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The work functions provided by the users of acpi_add_pm_notifier() should be run synchronously before re-enabling the wakeup GPE in case they are used to clear the status and/or disable the wakeup signaling at the source. Otherwise, which is the case currently in the PCI bus type code, the same wakeup event may be signaled for multiple times while the execution of the work function in response to it has already been queued up. Fortunately, acpi_add_pm_notifier() is only used by PCI and by ACPI device PM code internally, so the change is relatively straightforward to make. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> |
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| acpi | ||
| asm-generic | ||
| clocksource | ||
| crypto | ||
| drm | ||
| dt-bindings | ||
| keys | ||
| kvm | ||
| linux | ||
| math-emu | ||
| media | ||
| memory | ||
| misc | ||
| net | ||
| pcmcia | ||
| ras | ||
| rdma | ||
| rxrpc | ||
| scsi | ||
| soc | ||
| sound | ||
| target | ||
| trace | ||
| uapi | ||
| video | ||
| xen | ||