Re: [PATCH 0/3] misc: sgi-gru: Remove broken page-table walks

[Dimitri Sivanich <sivanich@hpe.com>]

Muhammad,

I should let you know that we're currently and actively working on a
forthcoming patch to remove the sgi-gru driver, due to security concerns.  We
hope to submit this patch soon.

On Thu, Jul 30, 2026 at 12:12:49PM +0100, Muhammad Usama Anjum wrote:
> While working on MM page-table changes, I found that the SGI GRU driver
> walks user page tables unsafely from interrupt context. This series
> removes that path, uses the existing process-context fallback, and
> cleans up the resulting dead code.
> 
> Muhammad Usama Anjum (3):
>   misc: sgi-gru: remove interrupt-context page-table walks
>   misc: sgi-gru: remove obsolete atomic fault-handling state
>   misc: sgi-gru: inline the user CBR status update
> 
>  drivers/misc/sgi-gru/grufault.c  | 185 +++++++------------------------
>  drivers/misc/sgi-gru/gruprocfs.c |   1 -
>  drivers/misc/sgi-gru/grutables.h |   1 -
>  3 files changed, 41 insertions(+), 146 deletions(-)
> 
> -- 
> 2.47.3