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authorPaolo Bonzini <pbonzini@redhat.com>2015-01-21 12:09:14 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2015-02-16 17:30:19 +0100
commit79e2b9aeccedbfde762b05da662132c7fda292be (patch)
treebf4d111dcb48864e149d2414dde293bdf92b0ef4 /hw/ppc/spapr_iommu.c
parent9d82b5a792236db31a75b9db5c93af69ac07c7c5 (diff)
downloadfocaccia-qemu-79e2b9aeccedbfde762b05da662132c7fda292be.tar.gz
focaccia-qemu-79e2b9aeccedbfde762b05da662132c7fda292be.zip
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/ppc/spapr_iommu.c')
-rw-r--r--hw/ppc/spapr_iommu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c
index da474740c0..ba003da39e 100644
--- a/hw/ppc/spapr_iommu.c
+++ b/hw/ppc/spapr_iommu.c
@@ -59,6 +59,7 @@ static sPAPRTCETable *spapr_tce_find_by_liobn(uint32_t liobn)
     return NULL;
 }
 
+/* Called from RCU critical section */
 static IOMMUTLBEntry spapr_tce_translate_iommu(MemoryRegion *iommu, hwaddr addr,
                                                bool is_write)
 {