[patch 07/18] ACPI: Adjust system_state check

Thomas Gleixner tglx at linutronix.de
Sun May 14 11:27:23 PDT 2017


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 wether a pci root is hotplugged depend on SYSTEM_RUNNING
instead of !SYSTEM_BOOTING.

Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Will Deacon <will.deacon at arm.com>
Cc: Mark Rutland <mark.rutland at arm.com>
Cc: linux-arm-kernel at lists.infradead.org
---
 drivers/acpi/pci_root.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -523,7 +523,7 @@ static int acpi_pci_root_add(struct acpi
 	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)





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