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Roman Gushchin de9cbbaadb bpf: introduce cgroup storage maps 
This commit introduces BPF_MAP_TYPE_CGROUP_STORAGE maps:
a special type of maps which are implementing the cgroup storage.

>From the userspace point of view it's almost a generic
hash map with the (cgroup inode id, attachment type) pair
used as a key.

The only difference is that some operations are restricted:
  1) a user can't create new entries,
  2) a user can't remove existing entries.

The lookup from userspace is o(log(n)).

Signed-off-by: Roman Gushchin <guro@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-08-03 00:47:32 +02:00
..
bpf
bpf: introduce cgroup storage maps
2018-08-03 00:47:32 +02:00
cgroup
kernfs: allow creating kernfs objects with arbitrary uid/gid
2018-07-20 23:44:35 -07:00
configs
kconfig: tinyconfig: remove stale stack protector fixups
2018-06-15 07:15:28 +09:00
debug
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
dma
swiotlb: export swiotlb_dma_ops
2018-06-28 14:00:40 +02:00
events
perf/core: Move inline keyword at the beginning of declaration
2018-06-27 09:55:58 +02:00
gcov
gcov: remove CONFIG_GCOV_FORMAT_AUTODETECT
2018-06-08 18:56:02 +09:00
irq
genirq/debugfs: Add missing IRQCHIP_SUPPORTS_LEVEL_MSI debug
2018-06-22 14:22:00 +02:00
livepatch
livepatch: Allow to call a custom callback when freeing shadow variables
2018-04-17 13:42:48 +02:00
locking
Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-06-24 19:36:16 +08:00
power
fix a series of Documentation/ broken file name references
2018-06-15 18:10:01 -03:00
printk
Printk changes for 4.18
2018-06-06 16:04:55 -07:00
rcu
treewide: Use array_size() in vmalloc()
2018-06-12 16:19:22 -07:00
sched
kthread, sched/core: Fix kthread_parkme() (again...)
2018-07-03 09:17:30 +02:00
time
Revert "tick: Prefer a lower rating device only if it's CPU local device"
2018-07-10 22:12:47 +02:00
trace
tracing: Reorder display of TGID to be after PID
2018-07-12 19:56:25 -04:00
.gitignore
…
acct.c
…
async.c
kernel/async.c: revert "async: simplify lowest_in_progress()"
2018-02-06 18:32:44 -08:00
audit_fsnotify.c
fsnotify: add fsnotify_add_inode_mark() wrappers
2018-05-18 14:58:22 +02:00
audit_tree.c
fsnotify: add fsnotify_add_inode_mark() wrappers
2018-05-18 14:58:22 +02:00
audit_watch.c
\n
2018-06-17 05:06:18 +09:00
audit.c
audit: use inline function to get audit context
2018-05-14 17:24:18 -04:00
audit.h
audit: track the owner of the command mutex ourselves
2018-02-23 11:22:22 -05:00
auditfilter.c
audit: use existing session info function
2018-05-18 15:47:54 -04:00
auditsc.c
audit: Fix wrong task in comparison of session ID
2018-05-21 14:27:43 -04:00
backtracetest.c
…
bounds.c
…
capability.c
…
compat.c
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-06-04 20:27:54 -07:00
configs.c
…
context_tracking.c
…
cpu_pm.c
…
cpu.c
cpu/hotplug: Fix unused function warning
2018-03-15 20:34:40 +01:00
crash_core.c
mm: split page_type out from _mapcount
2018-06-07 17:34:37 -07:00
crash_dump.c
…
cred.c
…
delayacct.c
delayacct: Use raw_spinlocks
2018-04-27 14:34:51 +02:00
dma.c
proc: introduce proc_create_single{,_data}
2018-05-16 07:23:35 +02:00
elfcore.c
…
exec_domain.c
proc: introduce proc_create_single{,_data}
2018-05-16 07:23:35 +02:00
exit.c
kernel: use kernel_wait4() instead of sys_wait4()
2018-04-02 20:14:51 +02:00
extable.c
extable: Make init_kernel_text() global
2018-02-21 16:54:06 +01:00
fail_function.c
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
fork.c
mm: check for SIGKILL inside dup_mmap() loop
2018-06-15 07:55:24 +09:00
freezer.c
…
futex_compat.c
…
futex.c
pids: introduce find_get_task_by_vpid() helper
2018-02-06 18:32:46 -08:00
groups.c
…
hung_task.c
kernel/hung_task.c: show all hung tasks before panic
2018-06-07 17:34:39 -07:00
iomem.c
memremap: split devm_memremap_pages() and memremap() infrastructure
