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5201e0f110
freebsd-dev/sys
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Stephen Hurd 5201e0f110 Drain grouptaskqueue of the gtask before detaching it. 
taskqgroup_detach() would remove the task even if it was running or
enqueued, which could lead to panics (see D17404). With this change,
taskqgroup_detach() drains the task and sets a new flag which prevents the
task from being scheduled again.

I've added grouptask_block() and grouptask_unblock() to allow control
over the flag from other locations as well.

Reviewed by:	Jeffrey Pieper <jeffrey.e.pieper@intel.com>
MFC after:	1 week
Sponsored by:	Limelight Networks
Differential Revision:	https://reviews.freebsd.org/D17674
2018-10-29 14:36:03 +00:00
..
amd64 Provide basic descriptions for VMX exit reason (from "Intel 64 and IA-32 2018-10-27 21:24:28 +00:00
arm Consolidate identical ELF auxargs type defintions. 2018-10-22 22:24:32 +00:00
arm64 Consolidate identical ELF auxargs type defintions. 2018-10-22 22:24:32 +00:00
bsm
cam Add statistics for TRIM comands 2018-10-26 16:23:51 +00:00
cddl Implement O_BENEATH and AT_BENEATH. 2018-10-25 22:16:34 +00:00
compat Move 32-bit compat support for FIODGNAME to the right place. 2018-10-26 17:59:25 +00:00
conf Redo r339563: Remove joy(4) driver. 2018-10-26 16:03:30 +00:00
contrib Update to Zstandard 1.3.7 2018-10-22 18:29:12 +00:00
crypto rijndael (AES): Avoid leaking sensitive data on kernel stack 2018-10-26 20:53:01 +00:00
ddb ddb: Enable 'thread <address>' 2018-10-20 20:45:49 +00:00
dev evdev: disable evdev if it is invoked from KDB or panic context 2018-10-27 21:04:34 +00:00
dts Revert r339421 due to unintended files included to commit. 2018-10-18 15:17:58 +00:00
fs Move 32-bit compat support for FIODGNAME to the right place. 2018-10-26 17:59:25 +00:00
gdb
geom Extend stripeoffset and stripesize of GEOMs from u_int to off_t 2018-10-27 16:14:42 +00:00
gnu dts: Import DTS for arm64 2018-08-23 13:21:01 +00:00
i386 Remove the ncr(4) drive. 2018-10-22 02:36:18 +00:00
isa Reapply, with minor tweaks, r338025, from the original commit: 2018-09-26 17:12:14 +00:00
kern Drain grouptaskqueue of the gtask before detaching it. 2018-10-29 14:36:03 +00:00
kgssapi OpenCrypto: Convert sessions to opaque handles instead of integers 2018-07-18 00:56:25 +00:00
libkern mcount: tidy up ANSIfication 2018-10-20 22:39:35 +00:00
mips Consolidate identical ELF auxargs type defintions. 2018-10-22 22:24:32 +00:00
modules Redo r339563: Remove joy(4) driver. 2018-10-26 16:03:30 +00:00
net Prevent stf(4) from panicing due to unprotected access to INADDR_HASH. 2018-10-27 04:45:28 +00:00
net80211 Fix misspellings of transmitter/transmitted 2018-08-10 20:37:32 +00:00
netgraph Remove the Yarrow PRNG algorithm option in accordance with due notice 2018-08-26 12:51:46 +00:00
netinet Prevent ip_input() from panicing due to unprotected access to INADDR_HASH. 2018-10-27 04:59:35 +00:00
netinet6 rip6_input() inp validation after epoch(9) 2018-10-24 10:42:35 +00:00
netipsec Add sadb_x_sa2 extension to SADB_ACQUIRE requests. 2018-10-21 14:19:16 +00:00
netpfil pf: Make ':0' ignore link-local v6 addresses too 2018-10-28 05:32:50 +00:00
netsmb Make timespecadd(3) and friends public 2018-07-30 15:46:40 +00:00
nfs Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
nfsclient
nfsserver
nlm
ofed Introduce and use sgid_index in CM requests in ibcore. 2018-09-09 07:20:15 +00:00
opencrypto Add sha224 to the authctx union. 2018-10-23 18:07:37 +00:00
powerpc Consolidate identical ELF auxargs type defintions. 2018-10-22 22:24:32 +00:00
riscv o Add pmap lock around pmap_fault_fixup() to ensure other thread will not 2018-10-26 12:27:07 +00:00
rpc Set SO_SNDTIMEO in the client side krpc when CLSET_TIMEOUT is done. 2018-07-20 12:03:16 +00:00
security Rework the logic around quick checks for auditing that take place at 2018-10-02 15:58:17 +00:00
sparc64 Consolidate identical ELF auxargs type defintions. 2018-10-22 22:24:32 +00:00
sys Drain grouptaskqueue of the gtask before detaching it. 2018-10-29 14:36:03 +00:00
teken Implement ECMA-48 "REP", some Linuxen have started emitting them recently. 2018-10-21 08:29:36 +00:00
tests epoch_test: fix compile 2018-07-15 00:31:17 +00:00
tools Only call sigdeferstop() for NFS. 2018-10-23 21:43:41 +00:00
ufs Implement O_BENEATH and AT_BENEATH. 2018-10-25 22:16:34 +00:00
vm Eliminate typically pointless calls to vm_fault_prefault() on soft, copy- 2018-10-27 17:49:46 +00:00
x86 Consolidate identical ELF auxargs type defintions. 2018-10-22 22:24:32 +00:00
xdr
xen xen: legacy PVH fixes for the new interrupt count 2018-09-13 07:14:11 +00:00
Makefile