Update qla2x00t-32gbit to Linux Kernel v6.19#334
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Currently if a user enqueue a work item using schedule_delayed_work() the used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to schedule_work() that is using system_wq and queue_work(), that makes use again of WORK_CPU_UNBOUND. This lack of consistency cannot be addressed without refactoring the API. system_unbound_wq should be the default workqueue so as not to enforce locality constraints for random work whenever it's not required. Adding system_dfl_wq to encourage its use when unbound work should be used. The old system_unbound_wq will be kept for a few release cycles. Suggested-by: Tejun Heo <tj@kernel.org> Signed-off-by: Marco Crivellari <marco.crivellari@suse.com> Link: https://patch.msgid.link/20251031095643.74246-2-marco.crivellari@suse.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> [ commit 49783aca15fb upstream ]
Upstream workqueue changes introduce a new WQ_PERCPU flag and plan to switch alloc_workqueue()'s default from per-CPU to unbound To kepp SCST behaviour unchanged across kernels, this patch makes all alloc_workqueue() users explicit about whether they want per-CPU or unbound queues.
In qla2xxx_process_purls_iocb(), an item is allocated via
qla27xx_copy_multiple_pkt(), which internally calls
qla24xx_alloc_purex_item().
The qla24xx_alloc_purex_item() function may return a pre-allocated item
from a per-adapter pool for small allocations, instead of dynamically
allocating memory with kzalloc().
An error handling path in qla2xxx_process_purls_iocb() incorrectly uses
kfree() to release the item. If the item was from the pre-allocated
pool, calling kfree() on it is a bug that can lead to memory corruption.
Fix this by using the correct deallocation function,
qla24xx_free_purex_item(), which properly handles both dynamically
allocated and pre-allocated items.
Fixes: 875386b98857 ("scsi: qla2xxx: Add Unsolicited LS Request and Response Support for NVMe")
Signed-off-by: Zilin Guan <zilin@seu.edu.cn>
Reviewed-by: Himanshu Madhani <hmadhani2024@gmail.com>
Link: https://patch.msgid.link/20251113151246.762510-1-zilin@seu.edu.cn
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
[ commit 78b1a242fe61 upstream ]
Support for the following changes in the Linux kernel v6.19:
- 383d89699c50 ("treewide: Drop pci_save_state() after
pci_restore_state()")
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