diff options
| author | Alexey Kardashevskiy <aik@ozlabs.ru> | 2017-09-21 18:50:53 +1000 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-09-21 23:19:37 +0200 |
| commit | e76bb18f7e430e0c50fb38d051feacf268bd78f4 (patch) | |
| tree | 52f84a82d88fe48c0d09b304056d95ac958ce967 /exec.c | |
| parent | 447b0d0b9ee8a0ac216c3186e0f3c427a1001f0c (diff) | |
exec: Explicitly export target AS from address_space_translate_internal
This adds an AS** parameter to address_space_do_translate()
to make it easier for the next patch to share FlatViews.
This should cause no behavioural change.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-Id: <20170921085110.25598-2-aik@ozlabs.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'exec.c')
| -rw-r--r-- | exec.c | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -476,7 +476,8 @@ static MemoryRegionSection address_space_do_translate(AddressSpace *as, hwaddr *xlat, hwaddr *plen, bool is_write, - bool is_mmio) + bool is_mmio, + AddressSpace **target_as) { IOMMUTLBEntry iotlb; MemoryRegionSection *section; @@ -503,6 +504,7 @@ static MemoryRegionSection address_space_do_translate(AddressSpace *as, } as = iotlb.target_as; + *target_as = iotlb.target_as; } *xlat = addr; @@ -525,7 +527,7 @@ IOMMUTLBEntry address_space_get_iotlb_entry(AddressSpace *as, hwaddr addr, /* This can never be MMIO. */ section = address_space_do_translate(as, addr, &xlat, &plen, - is_write, false); + is_write, false, &as); /* Illegal translation */ if (section.mr == &io_mem_unassigned) { @@ -548,7 +550,7 @@ IOMMUTLBEntry address_space_get_iotlb_entry(AddressSpace *as, hwaddr addr, plen -= 1; return (IOMMUTLBEntry) { - .target_as = section.address_space, + .target_as = as, .iova = addr & ~plen, .translated_addr = xlat & ~plen, .addr_mask = plen, @@ -569,7 +571,8 @@ MemoryRegion *address_space_translate(AddressSpace *as, hwaddr addr, MemoryRegionSection section; /* This can be MMIO, so setup MMIO bit. */ - section = address_space_do_translate(as, addr, xlat, plen, is_write, true); + section = address_space_do_translate(as, addr, xlat, plen, is_write, true, + &as); mr = section.mr; if (xen_enabled() && memory_access_is_direct(mr, is_write)) { |