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b888c510f7
If ptp_clock_register() fails or CONFIG_PTP isn't enabled, avoid starting PTP related workqueues. In this way we can fix this: BUG: unable to handle page fault for address: ffffc9000440b6f8 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 100000067 P4D 100000067 PUD 1001e0067 PMD 107dc5067 PTE 0 Oops: 0000 [#1] PREEMPT SMP [...] Workqueue: events igb_ptp_overflow_check RIP: 0010:igb_rd32+0x1f/0x60 [...] Call Trace: igb_ptp_read_82580+0x20/0x50 timecounter_read+0x15/0x60 igb_ptp_overflow_check+0x1a/0x50 process_one_work+0x1cb/0x3c0 worker_thread+0x53/0x3f0 ? rescuer_thread+0x370/0x370 kthread+0x142/0x160 ? kthread_associate_blkcg+0xc0/0xc0 ret_from_fork+0x1f/0x30 Fixes: |
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arch | ||
block | ||
certs | ||
crypto | ||
Documentation | ||
drivers | ||
fs | ||
include | ||
init | ||
io_uring | ||
ipc | ||
kernel | ||
lib | ||
LICENSES | ||
mm | ||
net | ||
rust | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.clang-format | ||
.cocciconfig | ||
.get_maintainer.ignore | ||
.gitattributes | ||
.gitignore | ||
.mailmap | ||
.rustfmt.toml | ||
COPYING | ||
CREDITS | ||
Kbuild | ||
Kconfig | ||
MAINTAINERS | ||
Makefile | ||
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.