[PATCH] powerpc/64s/radix: Don't warn on copros in radix__tlb_flush()

[Michael Ellerman]

On Tue, 17 Oct 2023 23:15:27 +1100, Michael Ellerman wrote:
> Sachin reported a warning when running the inject-ra-err selftest:
> 
>   # selftests: powerpc/mce: inject-ra-err
>   Disabling lock debugging due to kernel taint
>   MCE: CPU19: machine check (Severe)  Real address Load/Store (foreign/control memory) [Not recovered]
>   MCE: CPU19: PID: 5254 Comm: inject-ra-err NIP: [0000000010000e48]
>   MCE: CPU19: Initiator CPU
>   MCE: CPU19: Unknown
>   ------------[ cut here ]------------
>   WARNING: CPU: 19 PID: 5254 at arch/powerpc/mm/book3s64/radix_tlb.c:1221 radix__tlb_flush+0x160/0x180
>   CPU: 19 PID: 5254 Comm: inject-ra-err Kdump: loaded Tainted: G   M        E      6.6.0-rc3-00055-g9ed22ae6be81 #4
>   Hardware name: IBM,9080-HEX POWER10 (raw) 0x800200 0xf000006 of:IBM,FW1030.20 (NH1030_058) hv:phyp pSeries
>   ...
>   NIP radix__tlb_flush+0x160/0x180
>   LR  radix__tlb_flush+0x104/0x180
>   Call Trace:
>     radix__tlb_flush+0xf4/0x180 (unreliable)
>     tlb_finish_mmu+0x15c/0x1e0
>     exit_mmap+0x1a0/0x510
>     __mmput+0x60/0x1e0
>     exit_mm+0xdc/0x170
>     do_exit+0x2bc/0x5a0
>     do_group_exit+0x4c/0xc0
>     sys_exit_group+0x28/0x30
>     system_call_exception+0x138/0x330
>     system_call_vectored_common+0x15c/0x2ec
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/64s/radix: Don't warn on copros in radix__tlb_flush()
      https://git.kernel.org/powerpc/c/20045f0155ab79f8beb840022ea86bff46167f79

cheers