[PATCH 4.9 01/93] parisc: Handle vmas whose context is not current in flush_cache_range

4.9-stable review patch. If anyone has any objections, please let me know. -- From: John David Anglin commit 13d57093c141db2036364d6be35e394fc5b64728 upstream. In testing James' patch to drivers/parisc/pdc_stable.c, I hit the BUG statement in

[PATCH 4.9 01/93] parisc: Handle vmas whose context is not current in flush_cache_range

4.9-stable review patch. If anyone has any objections, please let me know. -- From: John David Anglin commit 13d57093c141db2036364d6be35e394fc5b64728 upstream. In testing James' patch to drivers/parisc/pdc_stable.c, I hit the BUG statement in flush_cache_range() during a