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xen: do not use __-named variables in mapcache 

Keep the namespace clean.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
This commit is contained in:
Paolo Bonzini 2015-01-14 11:20:55 +01:00 committed by Stefano Stabellini
parent 3996e85c18
commit 9b6d7b365d
1 changed files with 20 additions and 20 deletions
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40
xen-mapcache.c
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@ -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) {