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961b6a7003
linux/arch/x86/kernel/acpi
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Jiang Liu 961b6a7003 x86: ACPI: Do not translate GSI number if IOAPIC is disabled 
When IOAPIC is disabled, acpi_gsi_to_irq() should return gsi directly
instead of calling mp_map_gsi_to_irq() to translate gsi to IRQ by IOAPIC.
It fixes https://bugzilla.kernel.org/show_bug.cgi?id=84381.

This regression was introduced with commit 6b9fb70824 "x86, ACPI,
irq: Consolidate algorithm of mapping (ioapic, pin) to IRQ number"

Reported-and-Tested-by: Thomas Richter <thor@math.tu-berlin.de>
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Thomas Richter <thor@math.tu-berlin.de>
Cc: rui.zhang@intel.com
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: <stable@vger.kernel.org> # 3.17
Link: http://lkml.kernel.org/r/1413816327-12850-1-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2014-10-20 17:23:00 +02:00
..
apei.c acpi, apei, ghes: Factor out ioremap virtual memory for IRQ and NMI context. 2014-07-22 15:05:06 -07:00
boot.c x86: ACPI: Do not translate GSI number if IOAPIC is disabled 2014-10-20 17:23:00 +02:00
cstate.c ACPI idle: permit sparse C-state sub-state numbers 2014-02-19 17:33:18 -05:00
Makefile apei, mce: Factor out APEI architecture specific MCE calls. 2014-07-22 15:05:06 -07:00
sleep.c asmlinkage, x86: Add explicit __visible to arch/x86/* 2014-05-05 16:07:44 -07:00
sleep.h ACPICA: Cleanup asmlinkage for ACPICA APIs. 2013-10-31 14:37:35 +01:00
wakeup_32.S ACPICA: Cleanup asmlinkage for ACPICA APIs. 2013-10-31 14:37:35 +01:00
wakeup_64.S ACPICA: Cleanup asmlinkage for ACPICA APIs. 2013-10-31 14:37:35 +01:00