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linux/drivers/xen/xenbus
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Stefano Stabellini 0d8f7cc805 xenbus: check xen_domain in xenbus_probe_initcall 
The same way we already do in xenbus_init.
Fixes the following warning:

[  352.175563] Trying to free already-free IRQ 0
[  352.177355] WARNING: CPU: 1 PID: 88 at kernel/irq/manage.c:1893 free_irq+0xbf/0x350
[...]
[  352.213951] Call Trace:
[  352.214390]  <TASK>
[  352.214717]  ? __warn+0x81/0x170
[  352.215436]  ? free_irq+0xbf/0x350
[  352.215906]  ? report_bug+0x10b/0x200
[  352.216408]  ? prb_read_valid+0x17/0x20
[  352.216926]  ? handle_bug+0x44/0x80
[  352.217409]  ? exc_invalid_op+0x13/0x60
[  352.217932]  ? asm_exc_invalid_op+0x16/0x20
[  352.218497]  ? free_irq+0xbf/0x350
[  352.218979]  ? __pfx_xenbus_probe_thread+0x10/0x10
[  352.219600]  xenbus_probe+0x7a/0x80
[  352.221030]  xenbus_probe_thread+0x76/0xc0

Fixes: 5b3353949e ("xen: add support for initializing xenstore later as HVM domain")
Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
Tested-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>

Link: https://lore.kernel.org/r/alpine.DEB.2.22.394.2307211609140.3118466@ubuntu-linux-20-04-desktop
Signed-off-by: Juergen Gross <jgross@suse.com>
2023-07-25 17:36:36 +02:00
..
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xenbus.h bus: Make remove callback return void 2021-07-21 11:53:42 +02:00
xenbus_client.c xen/xenbus: fix xenbus_setup_ring() 2022-09-16 09:50:47 +02:00
xenbus_comms.c xen: Fix event channel callback via INTX/GSI 2021-01-13 16:12:00 +01:00
xenbus_dev_backend.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xenbus_dev_frontend.c xen/xenbus: fix return type in xenbus_file_read() 2022-08-12 12:16:39 +02:00
xenbus_probe.c xenbus: check xen_domain in xenbus_probe_initcall 2023-07-25 17:36:36 +02:00
xenbus_probe_backend.c driver core: make struct bus_type.uevent() take a const * 2023-01-27 13:45:52 +01:00
xenbus_probe_frontend.c driver core: make struct bus_type.uevent() take a const * 2023-01-27 13:45:52 +01:00
xenbus_xs.c xen/xenbus: Count pending messages for each watch 2020-12-14 10:07:13 +01:00