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Gerald Schaefer 75903d40aa s390/mm: make pmdp_invalidate() do invalidation only ... commit 91c575b335 upstream. Commit 227be799c3 ("s390/mm: uninline pmdp_xxx functions from pgtable.h") inadvertently changed the behavior of pmdp_invalidate(), so that it now clears the pmd instead of just marking it as invalid. Fix this by restoring the original behavior. A possible impact of the misbehaving pmdp_invalidate() would be the MADV_DONTNEED races (see commits ced10803 and 58ceeb6b), although we should not have any negative impact on the related dirty/young flags, since those flags are not set by the hardware on s390. Fixes: 227be799c3 ("s390/mm: uninline pmdp_xxx functions from pgtable.h") Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		6 years ago
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appldata	s390: Remove deprecated create_singlethread_workqueue	7 years ago
boot	s390/decompressor: fix initrd corruption caused by bss clear	6 years ago
configs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux	7 years ago
crypto	s390/crypto: unlock on error in prng_tdes_read()	6 years ago
hypfs	s390/hypfs: Use get_free_page() instead of kmalloc to ensure page alignment	7 years ago
include	s390/mm: make pmdp_invalidate() do invalidation only	6 years ago
kernel	s390/kvm: do not rely on the ILC on kvm host protection fauls	6 years ago
kvm	KVM: s390: sthyi: fix specification exception detection	6 years ago
lib	Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild	7 years ago
mm	s390/mm: fix write access check in gup_huge_pmd()	6 years ago
net	bpf, s390: fix jit branch offset related to ldimm64	6 years ago
numa	s390/numa: only set possible nodes within node_possible_map	7 years ago
oprofile	s390/dumpstack: restore reliable indicator for call traces	7 years ago
pci	s390/pci: fix dma address calculation in map_sg	6 years ago
tools	s390/facilities: do not generate DWORDS define anymore	7 years ago
Kbuild	s390/numa: add core infrastructure	8 years ago
Kconfig	atomic64: no need for CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE	7 years ago
Kconfig.debug	arch: consolidate CONFIG_STRICT_DEVM in lib/Kconfig.debug	7 years ago
Makefile	s390: add assembler include path for vx-insn.h	7 years ago
defconfig	mm/usercopy: get rid of CONFIG_DEBUG_STRICT_USER_COPY_CHECKS	7 years ago