Update kernel to builds 7855428

git log --first-parent -100 --oneline --no-decorate 5f0e9c1f8432..a7e3180850a3:
a7e3180850a3 ANDROID: Incremental fs: Fix dentry get/put imbalance on vfs_mkdir() failure
38b56fe080e4 Merge tag 'v5.15-rc7' into android-mainline
c20e72b4f2d1 Merge 87066fdd2e30 ("Revert "mm/secretmem: use refcount_t instead of atomic_t"") into android-mainline
e98e8e3ad60c Merge 9c0c4d24ac00 ("Merge tag 'block-5.15-2021-10-22' of git://git.kernel.dk/linux-block") into android-mainline
4cd67c09b61c ANDROID: sched: Export symbol for scheduler vendor module
fc6bf56229db ANDROID: sched: Export rq lock symbols
93c46202e6d3 Merge d9abdee5fd5a ("Merge branch 'akpm' (patches from Andrew)") into android-mainline
5e93939f6d8a ANDROID: Clang LTO: Only set -fvisibility=hidden for x86
839c8821c759 ANDROID: printk: Export symbol for scheduler vendor hook
6a878921fc8a ANDROID: sched: move blocked reason trace point to cover all class
d5f836726a19 ANDROID: cpufreq: Export cpu_frequency_limits tracepoint
bb7f4f66cad4 ANDROID: sched: Export max_load_balance_interval
5cfe879a2a8c ANDROID: sched: Add export symbols for sched features
4cdd5274cc08 ANDROID: sched: Add export symbol resched_curr
d7db9dc74f6e ANDROID: arch_topology: Export thermal pressure symbol
c9760ef71368 ANDROID: binder: Export binder_transaction_received trace point
b8042f5e2930 ANDROID: sched/fair: export sysctl_sched_latency symbol
f94f1b91143e ANDROID: sched: Export set_next_entity
bc70904edc77 ANDROID: sched: Add vendor hooks for sched.
3298ae9895ca Merge tag 'v5.15-rc6' into android-mainline
f04c05a5f5a0 Merge dcd619847ca7 ("Merge tag 'for-5.15/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm") into android-mainline
161302b76693 Merge 304040fb4909 ("Merge tag 's390-5.15-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux") into android-mainline
07ecea7cb88a Revert "Revert "ANDROID: trace: Add trace points for tasklet entry/exit""
0e25c12f4e87 Revert "Revert "ANDROID: Revert "softirq: Let ksoftirqd do its job"""
bdfce9c8c534 Revert "Revert "ANDROID: Revert "Mark HI and TASKLET softirq synchronous"""
f5b90ccf9cd1 Revert "Revert "ANDROID: softirq: defer softirq processing to ksoftirqd if CPU is busy with RT""
027f8bd863fe Revert "Revert "ANDROID: sched: avoid migrating when softint on tgt cpu should be short""
272fc0a73bac ANDROID: GKI: Disable CONFIG_ZONE_DMA on x86
13dea958c516 ANDROID: GKI: Disable CONFIG_ZONE_DMA on arm64
f7ede2b168ea ANDROID: sched: Update android_rvh_check_preempt_wakeup hook
632bb51100f5 ANDROID: sched: add restricted hook to override show_cpufinfo_max_freq
d54d036966cb Revert "ANDROID: gki_defconfig: Don't explicity enable CONFIG_SERIAL_SAMSUNG{_CONSOLE}"
a86263ec8cfd Revert "ANDROID: tty: serial: samsung_tty: Re-apply the depends line back into SERIAL_SAMSUNG"
63ea80092d04 Revert "ANDROID: arm64: gki_defconfig: Enable ARCH_EXYNOS"
0b369073d11b Merge 348949d9a444 ("Merge tag 'modules-for-v5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux") into android-mainline
35613e1fcbf4 ANDROID: gki_defconfig: Enable NET_ACT_BPF
8861ab35bcfb Merge f4d0cc426f77 ("Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux") into android-mainline
55b46b623675 ANDROID: mm: vmscan: support equal reclaim for anon and file pages
0f73361da2e5 ANDROID: Add a build config fragment for KHWASan.
