6.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Shuai Xue xueshuai@linux.alibaba.com
commit a409e919ca321cc0e28f8abf96fde299f0072a81 upstream.
The idxd_cleanup() helper cleans up perfmon, interrupts, internals and so on. Refactor remove call with the idxd_cleanup() helper to avoid code duplication. Note, this also fixes the missing put_device() for idxd groups, enginces and wqs.
Fixes: bfe1d56091c1 ("dmaengine: idxd: Init and probe for Intel data accelerators") Cc: stable@vger.kernel.org Suggested-by: Vinicius Costa Gomes vinicius.gomes@intel.com Signed-off-by: Shuai Xue xueshuai@linux.alibaba.com Reviewed-by: Fenghua Yu fenghuay@nvidia.com Reviewed-by: Dave Jiang dave.jiang@intel.com Link: https://lore.kernel.org/r/20250404120217.48772-10-xueshuai@linux.alibaba.com Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/dma/idxd/init.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-)
--- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -905,7 +905,6 @@ static void idxd_shutdown(struct pci_dev static void idxd_remove(struct pci_dev *pdev) { struct idxd_device *idxd = pci_get_drvdata(pdev); - struct idxd_irq_entry *irq_entry;
idxd_unregister_devices(idxd); /* @@ -918,21 +917,12 @@ static void idxd_remove(struct pci_dev * get_device(idxd_confdev(idxd)); device_unregister(idxd_confdev(idxd)); idxd_shutdown(pdev); - if (device_pasid_enabled(idxd)) - idxd_disable_system_pasid(idxd); idxd_device_remove_debugfs(idxd); - - irq_entry = idxd_get_ie(idxd, 0); - free_irq(irq_entry->vector, irq_entry); - pci_free_irq_vectors(pdev); + idxd_cleanup(idxd); pci_iounmap(pdev, idxd->reg_base); - if (device_user_pasid_enabled(idxd)) - idxd_disable_sva(pdev); - pci_disable_device(pdev); - destroy_workqueue(idxd->wq); - perfmon_pmu_remove(idxd); put_device(idxd_confdev(idxd)); idxd_free(idxd); + pci_disable_device(pdev); }
static struct pci_driver idxd_pci_driver = {