Christian Borntraeger 1951497d90 KVM: s390/mm: Fix guest storage key corruption in ptep_set_access_flags ... commit 0944fe3f4a ("s390/mm: implement software referenced bits") triggered another paging/storage key corruption. There is an unhandled invalid->valid pte change where we have to set the real storage key from the pgste. When doing paging a guest page might be swapcache or swap and when faulted in it might be read-only and due to a parallel scan old. An do_wp_page will make it writeable and young. Due to software reference tracking this page was invalid and now becomes valid. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: stable@vger.kernel.org # v3.12+		2014-09-02 10:30:43 +02:00
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asm	KVM: s390/mm: Fix guest storage key corruption in ptep_set_access_flags	2014-09-02 10:30:43 +02:00
uapi/asm	Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-08-04 16:09:53 -07:00