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199cc14cb4
The arch-specified function ftrace_regs_set_instruction_pointer() has been implemented in arch/loongarch/include/asm/ftrace.h, so here only implement arch_stack_walk_reliable() function. Here are the test logs: [root@linux fedora]# cat /proc/cmdline BOOT_IMAGE=/vmlinuz-6.8.0-rc2 root=/dev/sda3 [root@linux fedora]# modprobe livepatch-sample [root@linux fedora]# cat /proc/cmdline this has been live patched [root@linux fedora]# echo 0 > /sys/kernel/livepatch/livepatch_sample/enabled [root@linux fedora]# rmmod livepatch_sample [root@linux fedora]# cat /proc/cmdline BOOT_IMAGE=/vmlinuz-6.8.0-rc2 root=/dev/sda3 [root@linux fedora]# dmesg -t | tail -5 livepatch: enabling patch 'livepatch_sample' livepatch: 'livepatch_sample': starting patching transition livepatch: 'livepatch_sample': patching complete livepatch: 'livepatch_sample': starting unpatching transition livepatch: 'livepatch_sample': unpatching complete Signed-off-by: Jinyang He <hejinyang@loongson.cn> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> |
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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 | ||
.editorconfig | ||
.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.