5.5-stable patches

5.5-stable patches

added patches:
	aio-prevent-potential-eventfd-recursion-on-poll.patch
	arm-tegra-enable-pllp-bypass-during-tegra124-lp1.patch
	bcache-add-readahead-cache-policy-options-via-sysfs-interface.patch
	btrfs-correctly-handle-empty-trees-in-find_first_clear_extent_bit.patch
	btrfs-drop-log-root-for-dropped-roots.patch
	btrfs-fix-infinite-loop-during-fsync-after-rename-operations.patch
	btrfs-fix-missing-hole-after-hole-punching-and-fsync-when-using-no_holes.patch
	btrfs-fix-race-between-adding-and-putting-tree-mod-seq-elements-and-nodes.patch
	btrfs-flush-write-bio-if-we-loop-in-extent_write_cache_pages.patch
	btrfs-free-block-groups-after-free-ing-fs-trees.patch
	btrfs-make-deduplication-with-range-including-the-last-block-work.patch
	btrfs-send-fix-emission-of-invalid-clone-operations-within-the-same-file.patch
	btrfs-set-trans-drity-in-btrfs_commit_transaction.patch
	drm-atmel-hlcdc-enable-clock-before-configuring-timing-engine.patch
	drm-atmel-hlcdc-prefer-a-lower-pixel-clock-than-requested.patch
	drm-atmel-hlcdc-use-double-rate-for-pixel-clock-only-if-supported.patch
	drm-rect-avoid-division-by-zero.patch
	eventfd-track-eventfd_signal-recursion-depth.patch
	ext4-fix-deadlock-allocating-crypto-bounce-page-from-mempool.patch
	ext4-fix-race-conditions-in-d_compare-and-d_hash.patch
	gfs2-fix-gfs2_find_jhead-that-returns-uninitialized-jhead-with-seq-0.patch
	gfs2-fix-o_sync-write-handling.patch
	gfs2-move-setting-current-backing_dev_info.patch
	io_uring-don-t-map-read-write-iovec-potentially-twice.patch
	io_uring-spin-for-sq-thread-to-idle-on-shutdown.patch
	iwlwifi-don-t-throw-error-when-trying-to-remove-igtk.patch
	jbd2_seq_info_next-should-increase-position-index.patch
	kvm-ppc-book3s-hv-uninit-vcpu-if-vcore-creation-fails.patch
	kvm-ppc-book3s-pr-free-shared-page-if-mmu-initialization-fails.patch
	kvm-svm-pku-not-currently-supported.patch
	kvm-x86-fix-potential-put_fpu-w-o-load_fpu-on-mpx-platform.patch
	kvm-x86-mmu-apply-max-pa-check-for-mmio-sptes-to-32-bit-kvm.patch
	kvm-x86-protect-dr-based-index-computations-from-spectre-v1-l1tf-attacks.patch
	kvm-x86-protect-ioapic_read_indirect-from-spectre-v1-l1tf-attacks.patch
	kvm-x86-protect-ioapic_write_indirect-from-spectre-v1-l1tf-attacks.patch
	kvm-x86-protect-kvm_hv_msr__crash_data-from-spectre-v1-l1tf-attacks.patch
	kvm-x86-protect-kvm_lapic_reg_write-from-spectre-v1-l1tf-attacks.patch
	kvm-x86-protect-msr-based-index-computations-from-spectre-v1-l1tf-attacks-in-x86.c.patch
	kvm-x86-protect-msr-based-index-computations-in-fixed_msr_to_seg_unit-from-spectre-v1-l1tf-attacks.patch
	kvm-x86-protect-msr-based-index-computations-in-pmu.h-from-spectre-v1-l1tf-attacks.patch
	kvm-x86-protect-pmu_intel.c-from-spectre-v1-l1tf-attacks.patch
	kvm-x86-protect-x86_decode_insn-from-spectre-v1-l1tf-attacks.patch
	kvm-x86-refactor-picdev_write-to-prevent-spectre-v1-l1tf-attacks.patch
	kvm-x86-refactor-prefix-decoding-to-prevent-spectre-v1-l1tf-attacks.patch
	media-iguanair-fix-endpoint-sanity-check.patch
	media-rc-ensure-lirc-is-initialized-before-registering-input-device.patch
	mwifiex-fix-unbalanced-locking-in-mwifiex_process_country_ie.patch
	nfs-directory-page-cache-pages-need-to-be-locked-when-read.patch
	nfs-fix-memory-leaks-and-corruption-in-readdir.patch
	nfsd-fix-filecache-lookup.patch
	powerpc-futex-fix-incorrect-user-access-blocking.patch
	scsi-qla2xxx-fix-unbound-nvme-response-length.patch
	sunrpc-expiry_time-should-be-seconds-not-timeval.patch
	tools-kvm_stat-fix-kvm_exit-filter-name.patch
	watchdog-fix-uaf-in-reboot-notifier-handling-in-watchdog-core-code.patch
	xen-balloon-support-xend-based-toolstack-take-two.patch
	xen-gntdev-do-not-use-mm-notifiers-with-autotranslating-guests.patch