[RHEL 9.4] Blk-mq I/O gets stalled on hotplug CPU which is part of isolcpu.

Issue

• The process which is doing I/O operation gets block on hotplug cpu which is part isolcpus.

kernel: sysrq: Show Blocked State
kernel: task:dd              state:D stack:0     pid:3716  ppid:3432   flags:0x00004002
kernel: Call Trace:
kernel: <TASK>
kernel: __schedule+0x21b/0x550
kernel: schedule+0x2d/0x70
kernel: schedule_timeout+0x88/0x160
kernel: ? __pfx_process_timeout+0x10/0x10
kernel: msleep+0x29/0x40
kernel: __blk_mq_alloc_requests+0x1b3/0x2c0
kernel: blk_mq_submit_bio+0x1ae/0x580
kernel: __submit_bio_noacct+0x7e/0x1e0
kernel: iomap_submit_ioend+0x4e/0x80
kernel: xfs_vm_writepages+0x7a/0xb0 [xfs]
kernel: do_writepages+0xcc/0x1d0
kernel: ? __mod_lruvec_page_state+0x11b/0x160
kernel: filemap_fdatawrite_wbc+0x66/0x90
kernel: __filemap_fdatawrite_range+0x54/0x80
kernel: filemap_write_and_wait_range+0x41/0xb0
kernel: xfs_setattr_size+0xb7/0x380 [xfs]
kernel: xfs_vn_setattr+0x78/0x180 [xfs]
kernel: notify_change+0x3c5/0x550
kernel: ? __d_lookup+0x73/0xb0
kernel: ? do_truncate+0x7d/0xd0
kernel: do_truncate+0x7d/0xd0
kernel: do_open+0x2d5/0x450
kernel: path_openat+0x111/0x280
kernel: do_filp_open+0xb2/0x160
kernel: ? __check_object_size.part.0+0x47/0xd0
kernel: do_sys_openat2+0x96/0xd0
kernel: ? filp_close+0x59/0x70
kernel: __x64_sys_openat+0x53/0xa0
kernel: do_syscall_64+0x59/0x90
kernel: ? __ct_user_enter+0x5a/0xd0
kernel: ? syscall_exit_to_user_mode+0x22/0x40
kernel: ? do_syscall_64+0x69/0x90
kernel: ? sched_clock+0xc/0x30
kernel: ? get_vtime_delta+0xf/0xe0
kernel: ? ct_kernel_exit.constprop.0+0x81/0xa0
kernel: ? __ct_user_enter+0x5a/0xd0
kernel: ? syscall_exit_to_user_mode+0x22/0x40
kernel: ? do_syscall_64+0x69/0x90
kernel: ? syscall_exit_to_user_mode+0x22/0x40
kernel: ? do_syscall_64+0x69/0x90
kernel: ? ct_kernel_exit.constprop.0+0x81/0xa0
kernel: ? __ct_user_enter+0x5a/0xd0
kernel: entry_SYSCALL_64_after_hwframe+0x72/0xdc
kernel: RIP: 0033:0x7f7febd3e5db
kernel: RSP: 002b:00007fff5852d630 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
kernel: RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7febd3e5db
kernel: RDX: 0000000000000241 RSI: 00007fff5852f50d RDI: 00000000ffffff9c
kernel: RBP: 00007fff5852f50d R08: 000000000000003d R09: 0000000000001838
kernel: R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000000241
kernel: R13: 0000000000000241 R14: 00007fff5852f50d R15: 00007fff5852f528
kernel: </TASK>