2018-05-15 23:08:33 -07:00
irq_work.c
…
jump_label.c
jump_label: Disable jump labels in __exit code
2018-03-20 08:57:17 +01:00
kallsyms.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk
2018-02-01 13:36:15 -08:00
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
sched/core / kcov: avoid kcov_area during task switch
2018-06-15 07:55:24 +09:00
kexec_core.c
kexec: yield to scheduler when loading kimage segments
2018-06-15 07:55:24 +09:00
kexec_file.c
treewide: Use array_size() in vzalloc()
2018-06-12 16:19:22 -07:00
kexec_internal.h
…
kexec.c
kexec: call do_kexec_load() in compat syscall directly
2018-04-02 20:15:01 +02:00
kmod.c
…
kprobes.c
kprobes: Fix random address output of blacklist file
2018-04-25 10:27:56 -04:00
ksysfs.c
…
kthread.c
kthread, sched/core: Fix kthread_parkme() (again...)
2018-07-03 09:17:30 +02:00
latencytop.c
…
Makefile
dma-mapping: move all DMA mapping code to kernel/dma
2018-06-14 08:50:37 +02:00
memremap.c
mm: introduce MEMORY_DEVICE_FS_DAX and CONFIG_DEV_PAGEMAP_OPS
2018-05-22 06:59:39 -07:00
module_signing.c
…
module-internal.h
…
module.c
Modules updates for v4.18
2018-06-16 07:36:39 +09:00
notifier.c
…
nsproxy.c
…
padata.c
…
panic.c
Kbuild: rename CC_STACKPROTECTOR[_STRONG] config variables
2018-06-14 12:21:18 +09:00
params.c
kernel/params.c: downgrade warning for unsafe parameters
2018-04-11 10:28:37 -07:00
pid_namespace.c
Merge branch 'userns-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2018-04-03 19:15:32 -07:00
pid.c
xarray: add the xa_lock to the radix_tree_root
2018-04-11 10:28:39 -07:00
profile.c
…
ptrace.c
pids: introduce find_get_task_by_vpid() helper
2018-02-06 18:32:46 -08:00
range.c
…
reboot.c
…
relay.c
kernel/relay.c: change return type to vm_fault_t
2018-06-15 07:55:24 +09:00
resource.c
libnvdimm for 4.18
2018-06-08 17:21:52 -07:00
rseq.c
rseq: uapi: Declare rseq_cs field as union, update includes
2018-07-10 22:18:52 +02:00
seccomp.c
audit/stable-4.18 PR 20180605
2018-06-06 16:34:00 -07:00
signal.c
signal: Remove no longer required irqsave/restore
2018-06-10 06:14:01 +02:00
smp.c
…
smpboot.c
…
smpboot.h
…
softirq.c
Mark HI and TASKLET softirq synchronous
2018-07-17 11:12:43 -07:00
stacktrace.c
…
stop_machine.c
Linux 4.17-rc5
2018-05-15 08:10:50 +02:00
sys_ni.c
Merge branch 'core-rseq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-06-10 10:17:09 -07:00
sys.c
mm: introduce arg_lock to protect arg_start|end and env_start|end in mm_struct
2018-06-07 17:34:34 -07:00
sysctl_binary.c
staging: irda: remove remaining remants of irda code removal
2018-04-16 11:26:49 +02:00
sysctl.c
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
task_work.c
…
taskstats.c
pids: introduce find_get_task_by_vpid() helper
2018-02-06 18:32:46 -08:00
test_kprobes.c
…
torture.c
rcu: Rename cond_resched_rcu_qs() to cond_resched_tasks_rcu_qs()
2018-05-15 10:27:29 -07:00
tracepoint.c
tracepoints: Fix the descriptions of tracepoint_probe_register{_prio}
2018-05-28 12:49:51 -04:00
tsacct.c
…
ucount.c
headers: untangle kmemleak.h from mm.h
2018-04-05 21:36:27 -07:00
uid16.c
fs: add do_fchownat(), ksys_fchown() helpers and ksys_{,l}chown() wrappers
2018-04-02 20:15:59 +02:00
uid16.h
kernel: provide ksys_*() wrappers for syscalls called by kernel/uid16.c
2018-04-02 20:15:30 +02:00
umh.c
umh: fix race condition
2018-06-07 16:56:28 -04:00
up.c
…
user_namespace.c
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
user-return-notifier.c
…
user.c
efivarfs: Limit the rate for non-root to read files
2018-02-22 10:21:02 -08:00
utsname_sysctl.c
…
utsname.c
uts: create "struct uts_namespace" from kmem_cache
2018-04-11 10:28:35 -07:00
watchdog_hld.c
…
watchdog.c
…
workqueue_internal.h
workqueue: Set worker->desc to workqueue name by default
2018-05-18 08:47:13 -07:00
workqueue.c
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00