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Martin KaFai Lau 14dc6f04f4 bpf: Add syscall lookup support for fd array and htab 
This patch allows userspace to do BPF_MAP_LOOKUP_ELEM on
BPF_MAP_TYPE_PROG_ARRAY,
BPF_MAP_TYPE_ARRAY_OF_MAPS and
BPF_MAP_TYPE_HASH_OF_MAPS.

The lookup returns a prog-id or map-id to the userspace.
The userspace can then use the BPF_PROG_GET_FD_BY_ID
or BPF_MAP_GET_FD_BY_ID to get a fd.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-29 13:13:25 -04:00
..
bpf
bpf: Add syscall lookup support for fd array and htab
2017-06-29 13:13:25 -04:00
cgroup
cpuset: consider dying css as offline
2017-05-24 12:43:30 -04:00
configs
config: android-base: enable hardened usercopy and kernel ASLR
2017-02-27 18:43:46 -08:00
debug
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h>
2017-03-02 08:42:34 +01:00
events
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-06-15 11:59:32 -04:00
gcov
gcov: support GCC 7.1
2017-05-12 15:57:15 -07:00
irq
genirq: Release resources in __setup_irq() error path
2017-06-13 00:40:39 +02:00
livepatch
livepatch: Fix stacking of patches with respect to RCU
2017-06-20 10:42:19 +02:00
locking
futex,rt_mutex: Fix rt_mutex_cleanup_proxy_lock()
2017-05-22 21:57:18 +02:00
power
Merge branches 'intel_pstate' and 'pm-sleep'
2017-06-09 01:25:16 +02:00
printk
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk
2017-06-08 10:50:04 -07:00
rcu
srcu: Allow use of Classic SRCU from both process and interrupt context
2017-06-08 08:25:19 -07:00
sched
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-06-18 18:45:17 +09:00
time
tick/broadcast: Make tick_broadcast_setup_oneshot() static
2017-06-12 18:56:01 +02:00
trace
bpf: possibly avoid extra masking for narrower load in verifier
2017-06-23 14:04:11 -04:00
.gitignore
certs: add .gitignore to stop git nagging about x509_certificate_list
2015-10-21 15:18:35 +01:00
acct.c
sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h>
2017-03-02 08:42:39 +01:00
async.c
async: export current_is_async()
2015-11-19 17:51:48 +01:00
audit_fsnotify.c
Merge branch 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2017-05-03 11:05:15 -07:00
audit_tree.c
Merge branch 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2017-05-03 11:05:15 -07:00
audit_watch.c
Merge branch 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2017-05-03 11:05:15 -07:00
audit.c
Merge branch 'stable-4.12' of git://git.infradead.org/users/pcmoore/audit
2017-05-03 09:21:59 -07:00
audit.h
audit: Use timespec64 to represent audit timestamps
2017-05-02 10:16:05 -04:00
auditfilter.c
audit: kernel generated netlink traffic should have a portid of 0
2017-05-02 10:16:05 -04:00
auditsc.c
Merge branch 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2017-05-03 11:05:15 -07:00
backtracetest.c
…
bounds.c
…
capability.c
capability: export has_capability
2017-01-12 07:01:56 -07:00
compat.c
time: Change k_clock nsleep() to use timespec64
2017-04-14 21:49:56 +02:00
configs.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
context_tracking.c
context_tracking: Switch to new static_branch API
2015-11-24 09:56:43 +01:00
cpu_pm.c
…
cpu.c
cpu/hotplug: Drop the device lock on error
2017-06-03 09:35:04 +02:00
crash_core.c
ia64: reuse append_elf_note() and final_note() functions
2017-05-08 17:15:11 -07:00
crash_dump.c
…
cred.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/coredump.h>
2017-03-02 08:42:28 +01:00
delayacct.c
sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h>
2017-03-02 08:42:39 +01:00
dma.c
…
elfcore.c
…
exec_domain.c
…
exit.c
userfaultfd: non-cooperative: rollback userfaultfd_exit
2017-03-09 17:01:09 -08:00
extable.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-02-22 10:15:09 -08:00
fork.c
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-05-27 08:52:27 -07:00
freezer.c
freezer, oom: check TIF_MEMDIE on the correct task
2016-07-28 16:07:41 -07:00
futex_compat.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
futex.c
futex: Clarify mark_wake_futex memory barrier usage
2017-04-15 16:03:46 +02:00
groups.c
mm, vmalloc: use __GFP_HIGHMEM implicitly
2017-05-08 17:15:13 -07:00
hung_task.c
kernel/hung_task.c: defer showing held locks
2017-05-08 17:15:10 -07:00
irq_work.c
treewide: Remove old email address
2015-11-23 09:44:58 +01:00
jump_label.c
This release has no new tracing features, just clean ups, minor fixes
2017-02-27 13:26:17 -08:00
kallsyms.c
bpf: make jited programs visible in traces
2017-02-17 13:40:05 -05:00
kcmp.c
ptrace: use fsuid, fsgid, effective creds for fs access checks
2016-01-20 17:09:18 -08:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
locking/mutex: Allow MUTEX_SPIN_ON_OWNER when DEBUG_MUTEXES
2016-10-25 11:31:51 +02:00
Kconfig.preempt
…
kcov.c
kcov: simplify interrupt check
2017-05-08 17:15:12 -07:00
kexec_core.c
ia64: reuse append_elf_note() and final_note() functions
2017-05-08 17:15:11 -07:00
kexec_file.c
kexec, x86/purgatory: Unbreak it and clean it up
2017-03-10 20:55:09 +01:00
kexec_internal.h
kexec, x86/purgatory: Unbreak it and clean it up
2017-03-10 20:55:09 +01:00
kexec.c
