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authorChen, Gong <gong.chen@linux.intel.com>2014-12-10 13:53:26 -0800
committerTony Luck <tony.luck@intel.com>2014-12-15 11:36:37 -0800
commitd91525eb8ee6a622ce476955fe1a2530ade87c83 (patch)
tree75eecf93cf2dacc5fa18152272caa1159b15952e /arch/score
parentb2776bf7149bddd1f4161f14f79520f17fc1d71d (diff)
ACPI, EINJ: Enhance error injection tolerance level
Some BIOSes utilize PCI MMCFG space read/write opertion to trigger specific errors. EINJ will report errors as below when hitting such cases: APEI: Can not request [mem 0x83f990a0-0x83f990a3] for APEI EINJ Trigger registers It is because on x86 platform ACPI based PCI MMCFG logic has reserved all MMCFG spaces so that EINJ can't reserve it again. We already trust the ACPI/APEI code when using the EINJ interface so it is not a big leap to also trust it to access the right MMCFG addresses. Skip address checking to allow the access. Signed-off-by: Chen, Gong <gong.chen@linux.intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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