diff options
Diffstat (limited to 'exec.c')
| -rw-r--r-- | exec.c | 49 |
1 files changed, 26 insertions, 23 deletions
@@ -353,13 +353,13 @@ static MemoryRegionSection *address_space_lookup_region(AddressSpaceDispatch *d, hwaddr addr, bool resolve_subpage) { - MemoryRegionSection *section = atomic_read(&d->mru_section); + MemoryRegionSection *section = qatomic_read(&d->mru_section); subpage_t *subpage; if (!section || section == &d->map.sections[PHYS_SECTION_UNASSIGNED] || !section_covers_addr(section, addr)) { section = phys_page_find(d, addr); - atomic_set(&d->mru_section, section); + qatomic_set(&d->mru_section, section); } if (resolve_subpage && section->mr->subpage) { subpage = container_of(section->mr, subpage_t, iomem); @@ -695,7 +695,8 @@ address_space_translate_for_iotlb(CPUState *cpu, int asidx, hwaddr addr, IOMMUMemoryRegionClass *imrc; IOMMUTLBEntry iotlb; int iommu_idx; - AddressSpaceDispatch *d = atomic_rcu_read(&cpu->cpu_ases[asidx].memory_dispatch); + AddressSpaceDispatch *d = + qatomic_rcu_read(&cpu->cpu_ases[asidx].memory_dispatch); for (;;) { section = address_space_translate_internal(d, addr, &addr, plen, false); @@ -1247,7 +1248,7 @@ static RAMBlock *qemu_get_ram_block(ram_addr_t addr) { RAMBlock *block; - block = atomic_rcu_read(&ram_list.mru_block); + block = qatomic_rcu_read(&ram_list.mru_block); if (block && addr - block->offset < block->max_length) { return block; } @@ -1273,7 +1274,7 @@ found: * call_rcu(reclaim_ramblock, xxx); * rcu_read_unlock() * - * atomic_rcu_set is not needed here. The block was already published + * qatomic_rcu_set is not needed here. The block was already published * when it was placed into the list. Here we're just making an extra * copy of the pointer. */ @@ -1321,7 +1322,7 @@ bool cpu_physical_memory_test_and_clear_dirty(ram_addr_t start, page = start_page; WITH_RCU_READ_LOCK_GUARD() { - blocks = atomic_rcu_read(&ram_list.dirty_memory[client]); + blocks = qatomic_rcu_read(&ram_list.dirty_memory[client]); ramblock = qemu_get_ram_block(start); /* Range sanity check on the ramblock */ assert(start >= ramblock->offset && @@ -1371,7 +1372,7 @@ DirtyBitmapSnapshot *cpu_physical_memory_snapshot_and_clear_dirty dest = 0; WITH_RCU_READ_LOCK_GUARD() { - blocks = atomic_rcu_read(&ram_list.dirty_memory[client]); + blocks = qatomic_rcu_read(&ram_list.dirty_memory[client]); while (page < end) { unsigned long idx = page / DIRTY_MEMORY_BLOCK_SIZE; @@ -2207,7 +2208,7 @@ static void dirty_memory_extend(ram_addr_t old_ram_size, DirtyMemoryBlocks *new_blocks; int j; - old_blocks = atomic_rcu_read(&ram_list.dirty_memory[i]); + old_blocks = qatomic_rcu_read(&ram_list.dirty_memory[i]); new_blocks = g_malloc(sizeof(*new_blocks) + sizeof(new_blocks->blocks[0]) * new_num_blocks); @@ -2220,7 +2221,7 @@ static void dirty_memory_extend(ram_addr_t old_ram_size, new_blocks->blocks[j] = bitmap_new(DIRTY_MEMORY_BLOCK_SIZE); } - atomic_rcu_set(&ram_list.dirty_memory[i], new_blocks); + qatomic_rcu_set(&ram_list.dirty_memory[i], new_blocks); if (old_blocks) { g_free_rcu(old_blocks, rcu); @@ -2667,7 +2668,7 @@ RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset, } RCU_READ_LOCK_GUARD(); - block = atomic_rcu_read(&ram_list.mru_block); + block = qatomic_rcu_read(&ram_list.mru_block); if (block && block->host && host - block->host < block->max_length) { goto found; } @@ -2912,7 +2913,7 @@ MemoryRegionSection *iotlb_to_section(CPUState *cpu, { int asidx = cpu_asidx_from_attrs(cpu, attrs); CPUAddressSpace *cpuas = &cpu->cpu_ases[asidx]; - AddressSpaceDispatch *d = atomic_rcu_read(&cpuas->memory_dispatch); + AddressSpaceDispatch *d = qatomic_rcu_read(&cpuas->memory_dispatch); MemoryRegionSection *sections = d->map.sections; return §ions[index & ~TARGET_PAGE_MASK]; @@ -2996,7 +2997,7 @@ static void tcg_commit(MemoryListener *listener) * may have split the RCU critical section. */ d = address_space_to_dispatch(cpuas->as); - atomic_rcu_set(&cpuas->memory_dispatch, d); + qatomic_rcu_set(&cpuas->memory_dispatch, d); tlb_flush(cpuas->cpu); } @@ -3443,7 +3444,7 @@ void cpu_register_map_client(QEMUBH *bh) qemu_mutex_lock(&map_client_list_lock); client->bh = bh; QLIST_INSERT_HEAD(&map_client_list, client, link); - if (!atomic_read(&bounce.in_use)) { + if (!qatomic_read(&bounce.in_use)) { cpu_notify_map_clients_locked(); } qemu_mutex_unlock(&map_client_list_lock); @@ -3577,7 +3578,7 @@ void *address_space_map(AddressSpace *as, mr = flatview_translate(fv, addr, &xlat, &l, is_write, attrs); if (!memory_access_is_direct(mr, is_write)) { - if (atomic_xchg(&bounce.in_use, true)) { + if (qatomic_xchg(&bounce.in_use, true)) { *plen = 0; return NULL; } @@ -3636,7 +3637,7 @@ void address_space_unmap(AddressSpace *as, void *buffer, hwaddr len, qemu_vfree(bounce.buffer); bounce.buffer = NULL; memory_region_unref(bounce.mr); - atomic_mb_set(&bounce.in_use, false); + qatomic_mb_set(&bounce.in_use, false); cpu_notify_map_clients(); } @@ -4105,16 +4106,17 @@ int ram_block_discard_disable(bool state) int old; if (!state) { - atomic_dec(&ram_block_discard_disabled); + qatomic_dec(&ram_block_discard_disabled); return 0; } do { - old = atomic_read(&ram_block_discard_disabled); + old = qatomic_read(&ram_block_discard_disabled); if (old < 0) { return -EBUSY; } - } while (atomic_cmpxchg(&ram_block_discard_disabled, old, old + 1) != old); + } while (qatomic_cmpxchg(&ram_block_discard_disabled, + old, old + 1) != old); return 0; } @@ -4123,27 +4125,28 @@ int ram_block_discard_require(bool state) int old; if (!state) { - atomic_inc(&ram_block_discard_disabled); + qatomic_inc(&ram_block_discard_disabled); return 0; } do { - old = atomic_read(&ram_block_discard_disabled); + old = qatomic_read(&ram_block_discard_disabled); if (old > 0) { return -EBUSY; } - } while (atomic_cmpxchg(&ram_block_discard_disabled, old, old - 1) != old); + } while (qatomic_cmpxchg(&ram_block_discard_disabled, + old, old - 1) != old); return 0; } bool ram_block_discard_is_disabled(void) { - return atomic_read(&ram_block_discard_disabled) > 0; + return qatomic_read(&ram_block_discard_disabled) > 0; } bool ram_block_discard_is_required(void) { - return atomic_read(&ram_block_discard_disabled) < 0; + return qatomic_read(&ram_block_discard_disabled) < 0; } #endif |