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(parent: 3fd26a7) | patch
[S390] hibernate: make sure pfn_is_nosave handles lowcore pages
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Tue, 22 Sep 2009 20:58:50 +0000 (22:58 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Tue, 22 Sep 2009 20:58:45 +0000 (22:58 +0200)
commit2573a575304c5ce4765fc88f9d09ed4dbf8d04bf
treea639741e80e2424254767b332c53bddd0ebc42cbtree | snapshot
parent3fd26a7793fb21b88ccf1e238670b2a508fcf835commit | diff
[S390] hibernate: make sure pfn_is_nosave handles lowcore pages

pfn_is_nosave doesn't return the correct value for the second lowcore
page if lowcore protection is enabled. Make sure it always returns
the correct value.

While at it simplify the whole thing.
NSS special handling is done by the tprot check like it already works
for DCSS as well. So remove the extra code for NSS.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/lowcore.h diff | blob | history
arch/s390/kernel/suspend.c diff | blob | history
John Crispins staging tree