June 2025 - Linux-stable-mirror

FAILED: patch "[PATCH] s390/pci: Remove redundant bus removal and disable from" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x d76f9633296785343d45f85199f4138cb724b6d2 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062039-ligament-subtract-d8af@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From d76f9633296785343d45f85199f4138cb724b6d2 Mon Sep 17 00:00:00 2001 From: Niklas Schnelle <schnelle(a)linux.ibm.com> Date: Thu, 22 May 2025 14:13:12 +0200 Subject: [PATCH] s390/pci: Remove redundant bus removal and disable from zpci_release_device() Remove zpci_bus_remove_device() and zpci_disable_device() calls from zpci_release_device(). These calls were done when the device transitioned into the ZPCI_FN_STATE_STANDBY state which is guaranteed to happen before it enters the ZPCI_FN_STATE_RESERVED state. When zpci_release_device() is called the device is known to be in the ZPCI_FN_STATE_RESERVED state which is also checked by a WARN_ON(). Cc: stable(a)vger.kernel.org Fixes: a46044a92add ("s390/pci: fix zpci_zdev_put() on reserve") Reviewed-by: Gerd Bayer <gbayer(a)linux.ibm.com> Reviewed-by: Julian Ruess <julianr(a)linux.ibm.com> Tested-by: Gerd Bayer <gbayer(a)linux.ibm.com> Signed-off-by: Niklas Schnelle <schnelle(a)linux.ibm.com> Signed-off-by: Heiko Carstens <hca(a)linux.ibm.com> diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index 5bbdc4190b8b..9fcc6d3180f2 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -949,12 +949,6 @@ void zpci_release_device(struct kref *kref) WARN_ON(zdev->state != ZPCI_FN_STATE_RESERVED); - if (zdev->zbus->bus) - zpci_bus_remove_device(zdev, false); - - if (zdev_enabled(zdev)) - zpci_disable_device(zdev); - if (zdev->has_hp_slot) zpci_exit_slot(zdev);

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FAILED: patch "[PATCH] s390/pci: Remove redundant bus removal and disable from" failed to apply to 6.6-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x d76f9633296785343d45f85199f4138cb724b6d2 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062038-popcorn-lure-f2f1@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From d76f9633296785343d45f85199f4138cb724b6d2 Mon Sep 17 00:00:00 2001 From: Niklas Schnelle <schnelle(a)linux.ibm.com> Date: Thu, 22 May 2025 14:13:12 +0200 Subject: [PATCH] s390/pci: Remove redundant bus removal and disable from zpci_release_device() Remove zpci_bus_remove_device() and zpci_disable_device() calls from zpci_release_device(). These calls were done when the device transitioned into the ZPCI_FN_STATE_STANDBY state which is guaranteed to happen before it enters the ZPCI_FN_STATE_RESERVED state. When zpci_release_device() is called the device is known to be in the ZPCI_FN_STATE_RESERVED state which is also checked by a WARN_ON(). Cc: stable(a)vger.kernel.org Fixes: a46044a92add ("s390/pci: fix zpci_zdev_put() on reserve") Reviewed-by: Gerd Bayer <gbayer(a)linux.ibm.com> Reviewed-by: Julian Ruess <julianr(a)linux.ibm.com> Tested-by: Gerd Bayer <gbayer(a)linux.ibm.com> Signed-off-by: Niklas Schnelle <schnelle(a)linux.ibm.com> Signed-off-by: Heiko Carstens <hca(a)linux.ibm.com> diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index 5bbdc4190b8b..9fcc6d3180f2 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -949,12 +949,6 @@ void zpci_release_device(struct kref *kref) WARN_ON(zdev->state != ZPCI_FN_STATE_RESERVED); - if (zdev->zbus->bus) - zpci_bus_remove_device(zdev, false); - - if (zdev_enabled(zdev)) - zpci_disable_device(zdev); - if (zdev->has_hp_slot) zpci_exit_slot(zdev);

