David Miller 099bfaa731 bpf/stackmap: Dont trylock mmap_sem with PREEMPT_RT and interrupts disabled ... In a RT kernel down_read_trylock() cannot be used from NMI context and up_read_non_owner() is another problematic issue. So in such a configuration, simply elide the annotated stackmap and just report the raw IPs. In the longer term, it might be possible to provide a atomic friendly versions of the page cache traversal which will at least provide the info if the pages are resident and don't need to be paged in. [ tglx: Use IS_ENABLED() to avoid the #ifdeffery, fixup the irq work callback and add a comment ] Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200224145644.708960317@linutronix.de		2020-02-24 16:20:10 -08:00
..
arraymap.c	bpf: Add lookup and update batch ops to arraymap	2020-01-15 14:00:35 -08:00
bpf_lru_list.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206	2019-05-30 11:29:53 -07:00
bpf_lru_list.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206	2019-05-30 11:29:53 -07:00
bpf_struct_ops_types.h	bpf: tcp: Support tcp_congestion_ops in bpf	2020-01-09 08:46:18 -08:00
bpf_struct_ops.c	bpf: Reuse log from btf_prase_vmlinux() in btf_struct_ops_init()	2020-01-29 16:40:54 +01:00
btf.c	bpf: Make btf_check_func_type_match() static	2020-02-11 00:22:47 +01:00
cgroup.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2020-01-09 12:13:43 -08:00
core.c	bpf: Add BPF_FUNC_jiffies64	2020-01-22 16:30:10 -08:00
cpumap.c	xdp: Make cpumap flush_list common for all map instances	2019-12-19 21:09:43 -08:00
devmap.c	bpf, xdp: Remove no longer required rcu_read_{un}lock()	2020-01-27 11:16:25 +01:00
disasm.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295	2019-06-05 17:36:38 +02:00
disasm.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295	2019-06-05 17:36:38 +02:00
dispatcher.c	bpf: Allow to resolve bpf trampoline and dispatcher in unwind	2020-01-25 07:12:40 -08:00
hashtab.c	bpf: Prepare hashtab locking for PREEMPT_RT	2020-02-24 16:20:10 -08:00
helpers.c	bpf: Add BPF_FUNC_jiffies64	2020-01-22 16:30:10 -08:00
inode.c	Merge branch 'merge.nfs-fs_parse.1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2020-02-08 13:26:41 -08:00
local_storage.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2019-12-22 09:54:33 -08:00
lpm_trie.c	bpf, lpm: Make locking RT friendly	2020-02-24 16:20:10 -08:00
Makefile	bpf: Introduce BPF_PROG_TYPE_STRUCT_OPS	2020-01-09 08:46:18 -08:00
map_in_map.c	bpf: Introduce BPF_MAP_TYPE_STRUCT_OPS	2020-01-09 08:46:18 -08:00
map_in_map.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206	2019-05-30 11:29:53 -07:00
offload.c	bpf, offload: Replace bitwise AND by logical AND in bpf_prog_offload_info_fill	2020-02-17 16:53:49 +01:00
percpu_freelist.c	bpf: Dont iterate over possible CPUs with interrupts disabled	2020-02-24 16:18:20 -08:00
percpu_freelist.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206	2019-05-30 11:29:53 -07:00
queue_stack_maps.c	bpf: move memory size checks to bpf_map_charge_init()	2019-05-31 16:52:56 -07:00
reuseport_array.c	net: Generate reuseport group ID on group creation	2020-02-21 22:29:45 +01:00
stackmap.c	bpf/stackmap: Dont trylock mmap_sem with PREEMPT_RT and interrupts disabled	2020-02-24 16:20:10 -08:00
syscall.c	bpf: Replace open coded recursion prevention in sys_bpf()	2020-02-24 16:20:10 -08:00
sysfs_btf.c	btf: fix return value check in btf_vmlinux_init()	2019-08-15 22:18:17 -07:00
tnum.c	bpf: Fix incorrect verifier simulation of ARSH under ALU32	2020-01-15 13:39:59 -08:00
trampoline.c	bpf: Use migrate_disable/enabe() in trampoline code.	2020-02-24 16:20:09 -08:00
verifier.c	bpf: Enforce preallocation for instrumentation programs on RT	2020-02-24 16:12:19 -08:00
xskmap.c	xsk: Make xskmap flush_list common for all map instances	2019-12-19 21:09:43 -08:00