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| author | kib <kib@FreeBSD.org> | 2015-03-01 10:29:48 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2015-03-01 10:29:48 +0000 |
| commit | 28c8a09abb9139876eddfc8356ff95d11a76c524 (patch) | |
| tree | f58794a4535914f6cc20f3320b8577a83b092791 /sys/x86 | |
| parent | 8882db8870fcd94fca831da0651e180ccdc148e3 (diff) | |
| download | FreeBSD-src-28c8a09abb9139876eddfc8356ff95d11a76c524.zip FreeBSD-src-28c8a09abb9139876eddfc8356ff95d11a76c524.tar.gz | |
MFC r276867:
Fix DMAR context allocations for the devices behind PCIe->PCI bridges
after dmar driver was converted to use rids. The bus component to
calculate context page must be taken from the requestor rid, which is
a bridge, and not from the device bus number.
Diffstat (limited to 'sys/x86')
| -rw-r--r-- | sys/x86/iommu/intel_ctx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/x86/iommu/intel_ctx.c b/sys/x86/iommu/intel_ctx.c index d6123be..7062de5 100644 --- a/sys/x86/iommu/intel_ctx.c +++ b/sys/x86/iommu/intel_ctx.c @@ -290,7 +290,7 @@ dmar_get_ctx(struct dmar_unit *dmar, device_t dev, uint16_t rid, bool id_mapped, * higher chance to succeed if the sleep is allowed. */ DMAR_UNLOCK(dmar); - dmar_ensure_ctx_page(dmar, bus); + dmar_ensure_ctx_page(dmar, PCI_RID2BUS(rid)); ctx1 = dmar_get_ctx_alloc(dmar, rid); if (id_mapped) { |
