[S390] store indication fault optimization
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 25 Oct 2010 14:10:13 +0000 (16:10 +0200)
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>
Mon, 25 Oct 2010 14:10:15 +0000 (16:10 +0200)
commit92f842eac7ee321c8a0749aba2513541b4ac226f
tree06a9c2302729ecd6d2941f8629da1646c11c714c
parent6931be0803ddae2791f3c646c8e1e0f82ca26013
[S390] store indication fault optimization

Use the store indication bit in the translation exception code on
page faults to avoid the protection faults that immediatly follow
the page fault if the access has been a write.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/include/asm/pgtable.h
arch/s390/mm/fault.c
arch/s390/mm/init.c