diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-01-21 12:09:14 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-02-16 17:30:19 +0100 |
| commit | 79e2b9aeccedbfde762b05da662132c7fda292be (patch) | |
| tree | bf4d111dcb48864e149d2414dde293bdf92b0ef4 /hw/i386/intel_iommu.c | |
| parent | 9d82b5a792236db31a75b9db5c93af69ac07c7c5 (diff) | |
exec: RCUify AddressSpaceDispatch
Note that even after this patch, most callers of address_space_*
functions must still be under the big QEMU lock, otherwise the memory
region returned by address_space_translate can disappear as soon as
address_space_translate returns. This will be fixed in the next part
of this series.
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/i386/intel_iommu.c')
| -rw-r--r-- | hw/i386/intel_iommu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 0a4282adf3..7da70ff349 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -745,6 +745,9 @@ static inline bool vtd_is_interrupt_addr(hwaddr addr) /* Map dev to context-entry then do a paging-structures walk to do a iommu * translation. + * + * Called from RCU critical section. + * * @bus_num: The bus number * @devfn: The devfn, which is the combined of device and function number * @is_write: The access is a write operation |