Re: [PATCH] accel/ivpu: Fix NOC firewall interrupt handling

On 10/17/2024 8:49 AM, Jacek Lawrynowicz wrote:

From: Andrzej Kacprowski Andrzej.Kacprowski@intel.com

The NOC firewall interrupt means that the HW prevented unauthorized access to a protected resource, so there is no need to trigger device reset in such case.

To facilitate security testing add firewall_irq_counter debugfs file that tracks firewall interrupts.

Fixes: 8a27ad81f7d3 ("accel/ivpu: Split IP and buttress code") Cc: stable@vger.kernel.org # v6.11+ Signed-off-by: Andrzej Kacprowski Andrzej.Kacprowski@intel.com Reviewed-by: Jacek Lawrynowicz jacek.lawrynowicz@linux.intel.com Signed-off-by: Jacek Lawrynowicz jacek.lawrynowicz@linux.intel.com

Reviewed-by: Jeffrey Hugo quic_jhugo@quicinc.com