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FAILED: patch "[PATCH] crypto: qat - add shutdown handler to qat_dh895xcc" failed to apply to 5.4-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x 2c4e8b228733bfbcaf49408fdf94d220f6eb78fc # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062041-mutiny-civil-2bce@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 2c4e8b228733bfbcaf49408fdf94d220f6eb78fc Mon Sep 17 00:00:00 2001 From: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Date: Wed, 26 Mar 2025 15:59:49 +0000 Subject: [PATCH] crypto: qat - add shutdown handler to qat_dh895xcc During a warm reset via kexec, the system bypasses the driver removal sequence, meaning that the remove() callback is not invoked. If a QAT device is not shutdown properly, the device driver will fail to load in a newly rebooted kernel. This might result in output like the following after the kexec reboot: QAT: AE0 is inactive!! QAT: failed to get device out of reset dh895xcc 0000:3f:00.0: qat_hal_clr_reset error dh895xcc 0000:3f:00.0: Failed to init the AEs dh895xcc 0000:3f:00.0: Failed to initialise Acceleration Engine dh895xcc 0000:3f:00.0: Resetting device qat_dev0 dh895xcc 0000:3f:00.0: probe with driver dh895xcc failed with error -14 Implement the shutdown() handler that hooks into the reboot notifier list. This brings down the QAT device and ensures it is shut down properly. Cc: <stable(a)vger.kernel.org> Fixes: 7afa232e76ce ("crypto: qat - Intel(R) QAT DH895xcc accelerator") Reviewed-by: Ahsan Atta <ahsan.atta(a)intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> diff --git a/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c index 730147404ceb..b59e0cc49e52 100644 --- a/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c @@ -209,6 +209,13 @@ static void adf_remove(struct pci_dev *pdev) kfree(accel_dev); } +static void adf_shutdown(struct pci_dev *pdev) +{ + struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev); + + adf_dev_down(accel_dev); +} + static const struct pci_device_id adf_pci_tbl[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_DH895XCC) }, { } @@ -220,6 +227,7 @@ static struct pci_driver adf_driver = { .name = ADF_DH895XCC_DEVICE_NAME, .probe = adf_probe, .remove = adf_remove, + .shutdown = adf_shutdown, .sriov_configure = adf_sriov_configure, .err_handler = &adf_err_handler, };

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FAILED: patch "[PATCH] crypto: qat - add shutdown handler to qat_dh895xcc" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 2c4e8b228733bfbcaf49408fdf94d220f6eb78fc # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062040-twentieth-uniformed-032e@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 2c4e8b228733bfbcaf49408fdf94d220f6eb78fc Mon Sep 17 00:00:00 2001 From: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Date: Wed, 26 Mar 2025 15:59:49 +0000 Subject: [PATCH] crypto: qat - add shutdown handler to qat_dh895xcc During a warm reset via kexec, the system bypasses the driver removal sequence, meaning that the remove() callback is not invoked. If a QAT device is not shutdown properly, the device driver will fail to load in a newly rebooted kernel. This might result in output like the following after the kexec reboot: QAT: AE0 is inactive!! QAT: failed to get device out of reset dh895xcc 0000:3f:00.0: qat_hal_clr_reset error dh895xcc 0000:3f:00.0: Failed to init the AEs dh895xcc 0000:3f:00.0: Failed to initialise Acceleration Engine dh895xcc 0000:3f:00.0: Resetting device qat_dev0 dh895xcc 0000:3f:00.0: probe with driver dh895xcc failed with error -14 Implement the shutdown() handler that hooks into the reboot notifier list. This brings down the QAT device and ensures it is shut down properly. Cc: <stable(a)vger.kernel.org> Fixes: 7afa232e76ce ("crypto: qat - Intel(R) QAT DH895xcc accelerator") Reviewed-by: Ahsan Atta <ahsan.atta(a)intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> diff --git a/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c index 730147404ceb..b59e0cc49e52 100644 --- a/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c @@ -209,6 +209,13 @@ static void adf_remove(struct pci_dev *pdev) kfree(accel_dev); } +static void adf_shutdown(struct pci_dev *pdev) +{ + struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev); + + adf_dev_down(accel_dev); +} + static const struct pci_device_id adf_pci_tbl[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_DH895XCC) }, { } @@ -220,6 +227,7 @@ static struct pci_driver adf_driver = { .name = ADF_DH895XCC_DEVICE_NAME, .probe = adf_probe, .remove = adf_remove, + .shutdown = adf_shutdown, .sriov_configure = adf_sriov_configure, .err_handler = &adf_err_handler, };

