Daniel Borkmann ceb5607035 bpf, perf: delay release of BPF prog after grace period ... Commit dead9f29dd ("perf: Fix race in BPF program unregister") moved destruction of BPF program from free_event_rcu() callback to __free_event(), which is problematic if used with tail calls: if prog A is attached as trace event directly, but at the same time present in a tail call map used by another trace event program elsewhere, then we need to delay destruction via RCU grace period since it can still be in use by the program doing the tail call (the prog first needs to be dropped from the tail call map, then trace event with prog A attached destroyed, so we get immediate destruction). Fixes: dead9f29dd ("perf: Fix race in BPF program unregister") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Cc: Jann Horn <jann@thejh.net> Signed-off-by: David S. Miller <davem@davemloft.net>		2016-06-29 05:42:55 -04:00
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acpi	Merge branches 'acpica-fixes', 'acpi-video' and 'acpi-processor'	2016-06-03 22:35:05 +02:00
asm-generic	Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2016-05-25 17:11:43 -07:00
clocksource	clocksource: arm_arch_timer: Remove arch_timer_get_timecounter	2016-05-03 12:54:21 +02:00
crypto	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security	2016-05-19 09:21:36 -07:00
drm	Merge tag 'drm-intel-next-fixes-2016-05-25' of git://anongit.freedesktop.org/drm-intel into drm-next	2016-05-27 16:08:38 +10:00
dt-bindings	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux	2016-05-26 09:23:43 -07:00
keys
kvm	KVM: arm/arm64: vgic-new: implement mapped IRQ handling	2016-05-20 15:40:09 +02:00
linux	bpf, perf: delay release of BPF prog after grace period	2016-06-29 05:42:55 -04:00
math-emu
media	[media] media: rc: reduce size of struct ir_raw_event	2016-05-07 10:34:17 -03:00
memory
misc	cxl: Add kernel API to allow a context to operate with relocate disabled	2016-05-11 21:54:10 +10:00
net	act_ife: only acquire tcf_lock for existing actions	2016-06-23 12:02:36 -04:00
pcmcia
ras
rdma	IB/core: Make all casts in ib_device_cap_flags enum consistent	2016-06-07 09:50:55 -04:00
rxrpc
scsi	Merge branch '4.7/scsi-queue' of git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi into for-4.7-zac	2016-05-09 12:34:39 -04:00
soc	ARC updates for 4.7-rc1	2016-05-19 09:46:18 -07:00
sound	ASoC: Updates for v4.7	2016-05-16 14:59:00 +02:00
target	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending	2016-05-28 12:04:17 -07:00
trace	- move kvm_stat tool from QEMU repo into tools/kvm/kvm_stat	2016-05-27 13:41:54 -07:00
uapi	netfilter: xt_SYNPROXY: include missing <linux/types.h>	2016-06-17 13:47:40 +02:00
video	imx-drm probing fix	2016-05-25 12:36:20 +10:00
xen
Kbuild