WSL2-Linux-Kernel

The source for the Linux kernel used in Windows Subsystem for Linux 2 (WSL2)

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Scott Mayhew 268b2cc325 nfs: don't wait on commit in nfs_commit_inode() if there were no commit requests commit `dc4fd9ab01` upstream. If there were no commit requests, then nfs_commit_inode() should not wait on the commit or mark the inode dirty, otherwise the following BUG_ON can be triggered: [ 1917.130762] kernel BUG at fs/inode.c:578! [ 1917.130766] Oops: Exception in kernel mode, sig: 5 [#1] [ 1917.130768] SMP NR_CPUS=2048 NUMA pSeries [ 1917.130772] Modules linked in: iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi blocklayoutdriver rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache sunrpc sg nx_crypto pseries_rng ip_tables xfs libcrc32c sd_mod crc_t10dif crct10dif_generic crct10dif_common ibmvscsi scsi_transport_srp ibmveth scsi_tgt dm_mirror dm_region_hash dm_log dm_mod [ 1917.130805] CPU: 2 PID: 14923 Comm: umount.nfs4 Tainted: G ------------ T 3.10.0-768.el7.ppc64 #1 [ 1917.130810] task: c0000005ecd88040 ti: c00000004cea0000 task.ti: c00000004cea0000 [ 1917.130813] NIP: c000000000354178 LR: c000000000354160 CTR: c00000000012db80 [ 1917.130816] REGS: c00000004cea3720 TRAP: 0700 Tainted: G ------------ T (3.10.0-768.el7.ppc64) [ 1917.130820] MSR: 8000000100029032 <SF,EE,ME,IR,DR,RI> CR: 22002822 XER: 20000000 [ 1917.130828] CFAR: c00000000011f594 SOFTE: 1 GPR00: c000000000354160 c00000004cea39a0 c0000000014c4700 c0000000018cc750 GPR04: 000000000000c750 80c0000000000000 0600000000000000 04eeb76bea749a03 GPR08: 0000000000000034 c0000000018cc758 0000000000000001 d000000005e619e8 GPR12: c00000000012db80 c000000007b31200 0000000000000000 0000000000000000 GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 GPR24: 0000000000000000 c000000000dfc3ec 0000000000000000 c0000005eefc02c0 GPR28: d0000000079dbd50 c0000005b94a02c0 c0000005b94a0250 c0000005b94a01c8 [ 1917.130867] NIP [c000000000354178] .evict+0x1c8/0x350 [ 1917.130871] LR [c000000000354160] .evict+0x1b0/0x350 [ 1917.130873] Call Trace: [ 1917.130876] [c00000004cea39a0] [c000000000354160] .evict+0x1b0/0x350 (unreliable) [ 1917.130880] [c00000004cea3a30] [c0000000003558cc] .evict_inodes+0x13c/0x270 [ 1917.130884] [c00000004cea3af0] [c000000000327d20] .kill_anon_super+0x70/0x1e0 [ 1917.130896] [c00000004cea3b80] [d000000005e43e30] .nfs_kill_super+0x20/0x60 [nfs] [ 1917.130900] [c00000004cea3c00] [c000000000328a20] .deactivate_locked_super+0xa0/0x1b0 [ 1917.130903] [c00000004cea3c80] [c00000000035ba54] .cleanup_mnt+0xd4/0x180 [ 1917.130907] [c00000004cea3d10] [c000000000119034] .task_work_run+0x114/0x150 [ 1917.130912] [c00000004cea3db0] [c00000000001ba6c] .do_notify_resume+0xcc/0x100 [ 1917.130916] [c00000004cea3e30] [c00000000000a7b0] .ret_from_except_lite+0x5c/0x60 [ 1917.130919] Instruction dump: [ 1917.130921] 7fc3f378 486734b5 60000000 387f00a0 38800003 4bdcb365 60000000 e95f00a0 [ 1917.130927] 694a0060 7d4a0074 794ad182 694a0001 <0b0a0000> 892d02a4 2f890000 40de0134 Signed-off-by: Scott Mayhew <smayhew@redhat.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2017-12-20 10:10:20 +01:00
Documentation	dt-bindings: usb: fix reg-property port-number range	2017-12-14 09:53:09 +01:00
arch	kernel: make groups_sort calling a responsibility group_info allocators	2017-12-20 10:10:18 +01:00
block	blk-mq: Avoid that request queue removal can trigger list corruption	2017-12-17 15:08:00 +01:00
certs	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
crypto	crypto: af_alg - fix NULL pointer dereference in	2017-12-20 10:10:17 +01:00
drivers	IB/core: Don't enforce PKey security on SMI MADs	2017-12-20 10:10:20 +01:00
firmware	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
fs	nfs: don't wait on commit in nfs_commit_inode() if there were no commit requests	2017-12-20 10:10:20 +01:00
include	mm, oom_reaper: fix memory corruption	2017-12-20 10:10:18 +01:00
init	License cleanup: add SPDX license identifiers to some files	2017-11-02 10:04:46 -07:00
ipc	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
kernel	tracing: Allocate mask_str buffer dynamically	2017-12-20 10:10:18 +01:00
lib	dynamic-debug-howto: fix optional/omitted ending line number to be LARGE instead of 0	2017-12-14 09:53:08 +01:00
mm	mm, oom_reaper: fix memory corruption	2017-12-20 10:10:18 +01:00
net	kernel: make groups_sort calling a responsibility group_info allocators	2017-12-20 10:10:18 +01:00
samples	License cleanup: add SPDX license identifiers to some files	2017-11-02 10:04:46 -07:00
scripts	kbuild: rpm-pkg: fix jobserver unavailable warning	2017-12-14 09:53:13 +01:00
security	apparmor: fix leak of null profile name if profile allocation fails	2017-12-14 09:53:06 +01:00
sound	ALSA: usb-audio: Add check return value for usb_string()	2017-12-14 09:52:55 +01:00
tools	usbip: prevent vhci_hcd driver from leaking a socket pointer address	2017-12-20 10:10:19 +01:00
usr	initramfs: fix initramfs rebuilds w/ compression after disabling	2017-11-03 07:39:19 -07:00
virt	KVM: arm/arm64: vgic-its: Preserve the revious read from the pending table	2017-12-17 15:07:59 +01:00
.cocciconfig	scripts: add Linux .cocciconfig for coccinelle	2016-07-22 12:13:39 +02:00
.get_maintainer.ignore	Add hch to .get_maintainer.ignore	2015-08-21 14:30:10 -07:00
.gitattributes	.gitattributes: set git diff driver for C source code files	2016-10-07 18:46:30 -07:00
.gitignore	kbuild: Add support to generate LLVM assembly files	2017-04-25 08:13:52 +09:00
.mailmap	.mailmap: Add Maciej W. Rozycki's Imagination e-mail address	2017-11-10 12:16:15 -08:00
COPYING	…
CREDITS	MAINTAINERS: update TPM driver infrastructure changes	2017-11-09 17:58:40 -08:00
Kbuild	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
Kconfig	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
MAINTAINERS	Merge branch 'akpm' (patches from Andrew)	2017-11-09 18:26:51 -08:00
Makefile	Linux 4.14.7	2017-12-17 15:08:14 +01:00
README	README: add a new README file, pointing to the Documentation/	2016-10-24 08:12:35 -02:00

README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.