e5aa1a481edd ANDROID: topology: Add flag to indicate topology has been updated
d4f032e36b84 ANDROID: cgroup: Add android_rvh_cgroup_force_kthread_migration
384f64c12cdd ANDROID: sched: Initialize arguments of android_rvh_replace_next_task_fair
d723168991c1 ANDROID: cpufreq: Add a restricted vendor hook for freq transition
771633a2e96d ANDROID: sched: Add restricted vendor hooks in CFS scheduler
1085eff98a25 ANDROID: sched: Add restrict vendor hooks for balance_rt()
f21e6e917828 ANDROID: iommu: Add vendor hook for iova allocation and free tracking
1f1e86960bf8 Merge 'v5.15-rc5' into 'android-mainline'
75e080794aab ANDROID: GKI: update arm64 gki_defconfig due to upstream changes
ae01864b8773 Merge 5d6ab0bb408f ("Merge tag 'xtensa-20211008' of git://github.com/jcmvbkbc/linux-xtensa") into android-mainline
e5e5f587d915 ANDROID: Restore a line removed accidentally during a revert
8d3bbb35751a Merge 1da38549dd64 ("Merge tag 'nfsd-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux") into android-mainline
281b8f39b545 Merge 5af4055fa813 ("Merge tag 'devicetree-fixes-for-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux") into android-mainline
d6c38d63fdba Revert "ANDROID: modularize BLK_MQ_VIRTIO"
fad17703b529 ANDROID: sign-file: Fix warning when OPENSSL_NO_ENGINE is set
e9f8834c6fd2 Revert "ANDROID: mark FTRACE_MCOUNT_USE_OBJTOOL as BROKEN"
c4011cfd7f18 Revert "Revert "kbuild: remove libelf checks from top Makefile""
055fcf758302 ANDROID: build.config.allmodconfig: Enable hermetic builds
e9d39639a529 FROMLIST: sign-file: Use OpenSSL provided define to compile out deprecated APIs
0aad32680ae6 FROMLIST: dm-verity: skip verity_handle_error on I/O errors
253e6970fed9 Merge 60a9483534ed ("Merge tag 'warning-fixes-20211005' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs") into android-mainline
81bf238a3bd8 Revert "ANDROID: disable BLK_DEV_NBD for allmodconfig"
2eaf08f4ce7d ANDROID: irqchip: qcom-pdc: Re-apply work to convert to IRQCHIP helpers
dcd32f20e88c ANDROID: irqchip: Kconfig: Remove superfluous 'depends on QCOM_SCM || !QCOM_SCM'
445d5c153c66 Merge tag 'v5.15-rc4' into 'android-mainline'
c21517173590 Revert "ANDROID: pause DrNo for maennich@ due to OOO"
33b3f9797b0f Merge 7b66f4393ad4 ("Merge tag 'hwmon-for-v5.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging") into android-mainline
7129e3698367 ANDROID: gki_defconfig: set CONFIG_STACK_HASH_ORDER to 12
d9caf5ce81e6 Revert "ANDROID: virtio-net: Skip set_features on non-cvq devices"
1e2c746b956f Revert "ANDROID: GKI: signal: Export for __lock_task_sighand"
c2add56087ca ANDROID: GKI: Switch to LTO_FULL
fa5d29e37836 ANDROID: x86: GKI: Enable LTO
7c86d7d2f96c ANDROID: gki_defconfig: enable optimized SHA-512 implementations
af1d96f26709 ANDROID: reboot: Export reboot_mode
9871bca777db Revert "FROMLIST: reboot: Export reboot_mode"
2de4b1013165 Merge tag 'v5.15-rc3' into 'android-mainline'
48bf4d3b6b77 Merge 7d42e9818258 ("Merge tag 'gpio-fixes-for-v5.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux") into android-mainline
af696131413a ANDROID: fs/fuse: Keep FUSE file times consistent with lower file
f30aef53ca07 Merge f9e36107ec70 ("Merge tag 'for-5.15-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux") into android-mainline
5b7969362519 Merge 58e2cf5d7946 ("init: Revert accidental changes to print irqs_disabled()") into android-mainline
2d03f6ec4bd5 Merge 92477dd1faa6 ("Merge tag 's390-5.15-ebpf-jit-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux") into android-mainline
93c605314b42 ANDROID: sched: Add vendor hooks for update_topology
30c8f8754407 ANDROID: sched: Add android_rvh_cpu_cgroup_online hook
09e27d4f36d2 ANDROID: vendor_hooks: Add hooks for scheduler
99545883fb8c ANDROID: Sched: Add hooks for scheduler
c0ba33609ef6 ANDROID: sched: add trace hook to enable EAS for SMP systems
de3955742da8 ANDROID: binder: consolidate wakeup vendor hooks into one
ca60d785429b Revert "Revert "ANDROID: Sched: Add restricted vendor hooks for scheduler""

Test: treehugger
Bug: 204261027
Change-Id: I209ac50e35cbcbbda5f38e95eacfcd6203c2f238