This is a note to let you know that I've just added the patch titled
crypto: qat - disable IOV in adf_dev_stop()
to the 6.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
crypto-qat-disable-iov-in-adf_dev_stop.patch
and it can be found in the queue-6.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit bd418670930702291ed2849cb91ea8476215c46d
Author: Michal Witwicki <michal.witwicki@xxxxxxxxx>
Date: Wed Jul 17 07:44:57 2024 -0400
crypto: qat - disable IOV in adf_dev_stop()
[ Upstream commit b6c7d36292d50627dbe6a57fa344f87c776971e6 ]
Disabling IOV has the side effect of re-enabling the AEs that might
attempt to do DMAs into the heartbeat buffers.
Move the disable_iov() function in adf_dev_stop() before the AEs are
stopped.
Fixes: ed8ccaef52fa ("crypto: qat - Add support for SRIOV")
Signed-off-by: Michal Witwicki <michal.witwicki@xxxxxxxxx>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@xxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/crypto/intel/qat/qat_common/adf_init.c b/drivers/crypto/intel/qat/qat_common/adf_init.c
index 74f0818c07034..55f1ff1e0b322 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_init.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_init.c
@@ -323,6 +323,8 @@ static void adf_dev_stop(struct adf_accel_dev *accel_dev)
if (hw_data->stop_timer)
hw_data->stop_timer(accel_dev);
+ hw_data->disable_iov(accel_dev);
+
if (wait)
msleep(100);
@@ -386,8 +388,6 @@ static void adf_dev_shutdown(struct adf_accel_dev *accel_dev)
adf_tl_shutdown(accel_dev);
- hw_data->disable_iov(accel_dev);
-
if (test_bit(ADF_STATUS_IRQ_ALLOCATED, &accel_dev->status)) {
hw_data->free_irq(accel_dev);
clear_bit(ADF_STATUS_IRQ_ALLOCATED, &accel_dev->status);
