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[PULL 12/13] raven: disable reentrancy detection for iomem
From: |
Thomas Huth |
Subject: |
[PULL 12/13] raven: disable reentrancy detection for iomem |
Date: |
Fri, 28 Apr 2023 11:43:45 +0200 |
From: Alexander Bulekov <alxndr@bu.edu>
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>
---
hw/pci-host/raven.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/pci-host/raven.c b/hw/pci-host/raven.c
index 072ffe3c5e..9a11ac4b2b 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);
--
2.31.1
- [PULL 01/13] s390x/gdb: Split s390-virt.xml, (continued)
- [PULL 01/13] s390x/gdb: Split s390-virt.xml, Thomas Huth, 2023/04/28
- [PULL 03/13] hw/rdma: Compile target-independent parts of the rdma code only once, Thomas Huth, 2023/04/28
- [PULL 06/13] memory: prevent dma-reentracy issues, Thomas Huth, 2023/04/28
- [PULL 05/13] tests: vhost-user-test: release mutex on protocol violation, Thomas Huth, 2023/04/28
- [PULL 07/13] async: Add an optional reentrancy guard to the BH API, Thomas Huth, 2023/04/28
- [PULL 04/13] hw/rdma: VMW_PVRDMA should depend on VMXNET3_PCI, Thomas Huth, 2023/04/28
- [PULL 02/13] hw/rdma: Remove unused macros PG_DIR_SZ and PG_TBL_SZ, Thomas Huth, 2023/04/28
- [PULL 08/13] checkpatch: add qemu_bh_new/aio_bh_new checks, Thomas Huth, 2023/04/28
- [PULL 09/13] hw: replace most qemu_bh_new calls with qemu_bh_new_guarded, Thomas Huth, 2023/04/28
- [PULL 13/13] apic: disable reentrancy detection for apic-msi, Thomas Huth, 2023/04/28
- [PULL 12/13] raven: disable reentrancy detection for iomem,
Thomas Huth <=
- [PULL 10/13] lsi53c895a: disable reentrancy detection for script RAM, Thomas Huth, 2023/04/28
- [PULL 11/13] bcm2835_property: disable reentrancy detection for iomem, Thomas Huth, 2023/04/28
- Re: [PULL 00/13] DMA reentrancy fixes and other misc patches, Richard Henderson, 2023/04/28