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Deren Wu 4a44cd2496 mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING vub300_enable_sdio_irq() works with mutex and need TASK_RUNNING here. Ensure that we mark current as TASK_RUNNING for sleepable context. [ 77.554641] do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffff92a72c1d>] sdio_irq_thread+0x17d/0x5b0 [ 77.554652] WARNING: CPU: 2 PID: 1983 at kernel/sched/core.c:9813 __might_sleep+0x116/0x160 [ 77.554905] CPU: 2 PID: 1983 Comm: ksdioirqd/mmc1 Tainted: G OE 6.1.0-rc5 #1 [ 77.554910] Hardware name: Intel(R) Client Systems NUC8i7BEH/NUC8BEB, BIOS BECFL357.86A.0081.2020.0504.1834 05/04/2020 [ 77.554912] RIP: 0010:__might_sleep+0x116/0x160 [ 77.554920] RSP: 0018:ffff888107b7fdb8 EFLAGS: 00010282 [ 77.554923] RAX: 0000000000000000 RBX: ffff888118c1b740 RCX: 0000000000000000 [ 77.554926] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffed1020f6ffa9 [ 77.554928] RBP: ffff888107b7fde0 R08: 0000000000000001 R09: ffffed1043ea60ba [ 77.554930] R10: ffff88821f5305cb R11: ffffed1043ea60b9 R12: ffffffff93aa3a60 [ 77.554932] R13: 000000000000011b R14: 7fffffffffffffff R15: ffffffffc0558660 [ 77.554934] FS: 0000000000000000(0000) GS:ffff88821f500000(0000) knlGS:0000000000000000 [ 77.554937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.554939] CR2: 00007f8a44010d68 CR3: 000000024421a003 CR4: 00000000003706e0 [ 77.554942] Call Trace: [ 77.554944] <TASK> [ 77.554952] mutex_lock+0x78/0xf0 [ 77.554973] vub300_enable_sdio_irq+0x103/0x3c0 [vub300] [ 77.554981] sdio_irq_thread+0x25c/0x5b0 [ 77.555006] kthread+0x2b8/0x370 [ 77.555017] ret_from_fork+0x1f/0x30 [ 77.555023] </TASK> [ 77.555025] ---[ end trace 0000000000000000 ]--- Fixes: `88095e7b47` ("mmc: Add new VUB300 USB-to-SD/SDIO/MMC driver") Signed-off-by: Deren Wu <deren.wu@mediatek.com> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/87dc45b122d26d63c80532976813c9365d7160b3.1670140888.git.deren.wu@mediatek.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>		History 2022-12-07 13:29:14 +01:00
arch	powerpc fixes for 6.1 #6	2022-12-04 12:24:58 -08:00
block	block-6.1-2022-11-25	2022-11-25 17:50:57 -08:00
certs	certs: make system keyring depend on built-in x509 parser	2022-09-24 04:31:18 +09:00
crypto	treewide: use get_random_bytes() when possible	2022-10-11 17:42:58 -06:00
Documentation	dt-bindings: mmc: Remove comment on wakeup-source property	2022-12-07 13:29:14 +01:00
drivers	mmc: vub300: fix warning - do not call blocking ops when !TASK_RUNNING	2022-12-07 13:29:14 +01:00
fs	15 hotfixes. 11 marked cc:stable. Only three or four of the latter	2022-12-02 13:39:38 -08:00
include	mmc: tmio: remove 'alignment_shift' from platform data	2022-12-07 13:22:37 +01:00
init	init/Kconfig: fix CC_HAS_ASM_GOTO_TIED_OUTPUT test with dash	2022-11-22 22:42:38 +09:00
io_uring	io_uring: clear TIF_NOTIFY_SIGNAL if set and task_work not available	2022-11-25 10:55:08 -07:00
ipc	ipc/shm: call underlying open/close vm_ops	2022-11-22 18:50:42 -08:00
kernel	- Fix a use-after-free case where the perf pending task callback would	2022-12-04 12:36:23 -08:00
lib	15 hotfixes. 11 marked cc:stable. Only three or four of the latter	2022-12-02 13:39:38 -08:00
LICENSES	LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers	2021-12-16 14:33:10 +01:00
mm	Revert "mm: align larger anonymous mappings on THP boundaries"	2022-12-04 12:51:59 -08:00
net	Including fixes from bpf, can and wifi.	2022-11-29 09:52:10 -08:00
rust	Kbuild: add Rust support	2022-09-28 09:02:20 +02:00
samples	VFIO updates for v6.1-rc1	2022-10-12 14:46:48 -07:00
scripts	- Handle different output of readelf on different distros running	2022-11-27 12:08:17 -08:00
security	lsm/stable-6.1 PR 20221031	2022-10-31 12:09:42 -07:00
sound	ASoC: Fixes for v6.1	2022-11-30 17:26:55 +01:00
tools	15 hotfixes. 11 marked cc:stable. Only three or four of the latter	2022-12-02 13:39:38 -08:00
usr	usr/gen_init_cpio.c: remove unnecessary -1 values from int file	2022-10-03 14:21:44 -07:00
virt	Merge branch 'kvm-dwmw2-fixes' into HEAD	2022-11-23 18:59:45 -05:00
.clang-format	PCI/DOE: Add DOE mailbox support functions	2022-07-19 15:38:04 -07:00
.cocciconfig	scripts: add Linux .cocciconfig for coccinelle	2016-07-22 12:13:39 +02:00
.get_maintainer.ignore	get_maintainer: add Alan to .get_maintainer.ignore	2022-08-20 15:17:44 -07:00
.gitattributes	.gitattributes: use 'dts' diff driver for dts files	2019-12-04 19:44:11 -08:00
.gitignore	Kbuild: add Rust support	2022-09-28 09:02:20 +02:00
.mailmap	Including fixes from bpf, can and wifi.	2022-11-29 09:52:10 -08:00
.rustfmt.toml	rust: add `.rustfmt.toml`	2022-09-28 09:02:20 +02:00
COPYING	COPYING: state that all contributions really are covered by this file	2020-02-10 13:32:20 -08:00
CREDITS	MAINTAINERS: Remove Michal Marek from Kbuild maintainers	2022-11-16 14:53:00 +09:00
Kbuild	Kbuild updates for v6.1	2022-10-10 12:00:45 -07:00
Kconfig	kbuild: ensure full rebuild when the compiler is updated	2020-05-12 13:28:33 +09:00
MAINTAINERS	MAINTAINERS: Update maintainer for SDHCI Broadcom BRCMSTB driver	2022-12-07 13:29:14 +01:00
Makefile	Linux 6.1-rc8	2022-12-04 14:48:12 -08:00
README	Drop all 00-INDEX files from Documentation/	2018-09-09 15:08:58 -06:00

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.

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.