kexec: allow architectures to override boot mapping
2016-08-02 19:35:27 -04:00
kmod.c
sched/headers, vfs/execve: Prepare to move the do_execve*() prototypes from <linux/sched.h> to <linux/binfmts.h>
2017-03-02 08:42:39 +01:00
kprobes.c
kprobes/x86: Fix to set RWX bits correctly before releasing trampoline
2017-05-26 22:37:00 -04:00
ksysfs.c
crash: move crashkernel parsing and vmcore related code under CONFIG_CRASH_CORE
2017-05-08 17:15:11 -07:00
kthread.c
cgroup, kthread: close race window where new kthreads can be migrated to non-root cgroups
2017-03-17 10:18:47 -04:00
latencytop.c
sched/headers: Prepare to move sched_info_on() and force_schedstat_enabled() from <linux/sched.h> to <linux/sched/stat.h>
2017-03-02 08:42:39 +01:00
Makefile
crash: move crashkernel parsing and vmcore related code under CONFIG_CRASH_CORE
2017-05-08 17:15:11 -07:00
membarrier.c
Fix: Disable sys_membarrier when nohz_full is enabled
2017-01-23 11:32:16 -08:00
memremap.c
mm, zone_device: Replace {get, put}_zone_device_page() with a single reference to fix pmem crash
2017-05-01 09:15:53 +02:00
module_signing.c
KEYS: Move the point of trust determination to __key_link()
2016-04-11 22:43:43 +01:00
module-internal.h
…
module.c
kernel/module.c: use set_memory.h header
2017-05-08 17:15:14 -07:00
notifier.c
kernel/notifier.c: simplify expression
2017-02-24 17:46:56 -08:00
nsproxy.c
perf: Add PERF_RECORD_NAMESPACES to include namespaces related info
2017-03-13 15:57:41 -03:00
padata.c
padata: get_next is never NULL
2017-04-21 20:30:46 +08:00
panic.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h>
2017-03-02 08:42:34 +01:00
params.c
boot/param: Move next_arg() function to lib/cmdline.c for later reuse
2017-04-18 10:37:13 +02:00
pid_namespace.c
pid_ns: Sleep in TASK_INTERRUPTIBLE in zap_pid_ns_processes
2017-05-13 17:26:01 -05:00
pid.c
pidns: disable pid allocation if pid_ns_prepare_proc() is failed in alloc_pid()
2017-05-08 17:15:12 -07:00
profile.c
sched/headers: Prepare to move sched_info_on() and force_schedstat_enabled() from <linux/sched.h> to <linux/sched/stat.h>
2017-03-02 08:42:39 +01:00
ptrace.c
ptrace: Properly initialize ptracer_cred on fork
2017-05-23 07:40:44 -05:00
range.c
…
reboot.c
…
relay.c
Merge branch 'work.splice' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2017-05-02 11:38:06 -07:00
resource.c
/proc/iomem: only expose physical resource addresses to privileged users
2016-04-14 12:56:09 -07:00
seccomp.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h>
2017-03-02 08:42:36 +01:00
signal.c
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-05-10 10:30:46 -07:00
smp.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/idle.h>
2017-03-02 08:42:26 +01:00
smpboot.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task.h>
2017-03-02 08:42:35 +01:00
smpboot.h
cpu/hotplug: Create hotplug threads
2016-03-01 20:36:56 +01:00
softirq.c
sched/core: Remove 'task' parameter and rename tsk_restore_flags() to current_restore_flags()
2017-04-11 09:06:32 +02:00
stacktrace.c
stacktrace/x86: add function for detecting reliable stack traces
2017-03-08 09:18:02 +01:00
stop_machine.c
locking/core, stop_machine: Yield the CPU during stop machine()
2016-11-16 10:15:09 +01:00
sys_ni.c
move aio compat to fs/aio.c
2016-12-22 22:58:37 -05:00
sys.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2017-05-05 11:08:43 -07:00
sysctl_binary.c
net: Remove NET_CORE_BUDGET_USECS from sysctl binary interface.
2017-04-21 15:59:52 -04:00
sysctl.c
proc/sysctl: fix the int overflow for jiffies conversion
2017-05-08 17:15:10 -07:00
task_work.c
task_work: use READ_ONCE/lockless_dereference, avoid pi_lock if !task_works
2016-08-02 19:35:02 -04:00
taskstats.c
taskstats: add e/u/stime for TGID command
2017-05-08 17:15:12 -07:00
test_kprobes.c
…
torture.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h>
2017-03-02 08:42:27 +01:00
tracepoint.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task.h>
2017-03-02 08:42:35 +01:00
tsacct.c
sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h>
2017-03-02 08:42:39 +01:00
ucount.c
ucount: Remove the atomicity from ucount->count
2017-03-06 15:26:37 -06:00
uid16.c
sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h>
2017-03-02 08:42:31 +01:00
up.c
smp: Add function to execute a function synchronously on a CPU
2016-09-05 13:52:39 +02:00
user_namespace.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h>
2017-03-02 08:42:29 +01:00
user-return-notifier.c
…
user.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/user.h>
2017-03-02 08:42:29 +01:00
utsname_sysctl.c
sched/headers: Remove <linux/rwsem.h> from <linux/sched.h>
2017-03-03 01:45:36 +01:00
utsname.c
sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h>
2017-03-02 08:42:38 +01:00
watchdog_hld.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h>
2017-03-02 08:42:34 +01:00
watchdog.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h>
2017-03-02 08:42:34 +01:00
workqueue_internal.h
sched/core: Get rid of 'cpu' argument in wq_worker_sleeping()
2016-03-02 10:28:47 -05:00
workqueue.c
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2017-05-01 19:12:53 -07:00