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db51b6bdae
freebsd-skq/sys
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bdrewery db51b6bdae nanosleep(2): Fix bogus incrementing of rmtp by tc_tick_sbt on [EINTR]. 
sbt is the time in the future that the tsleep_sbt() is expected to be completed
at.  sbtt is the current time.  Depending on the precision with sysctl
kern.timecounter.alloweddeviation the start time may be incremented by
tc_tick_sbt.  The same increment is needed for the current time of sbtt before
calculating the difference.  The impact of missing this increment is that rmtp
may increase by one tc_tick_sbt on every early [EINTR] return.  If the same
struct is passed in for rqtp as rmtp this can result in rqtp effectively
incrementing by tc_tick_sbt and sleeping longer than originally intended.

This problem was introduced in r247797.

Reviewed by:	kib, markj, vangyzen (all on an older version of the test)
MFC after:	2 weeks
Sponsored by:	Dell EMC
Differential Revision:	https://reviews.freebsd.org/D14362
2018-02-14 18:43:50 +00:00
..
amd64 amd64/pmap: Move Foundation copyright to the 2-clause section 2018-02-13 19:19:26 +00:00
arm Make v_wire_count a per-cpu counter(9) counter. This eliminates a 2018-02-12 22:53:00 +00:00
arm64 Make v_wire_count a per-cpu counter(9) counter. This eliminates a 2018-02-12 22:53:00 +00:00
bsm sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
cam Fix cut and pasted comments to reflect differences in code from the 2018-02-07 18:33:46 +00:00
cddl Implement .vop_pathconf and .vop_getacl for the .zfs ctldir 2018-02-14 15:49:31 +00:00
compat linuxkpi: Do not leak pages on put. 2018-02-13 15:44:35 +00:00
conf Add support for zstd-compressed user and kernel core dumps. 2018-02-13 19:28:02 +00:00
contrib Move zstd malloc()/free()/calloc() macros to stdlib.h. 2018-02-13 19:18:00 +00:00
crypto ccp(4): Store IV in output buffer in GCM software fallback when requested 2018-01-27 07:41:31 +00:00
ddb Implement 'domainset', a cpuset based NUMA policy mechanism. This allows 2018-01-12 22:48:23 +00:00
dev bwn(4): Conditionalize "RX decryption attempted" message on a new 2018-02-13 20:07:40 +00:00
dts Add a skeleton Clock Manager for RPi2/3, and use that from pwm 2018-01-22 07:10:30 +00:00
fs {ext2|ufs}_readdir: Avoid setting negative ncookies. 2018-02-06 22:38:19 +00:00
gdb sys/gdb: further adoption of SPDX licensing ID tags. 2017-11-27 15:16:59 +00:00
geom Fix a panic introduced in r329225 2018-02-14 15:12:09 +00:00
gnu bwn(4): txpid2g/txpid5g[lh] are not defined after sromrev 7; the default 2018-02-13 17:43:54 +00:00
i386 Import the mthca kernel side infiniband driver from Linux 4.9 and fix 2018-02-13 17:04:34 +00:00
isa Add ISA PNP tables to ISA drivers. Fix a few incidental comments. 2018-01-29 00:22:30 +00:00
kern nanosleep(2): Fix bogus incrementing of rmtp by tc_tick_sbt on [EINTR]. 2018-02-14 18:43:50 +00:00
kgssapi kgssapi: Remove trivial deadcode 2018-02-14 00:12:03 +00:00
libkern libkern: use nul for terminating char rather than 0 2018-02-13 19:17:48 +00:00
mips Make v_wire_count a per-cpu counter(9) counter. This eliminates a 2018-02-12 22:53:00 +00:00
modules Import the mthca kernel side infiniband driver from Linux 4.9 and fix 2018-02-13 17:04:34 +00:00
net BPF: Switch to 32 bit compatible mode only when thread is 32 bit 2018-01-25 12:13:41 +00:00
net80211 net80211: sanitize input for ieee80211_output() 2017-12-30 00:40:34 +00:00
netgraph Revert r327828, r327949, r327953, r328016-r328026, r328041: 2018-01-21 15:42:36 +00:00
netinet Reinitialize IP header length after checksum calculation. It is used 2018-02-10 10:13:17 +00:00
netinet6 Update the MTU in affected routes when IPv6 RA changes the MTU 2018-02-12 19:49:20 +00:00
netipsec Adopt revision 1.76 and 1.77 from NetBSD: 2018-01-24 19:48:25 +00:00
netpfil Remove duplicate #include <netinet/ip_var.h>. 2018-02-07 19:12:05 +00:00
netsmb Unsign some values related to allocation. 2018-01-22 02:08:10 +00:00
nfs Modernize nfssvc(2) registartion. 2018-02-08 20:09:42 +00:00
nfsclient style: Remove remaining deprecated MALLOC/FREE macros 2018-01-25 22:25:13 +00:00
nfsserver sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
nlm Use syscall_helper_register() to register syscalls and initialize though 2018-02-10 01:09:22 +00:00
ofed Import the mthca kernel side infiniband driver from Linux 4.9 and fix 2018-02-13 17:04:34 +00:00
opencrypto Move per-operation data out of the csession structure. 2018-01-26 23:21:50 +00:00
powerpc PPC64: Get the timestap from the proper OF field 2018-02-14 02:51:28 +00:00
riscv Make v_wire_count a per-cpu counter(9) counter. This eliminates a 2018-02-12 22:53:00 +00:00
rpc Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
security Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
sparc64 Make v_wire_count a per-cpu counter(9) counter. This eliminates a 2018-02-12 22:53:00 +00:00
sys Add support for zstd-compressed user and kernel core dumps. 2018-02-13 19:28:02 +00:00
teken sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
tests
tools Avoid using \$. It's an unknown escape sequence. Some awks warn about 2018-01-28 05:13:08 +00:00
ufs The goal of this change is to prevent accidental foot shooting by 2018-02-08 23:06:58 +00:00
vm Cleanup unused page argument for vm_reserv_break(). 2018-02-14 00:34:02 +00:00
x86 Fix build with gas. 2018-02-13 15:30:31 +00:00
xdr sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
xen sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
Makefile Move sys/boot to stand. Fix all references to new location 2017-11-14 23:02:19 +00:00