Re: [PATCH 1/3] accel/ivpu: Abort all jobs after command queue unregister

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, Apr 30, 2025 at 02:36:51PM +0200, Jacek Lawrynowicz wrote:
> From: Karol Wachowski <karol.wachowski@intel.com>
> 
> commit 5bbccadaf33eea2b879d8326ad59ae0663be47d1 upstream.
> 
> With hardware scheduler it is not expected to receive JOB_DONE
> notifications from NPU FW for the jobs aborted due to command queue destroy
> JSM command.
> 
> Remove jobs submitted to unregistered command queue from submitted_jobs_xa
> to avoid triggering a TDR in such case.
> 
> Add explicit submitted_jobs_lock that protects access to list of submitted
> jobs which is now used to find jobs to abort.
> 
> Move context abort procedure to separate work queue not to slow down
> handling of IPCs or DCT requests in case where job abort takes longer,
> especially when destruction of the last job of a specific context results
> in context release.
> 
> Cc: <stable@vger.kernel.org> # v6.14
> Signed-off-by: Karol Wachowski <karol.wachowski@intel.com>
> Signed-off-by: Maciej Falkowski <maciej.falkowski@linux.intel.com>
> Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
> Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
> Link: https://patchwork.freedesktop.org/patch/msgid/20250107173238.381120-4-maciej.falkowski@linux.intel.com
> ---
>  drivers/accel/ivpu/ivpu_drv.c   | 32 +++----------
>  drivers/accel/ivpu/ivpu_drv.h   |  2 +
>  drivers/accel/ivpu/ivpu_job.c   | 85 +++++++++++++++++++++++++--------
>  drivers/accel/ivpu/ivpu_job.h   |  1 +
>  drivers/accel/ivpu/ivpu_mmu.c   |  3 +-
>  drivers/accel/ivpu/ivpu_sysfs.c |  5 +-
>  6 files changed, 79 insertions(+), 49 deletions(-)

This backport is quite different from the original commit, so please
document what you did differently here in the backport down in the
signed-off-by area.  Same for the other patches in this series.

thanks,

greg k-h