The branch main has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=3807c8be4645d7f02c5253aa88b193000e6aef09
commit 3807c8be4645d7f02c5253aa88b193000e6aef09 Author: John Baldwin <[email protected]> AuthorDate: 2026-08-26 19:30:37 +0000 Commit: John Baldwin <[email protected]> CommitDate: 2026-08-26 19:30:37 +0000 bhyve: Don't set the prefetch flag for large 64-bit memory BARs The only device model that can create a large 64-bit memory BAR is the passthru device model, and that device model reuses the lobits of the existing BAR explicitly. Fixes: e87a6f3ef284 ("bhyve: use physical lobits for BARs of passthru devices") --- usr.sbin/bhyve/pci_emul.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/usr.sbin/bhyve/pci_emul.c b/usr.sbin/bhyve/pci_emul.c index 7637049f0dd9..c5498a5e57fa 100644 --- a/usr.sbin/bhyve/pci_emul.c +++ b/usr.sbin/bhyve/pci_emul.c @@ -918,8 +918,7 @@ pci_emul_assign_bar(struct pci_devinst *const pdi, const int idx, baseptr = &pci_emul_membase64; limit = pci_emul_memlim64; mask = PCIM_BAR_MEM_BASE; - lobits = PCIM_BAR_MEM_SPACE | PCIM_BAR_MEM_64 | - PCIM_BAR_MEM_PREFETCH; + lobits = PCIM_BAR_MEM_SPACE | PCIM_BAR_MEM_64; } else { baseptr = &pci_emul_membase32; limit = PCI_EMUL_MEMLIMIT32;
