diff mbox series

[4.4,v1,07/17] ACPI: Adjust system_state check

Message ID 1739170545-25011-8-git-send-email-kazuhiro3.hayashi@toshiba.co.jp (mailing list archive)
State New
Headers show
Series Backport fixes that depends on SYSTEM_SCHEDULING | expand

Commit Message

Kazuhiro Hayashi Feb. 10, 2025, 6:55 a.m. UTC 
From: Thomas Gleixner <tglx@linutronix.de>

commit 9762b33dc31c67e34b36ba4e787e64084b3136ff upstream.

To enable smp_processor_id() and might_sleep() debug checks earlier, it's
required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING.

Make the decision whether a pci root is hotplugged depend on SYSTEM_RUNNING
instead of !SYSTEM_BOOTING. It makes no sense to cover states greater than
SYSTEM_RUNNING as there are not hotplug events on reboot and poweroff.

Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Link: http://lkml.kernel.org/r/20170516184735.446455652@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Kazuhiro Hayashi <kazuhiro3.hayashi@toshiba.co.jp>
---
 drivers/acpi/pci_root.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 4031ec8024ce..5c5ae92710eb 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -526,7 +526,7 @@  static int acpi_pci_root_add(struct acpi_device *device,
 	struct acpi_pci_root *root;
 	acpi_handle handle = device->handle;
 	int no_aspm = 0;
-	bool hotadd = system_state != SYSTEM_BOOTING;
+	bool hotadd = system_state == SYSTEM_RUNNING;
 
 	root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
 	if (!root)