE_RAW_SPINLOCK(confirm_error_lock);
+EXPORT_SYMBOL_GPL(confirm_error_lock);
 
 /* Lock to protect passed flags */
 static DEFINE_MUTEX(eeh_dev_mutex);