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| author | Huacai Chen <chenhuacai@loongson.cn> | 2025-04-03 12:07:56 +0800 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2025-04-17 15:26:46 -0500 |
| commit | 1f3303aa92e15fa273779acac2d0023609de30f1 (patch) | |
| tree | 780ba7a9ec7d1d2ad3407659fee23521ad7f7a78 /tools/perf/scripts/python/gecko.py | |
| parent | 0af2f6be1b4281385b618cb86ad946eded089ac8 (diff) | |
PCI: Add ACS quirk for Loongson PCIe
Loongson PCIe Root Ports don't advertise an ACS capability, but they do not
allow peer-to-peer transactions between Root Ports. Add an ACS quirk so
each Root Port can be in a separate IOMMU group.
Signed-off-by: Xianglai Li <lixianglai@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250403040756.720409-1-chenhuacai@loongson.cn
Diffstat (limited to 'tools/perf/scripts/python/gecko.py')
0 files changed, 0 insertions, 0 deletions