redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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>
hifive-unleashed-5.1
Gavin Shan 2016-09-28 14:34:54 +10:00 committed by Michael Ellerman
parent de5a662249
commit 35066c0d79
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/powerpc/kernel/eeh.c
View File

@ -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);