diff options
| -rw-r--r-- | xen-mapcache.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/xen-mapcache.c b/xen-mapcache.c index 66da1a6d47..458069b705 100644 --- a/xen-mapcache.c +++ b/xen-mapcache.c @@ -199,8 +199,8 @@ uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size, MapCacheEntry *entry, *pentry = NULL; hwaddr address_index; hwaddr address_offset; - hwaddr __size = size; - hwaddr __test_bit_size = size; + hwaddr cache_size = size; + hwaddr test_bit_size; bool translated = false; tryagain: @@ -209,22 +209,22 @@ tryagain: trace_xen_map_cache(phys_addr); - /* __test_bit_size is always a multiple of XC_PAGE_SIZE */ + /* test_bit_size is always a multiple of XC_PAGE_SIZE */ if (size) { - __test_bit_size = size + (phys_addr & (XC_PAGE_SIZE - 1)); + test_bit_size = size + (phys_addr & (XC_PAGE_SIZE - 1)); - if (__test_bit_size % XC_PAGE_SIZE) { - __test_bit_size += XC_PAGE_SIZE - (__test_bit_size % XC_PAGE_SIZE); + if (test_bit_size % XC_PAGE_SIZE) { + test_bit_size += XC_PAGE_SIZE - (test_bit_size % XC_PAGE_SIZE); } } else { - __test_bit_size = XC_PAGE_SIZE; + test_bit_size = XC_PAGE_SIZE; } if (mapcache->last_entry != NULL && mapcache->last_entry->paddr_index == address_index && - !lock && !__size && + !lock && !size && test_bits(address_offset >> XC_PAGE_SHIFT, - __test_bit_size >> XC_PAGE_SHIFT, + test_bit_size >> XC_PAGE_SHIFT, mapcache->last_entry->valid_mapping)) { trace_xen_map_cache_return(mapcache->last_entry->vaddr_base + address_offset); return mapcache->last_entry->vaddr_base + address_offset; @@ -232,20 +232,20 @@ tryagain: /* size is always a multiple of MCACHE_BUCKET_SIZE */ if (size) { - __size = size + address_offset; - if (__size % MCACHE_BUCKET_SIZE) { - __size += MCACHE_BUCKET_SIZE - (__size % MCACHE_BUCKET_SIZE); + cache_size = size + address_offset; + if (cache_size % MCACHE_BUCKET_SIZE) { + cache_size += MCACHE_BUCKET_SIZE - (cache_size % MCACHE_BUCKET_SIZE); } } else { - __size = MCACHE_BUCKET_SIZE; + cache_size = MCACHE_BUCKET_SIZE; } entry = &mapcache->entry[address_index % mapcache->nr_buckets]; while (entry && entry->lock && entry->vaddr_base && - (entry->paddr_index != address_index || entry->size != __size || + (entry->paddr_index != address_index || entry->size != cache_size || !test_bits(address_offset >> XC_PAGE_SHIFT, - __test_bit_size >> XC_PAGE_SHIFT, + test_bit_size >> XC_PAGE_SHIFT, entry->valid_mapping))) { pentry = entry; entry = entry->next; @@ -253,19 +253,19 @@ tryagain: if (!entry) { entry = g_malloc0(sizeof (MapCacheEntry)); pentry->next = entry; - xen_remap_bucket(entry, __size, address_index); + xen_remap_bucket(entry, cache_size, address_index); } else if (!entry->lock) { if (!entry->vaddr_base || entry->paddr_index != address_index || - entry->size != __size || + entry->size != cache_size || !test_bits(address_offset >> XC_PAGE_SHIFT, - __test_bit_size >> XC_PAGE_SHIFT, + test_bit_size >> XC_PAGE_SHIFT, entry->valid_mapping)) { - xen_remap_bucket(entry, __size, address_index); + xen_remap_bucket(entry, cache_size, address_index); } } if(!test_bits(address_offset >> XC_PAGE_SHIFT, - __test_bit_size >> XC_PAGE_SHIFT, + test_bit_size >> XC_PAGE_SHIFT, entry->valid_mapping)) { mapcache->last_entry = NULL; if (!translated && mapcache->phys_offset_to_gaddr) { |