diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2017-04-03 13:41:28 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-04-03 13:41:53 +0200 |
| commit | 90c4fe5fc517a045e7a7cf2f23472e114042ca29 (patch) | |
| tree | 19eda0848f917747f9cf6f8d3027e375f9e96de6 /include | |
| parent | cc1e13913916f755fd2dc5041b8d4bf25d3ea88e (diff) | |
| download | qemu-90c4fe5fc517a045e7a7cf2f23472e114042ca29.tar.gz | |
exec: revert MemoryRegionCache
MemoryRegionCache did not know about virtio support for IOMMUs (because the
two features were developed at the same time). Revert MemoryRegionCache
to "normal" address_space_* operations for 2.9, as it is simpler than
undoing the virtio patches.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/exec/memory.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index e39256ad03..f20b191793 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -1426,13 +1426,11 @@ void stq_be_phys(AddressSpace *as, hwaddr addr, uint64_t val); struct MemoryRegionCache { hwaddr xlat; - void *ptr; hwaddr len; - MemoryRegion *mr; - bool is_write; + AddressSpace *as; }; -#define MEMORY_REGION_CACHE_INVALID ((MemoryRegionCache) { .mr = NULL }) +#define MEMORY_REGION_CACHE_INVALID ((MemoryRegionCache) { .as = NULL }) /* address_space_cache_init: prepare for repeated access to a physical * memory region @@ -1688,7 +1686,7 @@ address_space_read_cached(MemoryRegionCache *cache, hwaddr addr, void *buf, int len) { assert(addr < cache->len && len <= cache->len - addr); - memcpy(buf, cache->ptr + addr, len); + address_space_read(cache->as, cache->xlat + addr, MEMTXATTRS_UNSPECIFIED, buf, len); } /** @@ -1704,7 +1702,7 @@ address_space_write_cached(MemoryRegionCache *cache, hwaddr addr, void *buf, int len) { assert(addr < cache->len && len <= cache->len - addr); - memcpy(cache->ptr + addr, buf, len); + address_space_write(cache->as, cache->xlat + addr, MEMTXATTRS_UNSPECIFIED, buf, len); } #endif |