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Message-ID: <CAEEQ3wmL90oOZcmpv8G34u7kg44zGscpHJiiRHLi=_LAm=C1jg@mail.gmail.com>
Date: Fri, 1 Sep 2023 15:16:50 +0800
From: yunhui cui <cuiyunhui@...edance.com>
To: Björn Töpel <bjorn@...nel.org>
Cc: paul.walmsley@...ive.com, palmer@...belt.com,
aou@...s.berkeley.edu, guoren@...nel.org, bjorn@...osinc.com,
conor.dooley@...rochip.com, jszhang@...nel.org,
andy.chiu@...ive.com, dave.hansen@...ux.intel.com,
elver@...gle.com, glider@...gle.com, cyphar@...har.com,
kirill.shutemov@...ux.intel.com, keescook@...omium.org,
linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [External] Re: [PATCH v4] riscv: add userland instruction dump to
RISC-V splats
Hi Björn,
On Fri, Aug 18, 2023 at 9:33 PM Björn Töpel <bjorn@...nel.org> wrote:
>
> Yunhui Cui <cuiyunhui@...edance.com> writes:
>
> > 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@...edance.com>
>
> Nice!
>
> Reviewed-by: Björn Töpel <bjorn@...osinc.com>
When can this patch be applied to the linux-next branch?
Thanks,
Yunhui
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