diff options
Diffstat (limited to 'exec.c')
| -rw-r--r-- | exec.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/exec.c b/exec.c index 0a6dd2e836..a3dfd1d096 100644 --- a/exec.c +++ b/exec.c @@ -749,6 +749,18 @@ static int subpage_register (subpage_t *mmio, uint32_t start, uint32_t end, uint16_t section); static subpage_t *subpage_init(AddressSpace *as, hwaddr base); +static void *(*phys_mem_alloc)(ram_addr_t size) = qemu_anon_ram_alloc; + +/* + * Set a custom physical guest memory alloator. + * Accelerators with unusual needs may need this. Hopefully, we can + * get rid of it eventually. + */ +void phys_mem_set_alloc(void *(*alloc)(ram_addr_t)) +{ + phys_mem_alloc = alloc; +} + static uint16_t phys_section_add(MemoryRegionSection *section) { /* The physical section number is ORed with a page-aligned @@ -1124,12 +1136,7 @@ ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host, #endif } if (!new_block->host) { - if (kvm_enabled()) { - /* some s390/kvm configurations have special constraints */ - new_block->host = kvm_ram_alloc(size); - } else { - new_block->host = qemu_anon_ram_alloc(size); - } + new_block->host = phys_mem_alloc(size); memory_try_enable_merging(new_block->host, size); } } |