[PATCH] HWPOISON: add a pr_err message when forcibly send a sigbus

[Helge Deller]

On 8/19/23 12:22, Shuai Xue wrote:
> When a process tries to access a page that is already offline, the
> kernel will send a sigbus signal with the BUS_MCEERR_AR code. This
> signal is typically handled by a registered sigbus handler in the
> process. However, if the process does not have a registered sigbus
> handler, it is important for end users to be informed about what
> happened.
>
> To address this, add an error message similar to those implemented on
> the x86, powerpc, and parisc platforms.
>
> Signed-off-by: Shuai Xue <xueshuai at linux.alibaba.com>
> ---
>   arch/arm64/mm/fault.c  | 2 ++
>   arch/parisc/mm/fault.c | 5 ++---
>   arch/x86/mm/fault.c    | 3 +--
>   3 files changed, 5 insertions(+), 5 deletions(-)

Acked-by: Helge Deller <deller at gmx.de> # parisc