The patch below does not apply to the 4.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From efb1cf7d28b8aeacec53e9ba8f3f2809c5cb9686 Mon Sep 17 00:00:00 2001 From: Chen Yu <[email protected]> Date: Sun, 25 Oct 2015 01:02:36 +0800 Subject: [PATCH] ACPI: Using correct irq when waiting for events When the system is waiting for GPE/fixed event handler to finish, it uses acpi_gbl_FADT.sci_interrupt directly as the IRQ number. However, the remapped IRQ returned by acpi_gsi_to_irq() should be passed to synchronize_hardirq() instead of it. Cc: 3.19+ <[email protected]> # 3.19+ Acked-by: Lv Zheng <[email protected]> Signed-off-by: Chen Yu <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]> diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 2a25919f8eab..2f6e3c6ad39b 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -1183,8 +1183,8 @@ void acpi_os_wait_events_complete(void) * Make sure the GPE handler or the fixed event handler is not used * on another CPU after removal. */ - if (acpi_irq_handler) - synchronize_hardirq(acpi_gbl_FADT.sci_interrupt); + if (acpi_sci_irq_valid()) + synchronize_hardirq(acpi_sci_irq); flush_workqueue(kacpid_wq); flush_workqueue(kacpi_notify_wq); } -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
