[PATCH v3] riscv: fix kprobe __user string arg print fault issue

[patchwork-bot+linux-riscv at kernel.org]

Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer at rivosinc.com>:

On Thu, 4 May 2023 15:29:10 +0800 you wrote:
> On riscv qemu platform, when add kprobe event on do_sys_open() to show
> filename string arg, it just print fault as follow:
> 
> echo 'p:myprobe do_sys_open dfd=$arg1 filename=+0($arg2):string flags=$arg3
> mode=$arg4' > kprobe_events
> 
> bash-166     [000] ...1.   360.195367: myprobe: (do_sys_open+0x0/0x84)
> dfd=0xffffffffffffff9c filename=(fault) flags=0x8241 mode=0x1b6
> 
> [...]

Here is the summary with links:
  - [v3] riscv: fix kprobe __user string arg print fault issue
    https://git.kernel.org/riscv/c/99a670b2069c

You are awesome, thank you!
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