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| author | Robert Moore <Robert.Moore@intel.com> | 2023-02-07 10:18:13 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-02-07 10:18:13 -0800 |
| commit | ace402016455da98a1e013dd7796f72d24099512 (patch) | |
| tree | dfa940dd28d96c8a9158c554cc5206e990e9c5be | |
| parent | 041aaf3e9089893363e609ab070a0f40348a82eb (diff) | |
| parent | 207cdba92165c6255a44f44cd38f17f6d19a1d3b (diff) | |
| download | acpica-ace402016455da98a1e013dd7796f72d24099512.tar.gz | |
Merge pull request #817 from superm1/mlimonci/protected-ranges
ACPICA: hwvalid: Drop port I/O validation
| -rw-r--r-- | source/components/hardware/hwvalid.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/source/components/hardware/hwvalid.c b/source/components/hardware/hwvalid.c index e9142e9f4..80f0f5709 100644 --- a/source/components/hardware/hwvalid.c +++ b/source/components/hardware/hwvalid.c @@ -169,8 +169,8 @@ AcpiHwValidateIoRequest ( * * The table is used to implement the Microsoft port access rules that * first appeared in Windows XP. Some ports are always illegal, and some - * ports are only illegal if the BIOS calls _OSI with a WinXP string or - * later (meaning that the BIOS itelf is post-XP.) + * ports are only illegal if the BIOS calls _OSI with nothing newer than + * the specific _OSI strings. * * This provides ACPICA with the desired port protections and * Microsoft compatibility. @@ -301,8 +301,8 @@ AcpiHwValidateIoRequest ( if ((Address <= PortInfo->End) && (LastAddress >= PortInfo->Start)) { /* Port illegality may depend on the _OSI calls made by the BIOS */ - - if (AcpiGbl_OsiData >= PortInfo->OsiDependency) + if (PortInfo->OsiDependency == ACPI_ALWAYS_ILLEGAL || + AcpiGbl_OsiData == PortInfo->OsiDependency) { ACPI_DEBUG_PRINT ((ACPI_DB_VALUES, "Denied AML access to port 0x%8.8X%8.8X/%X (%s 0x%.4X-0x%.4X)\n", |