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| author | Alexander Bulekov <alxndr@bu.edu> | 2023-04-27 17:10:12 -0400 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2023-04-28 11:31:54 +0200 |
| commit | 6dad5a6810d9c60ca320d01276f6133bbcfa1fc7 (patch) | |
| tree | 43dea22af3f6c3375b0d226d69ea2c0624649ea2 /hw | |
| parent | 985c4a4e547afb9573b6bd6843d20eb2c3d1d1cd (diff) | |
| download | qemu-6dad5a6810d9c60ca320d01276f6133bbcfa1fc7.zip qemu-6dad5a6810d9c60ca320d01276f6133bbcfa1fc7.tar.gz qemu-6dad5a6810d9c60ca320d01276f6133bbcfa1fc7.tar.bz2 | |
raven: disable reentrancy detection for iomem
As the code is designed for re-entrant calls from raven_io_ops to
pci-conf, mark raven_io_ops as reentrancy-safe.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20230427211013.2994127-8-alxndr@bu.edu>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/pci-host/raven.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/pci-host/raven.c b/hw/pci-host/raven.c index 072ffe3..9a11ac4 100644 --- a/hw/pci-host/raven.c +++ b/hw/pci-host/raven.c @@ -294,6 +294,13 @@ static void raven_pcihost_initfn(Object *obj) memory_region_init(&s->pci_memory, obj, "pci-memory", 0x3f000000); address_space_init(&s->pci_io_as, &s->pci_io, "raven-io"); + /* + * Raven's raven_io_ops use the address-space API to access pci-conf-idx + * (which is also owned by the raven device). As such, mark the + * pci_io_non_contiguous as re-entrancy safe. + */ + s->pci_io_non_contiguous.disable_reentrancy_guard = true; + /* CPU address space */ memory_region_add_subregion(address_space_mem, PCI_IO_BASE_ADDR, &s->pci_io); |