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b8a03a6341
Add userland instruction dump and rename dump_kernel_instr() to dump_instr(). An example: [ 0.822439] Freeing unused kernel image (initmem) memory: 6916K [ 0.823817] Run /init as init process [ 0.839411] init[1]: unhandled signal 4 code 0x1 at 0x000000000005be18 in bb[10000+5fb000] [ 0.840751] CPU: 0 PID: 1 Comm: init Not tainted 5.14.0-rc4-00049-gbd644290aa72-dirty #187 [ 0.841373] Hardware name: , BIOS [ 0.841743] epc : 000000000005be18 ra : 0000000000079e74 sp : 0000003fffcafda0 [ 0.842271] gp : ffffffff816e9dc8 tp : 0000000000000000 t0 : 0000000000000000 [ 0.842947] t1 : 0000003fffc9fdf0 t2 : 0000000000000000 s0 : 0000000000000000 [ 0.843434] s1 : 0000000000000000 a0 : 0000003fffca0190 a1 : 0000003fffcafe18 [ 0.843891] a2 : 0000000000000000 a3 : 0000000000000000 a4 : 0000000000000000 [ 0.844357] a5 : 0000000000000000 a6 : 0000000000000000 a7 : 0000000000000000 [ 0.844803] s2 : 0000000000000000 s3 : 0000000000000000 s4 : 0000000000000000 [ 0.845253] s5 : 0000000000000000 s6 : 0000000000000000 s7 : 0000000000000000 [ 0.845722] s8 : 0000000000000000 s9 : 0000000000000000 s10: 0000000000000000 [ 0.846180] s11: 0000000000d144e0 t3 : 0000000000000000 t4 : 0000000000000000 [ 0.846616] t5 : 0000000000000000 t6 : 0000000000000000 [ 0.847204] status: 0000000200000020 badaddr: 00000000f0028053 cause: 0000000000000002 [ 0.848219] Code: f06f ff5f 3823 fa11 0113 fb01 2e23 0201 0293 0000 (8053) f002 [ 0.851016] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004 Signed-off-by: Yunhui Cui <cuiyunhui@bytedance.com> Reviewed-by: Björn Töpel <bjorn@rivosinc.com> Link: https://lore.kernel.org/r/20230912021349.28302-1-cuiyunhui@bytedance.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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.