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FAILED: patch "[PATCH] crypto: qat - add shutdown handler to qat_dh895xcc" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 2c4e8b228733bfbcaf49408fdf94d220f6eb78fc # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062040-preaching-lance-8408@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 2c4e8b228733bfbcaf49408fdf94d220f6eb78fc Mon Sep 17 00:00:00 2001 From: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Date: Wed, 26 Mar 2025 15:59:49 +0000 Subject: [PATCH] crypto: qat - add shutdown handler to qat_dh895xcc During a warm reset via kexec, the system bypasses the driver removal sequence, meaning that the remove() callback is not invoked. If a QAT device is not shutdown properly, the device driver will fail to load in a newly rebooted kernel. This might result in output like the following after the kexec reboot: QAT: AE0 is inactive!! QAT: failed to get device out of reset dh895xcc 0000:3f:00.0: qat_hal_clr_reset error dh895xcc 0000:3f:00.0: Failed to init the AEs dh895xcc 0000:3f:00.0: Failed to initialise Acceleration Engine dh895xcc 0000:3f:00.0: Resetting device qat_dev0 dh895xcc 0000:3f:00.0: probe with driver dh895xcc failed with error -14 Implement the shutdown() handler that hooks into the reboot notifier list. This brings down the QAT device and ensures it is shut down properly. Cc: <stable(a)vger.kernel.org> Fixes: 7afa232e76ce ("crypto: qat - Intel(R) QAT DH895xcc accelerator") Reviewed-by: Ahsan Atta <ahsan.atta(a)intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> diff --git a/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c index 730147404ceb..b59e0cc49e52 100644 --- a/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c @@ -209,6 +209,13 @@ static void adf_remove(struct pci_dev *pdev) kfree(accel_dev); } +static void adf_shutdown(struct pci_dev *pdev) +{ + struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev); + + adf_dev_down(accel_dev); +} + static const struct pci_device_id adf_pci_tbl[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_DH895XCC) }, { } @@ -220,6 +227,7 @@ static struct pci_driver adf_driver = { .name = ADF_DH895XCC_DEVICE_NAME, .probe = adf_probe, .remove = adf_remove, + .shutdown = adf_shutdown, .sriov_configure = adf_sriov_configure, .err_handler = &adf_err_handler, };

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FAILED: patch "[PATCH] crypto: qat - add shutdown handler to qat_dh895xcc" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x 2c4e8b228733bfbcaf49408fdf94d220f6eb78fc # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062039-stinging-clad-50a8@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 2c4e8b228733bfbcaf49408fdf94d220f6eb78fc Mon Sep 17 00:00:00 2001 From: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Date: Wed, 26 Mar 2025 15:59:49 +0000 Subject: [PATCH] crypto: qat - add shutdown handler to qat_dh895xcc During a warm reset via kexec, the system bypasses the driver removal sequence, meaning that the remove() callback is not invoked. If a QAT device is not shutdown properly, the device driver will fail to load in a newly rebooted kernel. This might result in output like the following after the kexec reboot: QAT: AE0 is inactive!! QAT: failed to get device out of reset dh895xcc 0000:3f:00.0: qat_hal_clr_reset error dh895xcc 0000:3f:00.0: Failed to init the AEs dh895xcc 0000:3f:00.0: Failed to initialise Acceleration Engine dh895xcc 0000:3f:00.0: Resetting device qat_dev0 dh895xcc 0000:3f:00.0: probe with driver dh895xcc failed with error -14 Implement the shutdown() handler that hooks into the reboot notifier list. This brings down the QAT device and ensures it is shut down properly. Cc: <stable(a)vger.kernel.org> Fixes: 7afa232e76ce ("crypto: qat - Intel(R) QAT DH895xcc accelerator") Reviewed-by: Ahsan Atta <ahsan.atta(a)intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> diff --git a/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c index 730147404ceb..b59e0cc49e52 100644 --- a/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_dh895xcc/adf_drv.c @@ -209,6 +209,13 @@ static void adf_remove(struct pci_dev *pdev) kfree(accel_dev); } +static void adf_shutdown(struct pci_dev *pdev) +{ + struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev); + + adf_dev_down(accel_dev); +} + static const struct pci_device_id adf_pci_tbl[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_DH895XCC) }, { } @@ -220,6 +227,7 @@ static struct pci_driver adf_driver = { .name = ADF_DH895XCC_DEVICE_NAME, .probe = adf_probe, .remove = adf_remove, + .shutdown = adf_shutdown, .sriov_configure = adf_sriov_configure, .err_handler = &adf_err_handler, };

