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5b8a8c6efd
freebsd-skq/sys
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markj 1b330c2f47 Fix object locking in vm_object_unwire() after r352174. 
Now, vm_page_busy_sleep() expects the page's object to be locked.
vm_object_unwire() does some unusual lazy locking of the object chain
and keeps objects locked until a busy page is encountered or the loop
terminates.  When a busy page is encountered, rather than unlocking all
but the "bottom-level" object, we must instead skip the object to which
"tm" belongs.

Reported and tested by:	pho
Reviewed by:	kib
Discussed with:	jeff
Sponsored by:	Intel, Netflix
Differential Revision:	https://reviews.freebsd.org/D21790
2019-09-27 16:41:34 +00:00
..
amd64 amd64 pmap: Clarify largemap bootverbose message units 2019-09-26 01:51:55 +00:00
arm Complete the removal of the "wire_count" field from struct vm_page. 2019-09-25 16:11:35 +00:00
arm64 sysent: regenerate after r352693 2019-09-25 17:30:28 +00:00
bsm
cam Add kern.cam.da.X.quirks tunable, similar existing for ada. 2019-09-26 14:48:39 +00:00
cddl Implement x86 dtrace_invop_(un)init() in C. 2019-09-23 15:08:17 +00:00
compat sysent: regenerate after r352747. 2019-09-26 15:41:10 +00:00
conf Move EPOCH_TRACE to opt_global.h, so that any external modules that 2019-09-26 21:12:47 +00:00
contrib ipf mistakenly regards UDP packets with a checksum of 0xffff as bad. 2019-09-26 03:09:42 +00:00
crypto Stop using des_cblock * for arguments to DES functions. 2019-08-26 17:25:07 +00:00
ddb ddb(4): Add some support for lexing IPv6 addresses 2019-09-09 16:32:23 +00:00
dev nvdimm(4): Extract ACPI root bus driver 2019-09-27 16:32:44 +00:00
dts dtso: allwinner: Add an overlay for H3 thermal node 2019-08-24 13:26:34 +00:00
fs Replace all mtx_assert() calls for n_mtx and ncl_iod_mutex with macros. 2019-09-26 02:54:45 +00:00
gdb gdb(4): Root a sysctl tree at 'debug.gdb.' 2019-09-08 22:52:47 +00:00
geom Add a "count_until_fail" option to gnop, which says to start failing 2019-09-13 23:03:56 +00:00
gnu arm: dts: am33xx: Fix the region for uart0 2019-08-07 13:11:53 +00:00
i386 sysent: regenerate after r352693 2019-09-25 17:30:28 +00:00
isa
kern Check the vfs option length is valid before accessing through 2019-09-27 16:22:28 +00:00
kgssapi Stop using des_cblock * for arguments to DES functions. 2019-08-26 17:25:07 +00:00
libkern Remove zlib 1.0.4 from kernel. 2019-08-25 17:13:00 +00:00
mips Complete the removal of the "wire_count" field from struct vm_page. 2019-09-25 16:11:35 +00:00
modules nvdimm(4): Extract ACPI root bus driver 2019-09-27 16:32:44 +00:00
net style(9): remove extraneous empty lines 2019-09-25 20:46:09 +00:00
net80211 Enhance the comment ieee80211_add_channel() to avoid a 2019-06-10 14:31:18 +00:00
netgraph avoid holding PCB mutex during copyin/copyout() 2019-08-30 16:35:31 +00:00
netinet Add new functionality to switch to using cookies exclusively when we the 2019-09-26 15:18:57 +00:00
netinet6 When processing an incoming IPv6 packet over the loopback interface which 2019-09-19 10:22:29 +00:00
netipsec Fix broken window replay check that will allow old packet to be accepted. 2019-09-06 14:30:23 +00:00
netpfil Drivers may pass runt packets to filter. This is okay. 2019-09-13 22:36:04 +00:00
netsmb Stop using des_cblock * for arguments to DES functions. 2019-08-26 17:25:07 +00:00
nfs
nfsclient
nfsserver
nlm
ofed OFED: Fix accidental double-copy of rdma_sdp.h in r351176 2019-08-18 04:19:41 +00:00
opencrypto Adjust the deprecated warnings for /dev/crypto to be less noisy. 2019-08-27 21:29:37 +00:00
powerpc Complete the removal of the "wire_count" field from struct vm_page. 2019-09-25 16:11:35 +00:00
riscv Fix some broken relocation handling 2019-09-26 00:58:47 +00:00
rpc Avoid relying on header pollution from sys/refcount.h. 2019-07-29 20:26:01 +00:00
security vm_map_simplify_entry considers merging an entry with its two 2019-08-25 07:06:51 +00:00
sparc64 Revert r352406, which contained changes I didn't intend to commit. 2019-09-16 15:04:45 +00:00
sys Move EPOCH_TRACE to opt_global.h, so that any external modules that 2019-09-26 21:12:47 +00:00
teken Adjust teken to allow build as part of loader 2019-09-05 18:07:40 +00:00
tests Regularize the Netflix copyright 2019-02-04 21:28:25 +00:00
tools fw_stub.awk: use @generated tag in generated files 2019-09-11 13:35:22 +00:00
ufs vfs: convert struct mount counters to per-cpu 2019-09-16 21:37:47 +00:00
vm Fix object locking in vm_object_unwire() after r352174. 2019-09-27 16:41:34 +00:00
x86 Complete the removal of the "wire_count" field from struct vm_page. 2019-09-25 16:11:35 +00:00
xdr
xen xen: introduce a new way to setup event channel upcall 2019-01-30 11:34:52 +00:00
Makefile