Linux kernel for uConsole
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93964fd4ea
There's no need to take the write lock when creating sysfs links. This patch fixes the following BUG: BUG: sleeping function called from invalid context at mm/slab.h:416 in_atomic(): 1, irqs_disabled(): 0, pid: 1, name: swapper/0 CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.13.0-rc2-00110-g0b5477d9dabd #111 Backtrace: [<0000000040217ac8>] show_stack+0x20/0x38 [<00000000406fbbb0>] dump_stack+0xb0/0x128 [<0000000040274090>] ___might_sleep+0x180/0x1b8 [<0000000040274144>] __might_sleep+0x7c/0xe8 [<0000000040373874>] kmem_cache_alloc+0x14c/0x1e0 [<0000000040419514>] __kernfs_new_node+0x84/0x1b8 [<000000004041b09c>] kernfs_new_node+0x3c/0x78 [<000000004041e040>] kernfs_create_link+0x40/0xd8 [<000000004041f320>] sysfs_do_create_link_sd.isra.0+0xb0/0x130 [<000000004041f3d4>] sysfs_create_link+0x34/0x58 [<000000004011b4a4>] pdc_stable_init+0x2c4/0x458 [<0000000040200250>] do_one_initcall+0x70/0x1d8 [<0000000040101644>] kernel_init_freeable+0x27c/0x390 [<000000004020be44>] kernel_init+0x24/0x1c0 Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Reported-by: Meelis Roos <mroos@linux.ee> Signed-off-by: Helge Deller <deller@gmx.de> |
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| fs | ||
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| kernel | ||
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| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| 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.