RE: [PATCH] x86/sgx: Add code to inject hwpoison into SGX memory

From: Thomas Tai
Date: Tue Sep 27 2022 - 17:43:53 EST


> -----Original Message-----
> From: Luck, Tony <tony.luck@xxxxxxxxx>
> Sent: September 27, 2022 4:35 PM
> To: Thomas Tai <thomas.tai@xxxxxxxxxx>; dave.hansen@xxxxxxxxxxxxxxx;
> jarkko@xxxxxxxxxx; reinette.chatre@xxxxxxxx; naoya.horiguchi@xxxxxxx;
> linmiaohe@xxxxxxxxxx; akpm@xxxxxxxxxxxxxxxxxxxx; linux-mm@xxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx; Thomas Tai <thomas.tai@xxxxxxxxxx>
> Subject: RE: [PATCH] x86/sgx: Add code to inject hwpoison into SGX memory
>
> > Inspired by commit c6acb1e7bf46 (x86/sgx: Add hook to error injection
> > address validation), add a similar code in hwpoison_inject function to
> > check if the address is located in SGX Memory. The error will then be
> > handled by the arch_memory_failure function in the SGX driver.
>
> Looks good to me.
>
> [I wish that Linux hadn't called this "hwpoison_inject()" because there's nothing
> hardware related about this injection. But you are just an innocent consumer of
> that poor naming choice]
>
> Reviewed-by: Tony Luck <tony.luck@xxxxxxxxx>

Thanks, Tony, for your review.

Cheers,
Thomas

>
> -Tony