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authorKevin Tian <kevin.tian@intel.com>2026-08-05 07:43:04 +0800
committerJoerg Roedel <joerg.roedel@amd.com>2026-08-10 10:04:06 +0200
commit03ff2ad8306df200c15858be2d6d31c6b3f9ef4e (patch)
treed4629c91dd5c7c99c1e1ce9a5b9f03b33e8d2825 /tools/perf/scripts/python/stackcollapse.py
parent98c8a9809b1c978db0bae4d21b21fa795099ce26 (diff)
iommu/vt-d: Call dmar_can_force_on() for tboot opt-in
So the policy of requesting ACS in detect_intel_iommu() is consistent with that in tboot_force_iommu(). Though tboot is the strongest override so far, dmar_can_force_on() may return false due to future extensions. In this case panic the kernel, as is already done when failing to initialize DMA remapping for tboot. No functional impact at this point. Signed-off-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
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