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(parent: 6e69cd0) | patch
[S390] fix list corruption in gmap reverse mapping
authorCarsten Otte <cotte@de.ibm.com>
Mon, 10 Oct 2011 14:59:14 +0000 (16:59 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 10 Oct 2011 14:58:57 +0000 (16:58 +0200)
commitd417808c4a48aa500f7e16f1dd494c0f8ae3035e
tree6df0215876edb562a7ed614bf61dca58b6cbea7etree | snapshot
parent6e69cd0def2268f1cda6ee0254e9754742473c10commit | diff
[S390] fix list corruption in gmap reverse mapping

This introduces locking via mm->page_table_lock to protect
the rmap list for guest mappings from being corrupted by concurrent
operations.

Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/mm/pgtable.c diff | blob | history
Linux kernel for KaRo TX COM modules