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Commit 0f607cb5 authored by Bob Moore's avatar Bob Moore Committed by Rafael J. Wysocki
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ACPICA: Enhance ACPI warning for memory/IO address conflicts. 



This change improves the warning message when a system address
conflicts with an existing operation region. It now emits the region
address range in addition to the input (system) address range.

Reported-by: default avatarPrarit Bhargava <prarit@redhat.com>
Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarLv Zheng <lv.zheng@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 87beb7e8

drivers/acpi/acpica/utaddress.c

+13 −6
Original line number Diff line number Diff line
@@ -224,10 +224,11 @@ acpi_ut_check_address_range(acpi_adr_space_type space_id, 


	while (range_info) {

		/*

		 * Check if the requested Address/Length overlaps this address_range.

		 * Four cases to consider:

		 * Check if the requested address/length overlaps this

		 * address range. There are four cases to consider:

		 *

		 * 1) Input address/length is contained completely in the address range

		 * 1) Input address/length is contained completely in the

		 *    address range

		 * 2) Input address/length overlaps range at the range start

		 * 3) Input address/length overlaps range at the range end

		 * 4) Input address/length completely encompasses the range
@@ -244,11 +245,17 @@ acpi_ut_check_address_range(acpi_adr_space_type space_id, 
								  region_node);



				ACPI_WARNING((AE_INFO,

					      "0x%p-0x%p %s conflicts with Region %s %d",

					      "%s range 0x%p-0x%p conflicts with OpRegion 0x%p-0x%p (%s)",

					      acpi_ut_get_region_name(space_id),

					      ACPI_CAST_PTR(void, address),

					      ACPI_CAST_PTR(void, end_address),

					      acpi_ut_get_region_name(space_id),

					      pathname, overlap_count));

					      ACPI_CAST_PTR(void,

							    range_info->

							    start_address),

					      ACPI_CAST_PTR(void,

							    range_info->

							    end_address),

					      pathname));

				ACPI_FREE(pathname);

			}

		}