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FAILED: patch "[PATCH] crypto: qat - add shutdown handler to qat_c62x" failed to apply to 5.4-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x a9a6e9279b2998e2610c70b0dfc80a234f97c76c # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062030-rely-movable-fb97@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From a9a6e9279b2998e2610c70b0dfc80a234f97c76c Mon Sep 17 00:00:00 2001 From: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Date: Wed, 26 Mar 2025 15:59:51 +0000 Subject: [PATCH] crypto: qat - add shutdown handler to qat_c62x During a warm reset via kexec, the system bypasses the driver removal sequence, meaning that the remove() callback is not invoked. If a QAT device is not shutdown properly, the device driver will fail to load in a newly rebooted kernel. This might result in output like the following after the kexec reboot: QAT: AE0 is inactive!! QAT: failed to get device out of reset c6xx 0000:3f:00.0: qat_hal_clr_reset error c6xx 0000:3f:00.0: Failed to init the AEs c6xx 0000:3f:00.0: Failed to initialise Acceleration Engine c6xx 0000:3f:00.0: Resetting device qat_dev0 c6xx 0000:3f:00.0: probe with driver c6xx failed with error -14 Implement the shutdown() handler that hooks into the reboot notifier list. This brings down the QAT device and ensures it is shut down properly. Cc: <stable(a)vger.kernel.org> Fixes: a6dabee6c8ba ("crypto: qat - add support for c62x accel type") Reviewed-by: Ahsan Atta <ahsan.atta(a)intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> diff --git a/drivers/crypto/intel/qat/qat_c62x/adf_drv.c b/drivers/crypto/intel/qat/qat_c62x/adf_drv.c index 0bac717e88d9..23ccb72b6ea2 100644 --- a/drivers/crypto/intel/qat/qat_c62x/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_c62x/adf_drv.c @@ -209,6 +209,13 @@ static void adf_remove(struct pci_dev *pdev) kfree(accel_dev); } +static void adf_shutdown(struct pci_dev *pdev) +{ + struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev); + + adf_dev_down(accel_dev); +} + static const struct pci_device_id adf_pci_tbl[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_C62X) }, { } @@ -220,6 +227,7 @@ static struct pci_driver adf_driver = { .name = ADF_C62X_DEVICE_NAME, .probe = adf_probe, .remove = adf_remove, + .shutdown = adf_shutdown, .sriov_configure = adf_sriov_configure, .err_handler = &adf_err_handler, };

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FAILED: patch "[PATCH] crypto: qat - add shutdown handler to qat_c62x" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x a9a6e9279b2998e2610c70b0dfc80a234f97c76c # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062029-crayfish-robotics-60e2@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From a9a6e9279b2998e2610c70b0dfc80a234f97c76c Mon Sep 17 00:00:00 2001 From: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Date: Wed, 26 Mar 2025 15:59:51 +0000 Subject: [PATCH] crypto: qat - add shutdown handler to qat_c62x During a warm reset via kexec, the system bypasses the driver removal sequence, meaning that the remove() callback is not invoked. If a QAT device is not shutdown properly, the device driver will fail to load in a newly rebooted kernel. This might result in output like the following after the kexec reboot: QAT: AE0 is inactive!! QAT: failed to get device out of reset c6xx 0000:3f:00.0: qat_hal_clr_reset error c6xx 0000:3f:00.0: Failed to init the AEs c6xx 0000:3f:00.0: Failed to initialise Acceleration Engine c6xx 0000:3f:00.0: Resetting device qat_dev0 c6xx 0000:3f:00.0: probe with driver c6xx failed with error -14 Implement the shutdown() handler that hooks into the reboot notifier list. This brings down the QAT device and ensures it is shut down properly. Cc: <stable(a)vger.kernel.org> Fixes: a6dabee6c8ba ("crypto: qat - add support for c62x accel type") Reviewed-by: Ahsan Atta <ahsan.atta(a)intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> diff --git a/drivers/crypto/intel/qat/qat_c62x/adf_drv.c b/drivers/crypto/intel/qat/qat_c62x/adf_drv.c index 0bac717e88d9..23ccb72b6ea2 100644 --- a/drivers/crypto/intel/qat/qat_c62x/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_c62x/adf_drv.c @@ -209,6 +209,13 @@ static void adf_remove(struct pci_dev *pdev) kfree(accel_dev); } +static void adf_shutdown(struct pci_dev *pdev) +{ + struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev); + + adf_dev_down(accel_dev); +} + static const struct pci_device_id adf_pci_tbl[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_C62X) }, { } @@ -220,6 +227,7 @@ static struct pci_driver adf_driver = { .name = ADF_C62X_DEVICE_NAME, .probe = adf_probe, .remove = adf_remove, + .shutdown = adf_shutdown, .sriov_configure = adf_sriov_configure, .err_handler = &adf_err_handler, };

