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* Prevent reentrant DMA accesses by default

Browse source 
* Only compile hw/rdma code when necessary
 * Fix a potential locking issue in the vhost-user-test
 * Offer more registers in GDB for s390x TCG
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Merge tag 'pull-request-2023-04-28' of https://gitlab.com/thuth/qemu into staging

* Prevent reentrant DMA accesses by default
* Only compile hw/rdma code when necessary
* Fix a potential locking issue in the vhost-user-test
* Offer more registers in GDB for s390x TCG

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# gpg: Signature made Fri 28 Apr 2023 10:39:05 AM BST
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [undefined]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [undefined]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2023-04-28' of https://gitlab.com/thuth/qemu:
  apic: disable reentrancy detection for apic-msi
  raven: disable reentrancy detection for iomem
  bcm2835_property: disable reentrancy detection for iomem
  lsi53c895a: disable reentrancy detection for script RAM
  hw: replace most qemu_bh_new calls with qemu_bh_new_guarded
  checkpatch: add qemu_bh_new/aio_bh_new checks
  async: Add an optional reentrancy guard to the BH API
  memory: prevent dma-reentracy issues
  tests: vhost-user-test: release mutex on protocol violation
  hw/rdma: VMW_PVRDMA should depend on VMXNET3_PCI
  hw/rdma: Compile target-independent parts of the rdma code only once
  hw/rdma: Remove unused macros PG_DIR_SZ and PG_TBL_SZ
  s390x/gdb: Split s390-virt.xml

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-04-28 10:55:56 +01:00
commit 2074424ef6
49 changed files with 250 additions and 76 deletions
Download patch file Download diff file Expand all files Collapse all files

7
include/qemu/main-loop.h
View file

@ -387,9 +387,12 @@ void qemu_cond_timedwait_iothread(QemuCond *cond, int ms);
/* internal interfaces */
#define qemu_bh_new_guarded(cb, opaque, guard) \
qemu_bh_new_full((cb), (opaque), (stringify(cb)), guard)
#define qemu_bh_new(cb, opaque) \
qemu_bh_new_full((cb), (opaque), (stringify(cb)))
QEMUBH *qemu_bh_new_full(QEMUBHFunc *cb, void *opaque, const char *name);
qemu_bh_new_full((cb), (opaque), (stringify(cb)), NULL)
QEMUBH *qemu_bh_new_full(QEMUBHFunc *cb, void *opaque, const char *name,
MemReentrancyGuard *reentrancy_guard);
void qemu_bh_schedule_idle(QEMUBH *bh);
enum {