diff options
Diffstat (limited to 'exec.c')
| -rw-r--r-- | exec.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/exec.c b/exec.c index e8d7b335b6..4d8addb263 100644 --- a/exec.c +++ b/exec.c @@ -1285,7 +1285,7 @@ static int subpage_register (subpage_t *mmio, uint32_t start, uint32_t end, uint16_t section); static subpage_t *subpage_init(FlatView *fv, hwaddr base); -static void *(*phys_mem_alloc)(size_t size, uint64_t *align) = +static void *(*phys_mem_alloc)(size_t size, uint64_t *align, bool shared) = qemu_anon_ram_alloc; /* @@ -1293,7 +1293,7 @@ static void *(*phys_mem_alloc)(size_t size, uint64_t *align) = * Accelerators with unusual needs may need this. Hopefully, we can * get rid of it eventually. */ -void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align)) +void phys_mem_set_alloc(void *(*alloc)(size_t, uint64_t *align, bool shared)) { phys_mem_alloc = alloc; } @@ -1921,7 +1921,7 @@ static void dirty_memory_extend(ram_addr_t old_ram_size, } } -static void ram_block_add(RAMBlock *new_block, Error **errp) +static void ram_block_add(RAMBlock *new_block, Error **errp, bool shared) { RAMBlock *block; RAMBlock *last_block = NULL; @@ -1944,7 +1944,7 @@ static void ram_block_add(RAMBlock *new_block, Error **errp) } } else { new_block->host = phys_mem_alloc(new_block->max_length, - &new_block->mr->align); + &new_block->mr->align, shared); if (!new_block->host) { error_setg_errno(errp, errno, "cannot set up guest memory '%s'", @@ -2049,7 +2049,7 @@ RAMBlock *qemu_ram_alloc_from_fd(ram_addr_t size, MemoryRegion *mr, return NULL; } - ram_block_add(new_block, &local_err); + ram_block_add(new_block, &local_err, share); if (local_err) { g_free(new_block); error_propagate(errp, local_err); @@ -2091,7 +2091,7 @@ RAMBlock *qemu_ram_alloc_internal(ram_addr_t size, ram_addr_t max_size, void (*resized)(const char*, uint64_t length, void *host), - void *host, bool resizeable, + void *host, bool resizeable, bool share, MemoryRegion *mr, Error **errp) { RAMBlock *new_block; @@ -2114,7 +2114,7 @@ RAMBlock *qemu_ram_alloc_internal(ram_addr_t size, ram_addr_t max_size, if (resizeable) { new_block->flags |= RAM_RESIZEABLE; } - ram_block_add(new_block, &local_err); + ram_block_add(new_block, &local_err, share); if (local_err) { g_free(new_block); error_propagate(errp, local_err); @@ -2126,12 +2126,15 @@ RAMBlock *qemu_ram_alloc_internal(ram_addr_t size, ram_addr_t max_size, RAMBlock *qemu_ram_alloc_from_ptr(ram_addr_t size, void *host, MemoryRegion *mr, Error **errp) { - return qemu_ram_alloc_internal(size, size, NULL, host, false, mr, errp); + return qemu_ram_alloc_internal(size, size, NULL, host, false, + false, mr, errp); } -RAMBlock *qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr, Error **errp) +RAMBlock *qemu_ram_alloc(ram_addr_t size, bool share, + MemoryRegion *mr, Error **errp) { - return qemu_ram_alloc_internal(size, size, NULL, NULL, false, mr, errp); + return qemu_ram_alloc_internal(size, size, NULL, NULL, false, + share, mr, errp); } RAMBlock *qemu_ram_alloc_resizeable(ram_addr_t size, ram_addr_t maxsz, @@ -2140,7 +2143,8 @@ RAMBlock *qemu_ram_alloc_resizeable(ram_addr_t size, ram_addr_t maxsz, void *host), MemoryRegion *mr, Error **errp) { - return qemu_ram_alloc_internal(size, maxsz, resized, NULL, true, mr, errp); + return qemu_ram_alloc_internal(size, maxsz, resized, NULL, true, + false, mr, errp); } static void reclaim_ramblock(RAMBlock *block) |