diff options
| author | Alexander Bulekov <alxndr@bu.edu> | 2023-04-27 17:10:10 -0400 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2023-09-10 19:38:01 +0300 |
| commit | db43c7db206427ff5f6cbc7116c66d6cc6e81385 (patch) | |
| tree | 0b06343a774be6fad71816807755bb8bac2bc14a /hw/scsi | |
| parent | fd9de51ea3f109d427bced84d80815a97bb7faa0 (diff) | |
lsi53c895a: disable reentrancy detection for script RAM
As the code is designed to use the memory APIs to access the script ram,
disable reentrancy checks for the pseudo-RAM ram_io MemoryRegion.
In the future, ram_io may be converted from an IO to a proper RAM MemoryRegion.
Reported-by: Fiona Ebner <f.ebner@proxmox.com>
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-Id: <20230427211013.2994127-6-alxndr@bu.edu>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit bfd6e7ae6a72b84e2eb9574f56e6ec037f05182c)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'hw/scsi')
| -rw-r--r-- | hw/scsi/lsi53c895a.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/scsi/lsi53c895a.c b/hw/scsi/lsi53c895a.c index bbf32d3f73..17af67935f 100644 --- a/hw/scsi/lsi53c895a.c +++ b/hw/scsi/lsi53c895a.c @@ -2313,6 +2313,12 @@ static void lsi_scsi_realize(PCIDevice *dev, Error **errp) memory_region_init_io(&s->io_io, OBJECT(s), &lsi_io_ops, s, "lsi-io", 256); + /* + * Since we use the address-space API to interact with ram_io, disable the + * re-entrancy guard. + */ + s->ram_io.disable_reentrancy_guard = true; + address_space_init(&s->pci_io_as, pci_address_space_io(dev), "lsi-pci-io"); qdev_init_gpio_out(d, &s->ext_irq, 1); |