RE: [PATCH v7 5/6] vfio/nvgrace-gpu: Inform devmem unmapped after reset

[Shameer Kolothum]

> -----Original Message-----
> From: Ankit Agrawal <ankita@xxxxxxxxxx>
> Sent: 26 November 2025 05:26
> To: Ankit Agrawal <ankita@xxxxxxxxxx>; jgg@xxxxxxxx; Yishai Hadas
> <yishaih@xxxxxxxxxx>; Shameer Kolothum <skolothumtho@xxxxxxxxxx>;
> kevin.tian@xxxxxxxxx; alex@xxxxxxxxxxx; Aniket Agashe
> <aniketa@xxxxxxxxxx>; Vikram Sethi <vsethi@xxxxxxxxxx>; Matt Ochs
> <mochs@xxxxxxxxxx>
> Cc: Yunxiang.Li@xxxxxxx; yi.l.liu@xxxxxxxxx;
> zhangdongdong@xxxxxxxxxxxxxxxxxx; Avihai Horon <avihaih@xxxxxxxxxx>;
> bhelgaas@xxxxxxxxxx; peterx@xxxxxxxxxx; pstanner@xxxxxxxxxx; Alistair
> Popple <apopple@xxxxxxxxxx>; kvm@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; Neo Jia <cjia@xxxxxxxxxx>; Kirti Wankhede
> <kwankhede@xxxxxxxxxx>; Tarun Gupta (SW-GPU) <targupta@xxxxxxxxxx>;
> Zhi Wang <zhiw@xxxxxxxxxx>; Dan Williams <danw@xxxxxxxxxx>; Dheeraj
> Nigam <dnigam@xxxxxxxxxx>; Krishnakant Jaju <kjaju@xxxxxxxxxx>
> Subject: [PATCH v7 5/6] vfio/nvgrace-gpu: Inform devmem unmapped after
> reset
> 
> From: Ankit Agrawal <ankita@xxxxxxxxxx>
> 
> Introduce a new flag reset_done to notify that the GPU has just
> been reset and the mapping to the GPU memory is zapped.
> 
> Implement the reset_done handler to set this new variable. It
> will be used later in the patches to wait for the GPU memory
> to be ready before doing any mapping or access.
> 
> Cc: Jason Gunthorpe <jgg@xxxxxxxx>
> Suggested-by: Alex Williamson <alex@xxxxxxxxxxx>
> Signed-off-by: Ankit Agrawal <ankita@xxxxxxxxxx>

Reviewed-by: Shameer Kolothum <skolothumtho@xxxxxxxxxx>