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Filename Latest commit message Latest commit date
Andreas Kemnade a007734618 w1: omap-hdq: fix missing bus unregister at removal
The bus master was not removed after unloading the module
or unbinding the driver. That lead to oopses like this

[  127.842987] Unable to handle kernel paging request at virtual address bf01d04c
[  127.850646] pgd = 70e3cd9a
[  127.853698] [bf01d04c] *pgd=8f908811, *pte=00000000, *ppte=00000000
[  127.860412] Internal error: Oops: 80000007 [#1] PREEMPT SMP ARM
[  127.866668] Modules linked in: bq27xxx_battery overlay [last unloaded: omap_hdq]
[  127.874542] CPU: 0 PID: 1022 Comm: w1_bus_master1 Not tainted 4.19.0-rc4-00001-g2d51da718324 #12
[  127.883819] Hardware name: Generic OMAP36xx (Flattened Device Tree)
[  127.890441] PC is at 0xbf01d04c
[  127.893798] LR is at w1_search_process_cb+0x4c/0xfc
[  127.898956] pc : [<bf01d04c>]    lr : [<c05f9580>]    psr: a0070013
[  127.905609] sp : cf885f48  ip : bf01d04c  fp : ddf1e11c
[  127.911132] r10: cf8fe040  r9 : c05f8d00  r8 : cf8fe040
[  127.916656] r7 : 000000f0  r6 : cf8fe02c  r5 : cf8fe000  r4 : cf8fe01c
[  127.923553] r3 : c05f8d00  r2 : 000000f0  r1 : cf8fe000  r0 : dde1ef10
[  127.930450] Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
[  127.938018] Control: 10c5387d  Table: 8f8f0019  DAC: 00000051
[  127.944091] Process w1_bus_master1 (pid: 1022, stack limit = 0x9135699f)
[  127.951171] Stack: (0xcf885f48 to 0xcf886000)
[  127.955810] 5f40:                   cf8fe000 00000000 cf884000 cf8fe090 000003e8 c05f8d00
[  127.964477] 5f60: dde5fc34 c05f9700 ddf1e100 ddf1e540 cf884000 cf8fe000 c05f9694 00000000
[  127.973114] 5f80: dde5fc34 c01499a4 00000000 ddf1e540 c0149874 00000000 00000000 00000000
[  127.981781] 5fa0: 00000000 00000000 00000000 c01010e8 00000000 00000000 00000000 00000000
[  127.990447] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  127.999114] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[  128.007781] [<c05f9580>] (w1_search_process_cb) from [<c05f9700>] (w1_process+0x6c/0x118)
[  128.016479] [<c05f9700>] (w1_process) from [<c01499a4>] (kthread+0x130/0x148)
[  128.024047] [<c01499a4>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[  128.031677] Exception stack(0xcf885fb0 to 0xcf885ff8)
[  128.037017] 5fa0:                                     00000000 00000000 00000000 00000000
[  128.045684] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  128.054351] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[  128.061340] Code: bad PC value
[  128.064697] ---[ end trace af066e33c0e14119 ]---

Cc: <stable@vger.kernel.org>
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-10-02 15:36:10 -07:00
arch Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-09-29 14:34:06 -07:00
block blk-mq: I/O and timer unplugs are inverted in blktrace 2018-09-27 13:12:44 -06:00
certs
crypto
Documentation soundwire updates for 4.20-rc1 2018-10-02 09:38:04 -07:00
drivers w1: omap-hdq: fix missing bus unregister at removal 2018-10-02 15:36:10 -07:00
firmware
fs filesystem-dax for 4.19-rc6 2018-09-30 06:19:38 -07:00
include soundwire updates for 4.20-rc1 2018-10-02 09:38:04 -07:00
init Kbuild updates for v4.19 (2nd) 2018-08-25 13:40:38 -07:00
ipc ipc/shm: properly return EIDRM in shm_lock() 2018-09-04 16:45:02 -07:00
kernel Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-09-29 11:32:03 -07:00
lib lib/Kconfig.debug: fix three typos in help text 2018-09-04 16:45:02 -07:00
LICENSES
mm mm: slowly shrink slabs with a relatively small number of objects 2018-09-20 22:01:11 +02:00
net ip_tunnel: be careful when accessing the inner header 2018-09-24 12:27:04 -07:00
samples
scripts linux-kselftest-4.19-rc5 2018-09-17 07:24:28 +02:00
security Revert "uapi/linux/keyctl.h: don't use C++ reserved keyword as a struct member name" 2018-09-25 13:28:58 +02:00
sound ASoC: Fixes for v4.19 2018-09-17 18:59:21 +02:00
tools powerpc fixes for 4.19 #3 2018-09-28 17:43:32 -07:00
usr
virt KVM: Remove obsolete kvm_unmap_hva notifier backend 2018-09-07 15:06:02 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap libnvdimm-for-4.19_misc 2018-08-25 18:13:10 -07:00
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS soundwire updates for 4.20-rc1 2018-10-02 09:38:04 -07:00
Makefile Linux 4.19-rc6 2018-09-30 07:15:35 -07:00
README

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

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.