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FAILED: patch "[PATCH] crypto: qat - add shutdown handler to qat_c62x" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x a9a6e9279b2998e2610c70b0dfc80a234f97c76c # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062028-pegboard-reaffirm-313f@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From a9a6e9279b2998e2610c70b0dfc80a234f97c76c Mon Sep 17 00:00:00 2001 From: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Date: Wed, 26 Mar 2025 15:59:51 +0000 Subject: [PATCH] crypto: qat - add shutdown handler to qat_c62x During a warm reset via kexec, the system bypasses the driver removal sequence, meaning that the remove() callback is not invoked. If a QAT device is not shutdown properly, the device driver will fail to load in a newly rebooted kernel. This might result in output like the following after the kexec reboot: QAT: AE0 is inactive!! QAT: failed to get device out of reset c6xx 0000:3f:00.0: qat_hal_clr_reset error c6xx 0000:3f:00.0: Failed to init the AEs c6xx 0000:3f:00.0: Failed to initialise Acceleration Engine c6xx 0000:3f:00.0: Resetting device qat_dev0 c6xx 0000:3f:00.0: probe with driver c6xx failed with error -14 Implement the shutdown() handler that hooks into the reboot notifier list. This brings down the QAT device and ensures it is shut down properly. Cc: <stable(a)vger.kernel.org> Fixes: a6dabee6c8ba ("crypto: qat - add support for c62x accel type") Reviewed-by: Ahsan Atta <ahsan.atta(a)intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> diff --git a/drivers/crypto/intel/qat/qat_c62x/adf_drv.c b/drivers/crypto/intel/qat/qat_c62x/adf_drv.c index 0bac717e88d9..23ccb72b6ea2 100644 --- a/drivers/crypto/intel/qat/qat_c62x/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_c62x/adf_drv.c @@ -209,6 +209,13 @@ static void adf_remove(struct pci_dev *pdev) kfree(accel_dev); } +static void adf_shutdown(struct pci_dev *pdev) +{ + struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev); + + adf_dev_down(accel_dev); +} + static const struct pci_device_id adf_pci_tbl[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_C62X) }, { } @@ -220,6 +227,7 @@ static struct pci_driver adf_driver = { .name = ADF_C62X_DEVICE_NAME, .probe = adf_probe, .remove = adf_remove, + .shutdown = adf_shutdown, .sriov_configure = adf_sriov_configure, .err_handler = &adf_err_handler, };

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FAILED: patch "[PATCH] crypto: qat - add shutdown handler to qat_c62x" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x a9a6e9279b2998e2610c70b0dfc80a234f97c76c # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062028-rumble-ebony-e250@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From a9a6e9279b2998e2610c70b0dfc80a234f97c76c Mon Sep 17 00:00:00 2001 From: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Date: Wed, 26 Mar 2025 15:59:51 +0000 Subject: [PATCH] crypto: qat - add shutdown handler to qat_c62x During a warm reset via kexec, the system bypasses the driver removal sequence, meaning that the remove() callback is not invoked. If a QAT device is not shutdown properly, the device driver will fail to load in a newly rebooted kernel. This might result in output like the following after the kexec reboot: QAT: AE0 is inactive!! QAT: failed to get device out of reset c6xx 0000:3f:00.0: qat_hal_clr_reset error c6xx 0000:3f:00.0: Failed to init the AEs c6xx 0000:3f:00.0: Failed to initialise Acceleration Engine c6xx 0000:3f:00.0: Resetting device qat_dev0 c6xx 0000:3f:00.0: probe with driver c6xx failed with error -14 Implement the shutdown() handler that hooks into the reboot notifier list. This brings down the QAT device and ensures it is shut down properly. Cc: <stable(a)vger.kernel.org> Fixes: a6dabee6c8ba ("crypto: qat - add support for c62x accel type") Reviewed-by: Ahsan Atta <ahsan.atta(a)intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu(a)intel.com> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> diff --git a/drivers/crypto/intel/qat/qat_c62x/adf_drv.c b/drivers/crypto/intel/qat/qat_c62x/adf_drv.c index 0bac717e88d9..23ccb72b6ea2 100644 --- a/drivers/crypto/intel/qat/qat_c62x/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_c62x/adf_drv.c @@ -209,6 +209,13 @@ static void adf_remove(struct pci_dev *pdev) kfree(accel_dev); } +static void adf_shutdown(struct pci_dev *pdev) +{ + struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev); + + adf_dev_down(accel_dev); +} + static const struct pci_device_id adf_pci_tbl[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_C62X) }, { } @@ -220,6 +227,7 @@ static struct pci_driver adf_driver = { .name = ADF_C62X_DEVICE_NAME, .probe = adf_probe, .remove = adf_remove, + .shutdown = adf_shutdown, .sriov_configure = adf_sriov_configure, .err_handler = &adf_err_handler, };

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