Alexander V. Chernikov 600eade2fb Add ifa_try_ref() to simplify ifa handling inside epoch. ... More and more code migrates from lock-based protection to the NET_EPOCH umbrella. It requires some logic changes, including, notably, refcount handling. When we have an `ifa` pointer and we're running inside epoch we're guaranteed that this pointer will not be freed. However, the following case can still happen: * in thread 1 we drop to 0 refcount for ifa and schedule its deletion. * in thread 2 we use this ifa and reference it * destroy callout kicks in * unhappy user reports bug To address it, new `ifa_try_ref()` function is added, allowing to return failure when we try to reference `ifa` with 0 refcount. Additionally, existing `ifa_ref()` is enforced with `KASSERT` to provide cleaner error in such scenarious. Reviewed By: rstone, donner Differential Revision: https://reviews.freebsd.org/D28639 MFC after: 1 week		2021-02-16 20:14:50 +00:00
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amd64	linux: Unmap the VDSO page when unloading	2021-02-16 09:40:02 -05:00
arm	arm32: Align arguments of sync_icache() syscall to cacheline size.	2021-02-09 12:53:09 +01:00
arm64	linux: Unmap the VDSO page when unloading	2021-02-16 09:40:02 -05:00
bsm	Add aio_writev and aio_readv	2021-01-02 19:57:58 -07:00
cam	cam: Properly find the sim in the assertion in xpt_pollwait().	2021-02-11 14:06:58 -08:00
cddl	arm64: Improve DDB backtrace support	2021-02-01 14:15:57 +00:00
compat	linux: Unmap the VDSO page when unloading	2021-02-16 09:40:02 -05:00
conf	xen/efi: introduce a PV interface for EFI run time services for dom0	2021-02-16 15:26:12 +01:00
contrib	zfs: change file mode of all merged tests	2021-02-16 12:23:43 +01:00
crypto	armv8crypto: Extract GCM state into a structure	2021-02-08 09:19:10 -05:00
ddb	ddb: add ability to print user registers	2021-01-08 14:53:06 -04:00
dev	xen/efi: introduce a PV interface for EFI run time services for dom0	2021-02-16 15:26:12 +01:00
dts	Remove DTS files for arm boards we don't support	2021-01-27 10:02:01 +00:00
fs	Enforce net epoch in in6_selectsrc().	2021-02-15 22:33:12 +00:00
gdb	gdb(4): allow bulk write of registers	2020-12-23 14:37:05 -04:00
geom	opencrypto: Introduce crypto_dispatch_async()	2021-02-08 09:19:19 -05:00
gnu	Remove the old dts imported tree.	2021-01-15 20:09:55 +01:00
i386	xen/boot: allow specifying boot method when booted from Xen	2021-02-16 15:26:11 +01:00
isa
kern	jail: Handle a possible race between jail_remove(2) and fork(2)	2021-02-16 11:19:13 -08:00
kgssapi	opencrypto: Introduce crypto_dispatch_async()	2021-02-08 09:19:19 -05:00
libkern	Restore the augmented strlen commentary	2021-02-08 19:15:21 +00:00
mips	mips: fix NLM platforms breakage caused by e0a0a3ef	2021-01-31 23:56:22 -08:00
modules	zfs: merge OpenZFS master-436ab35a5	2021-02-16 02:46:28 +01:00
net	Add ifa_try_ref() to simplify ifa handling inside epoch.	2021-02-16 20:14:50 +00:00
net80211	net80211: fix a typo	2020-11-04 12:07:33 +00:00
netgraph	netgraph/ng_bridge: Add counters for the first link, too	2021-02-10 19:05:37 +01:00
netinet	Make in_localip_more() fib-aware.	2021-02-16 20:00:46 +00:00
netinet6	Remove per-packet ifa refcounting from IPv6 fast path.	2021-02-15 22:33:12 +00:00
netipsec	Revert "SO_RERROR indicates that receive buffer overflows should be handled as errors."	2021-02-08 22:32:32 +00:00
netpfil	pf: Slightly relax pf_rule_addr validation	2021-02-14 12:07:31 +01:00
netsmb
nfs
nfsclient
nfsserver	nfs: Mark unused statistics variable as reserved	2020-11-18 04:35:49 +00:00
nlm
ofed	Fix mismerge in OFED update	2021-02-04 13:58:24 -05:00
opencrypto	ktls: Avoid wakeups and locking for synchronous callbacks	2021-02-08 09:19:27 -05:00
powerpc	powerpc64: Fix boot on virtual-mode OF (PowerMac G5)	2021-02-07 16:13:55 -06:00
riscv	riscv: add SBI system reset extension	2021-01-27 19:19:54 -04:00
rpc	nfs-over-tls: handle res.gid.gid_val correctly for memory allocation	2021-01-12 13:59:52 -08:00
security	Convert remaining cap_rights_init users to cap_rights_init_one	2021-01-12 13:16:10 +00:00
sys	jail: Handle a possible race between jail_remove(2) and fork(2)	2021-02-16 11:19:13 -08:00
teken	loader: implement framebuffer console	2021-01-02 21:41:36 +02:00
tests	Enable running fib tests inside vnet jail.	2021-01-17 20:32:26 +00:00
tools	syscalls.master: Add a new syscall type: RESERVED	2021-01-26 18:27:44 +00:00
ufs	UFS snapshots: properly set the vm object size.	2021-02-16 07:11:52 +02:00
vm	vm: Honour the "noreuse" flag to vm_page_unwire_managed()	2021-02-10 11:10:27 -05:00
x86	xen/boot: allow specifying boot method when booted from Xen	2021-02-16 15:26:11 +01:00
xdr
xen	xen: remove .swp file from public headers	2021-01-11 18:14:11 +01:00
Makefile