[PATCH] riscv: Fix kernel crash due to PR_SET_TAGGED_ADDR_CTRL

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

Hello:

This patch was applied to riscv/linux.git (fixes)
by Alexandre Ghiti <alexghiti at rivosinc.com>:

On Sun,  4 May 2025 12:19:20 +0200 you wrote:
> When userspace does PR_SET_TAGGED_ADDR_CTRL, but Supm extension is not
> available, the kernel crashes:
> 
> Oops - illegal instruction [#1]
>     [snip]
> epc : set_tagged_addr_ctrl+0x112/0x15a
>  ra : set_tagged_addr_ctrl+0x74/0x15a
> epc : ffffffff80011ace ra : ffffffff80011a30 sp : ffffffc60039be10
>     [snip]
> status: 0000000200000120 badaddr: 0000000010a79073 cause: 0000000000000002
>     set_tagged_addr_ctrl+0x112/0x15a
>     __riscv_sys_prctl+0x352/0x73c
>     do_trap_ecall_u+0x17c/0x20c
>     andle_exception+0x150/0x15c
> 
> [...]

Here is the summary with links:
  - riscv: Fix kernel crash due to PR_SET_TAGGED_ADDR_CTRL
    https://git.kernel.org/riscv/c/ae08d55807c0

You are awesome, thank you!
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