diff options
| -rw-r--r-- | backends/hostmem.c | 18 | ||||
| -rw-r--r-- | exec.c | 5 | ||||
| -rw-r--r-- | include/sysemu/hostmem.h | 2 | ||||
| -rw-r--r-- | target/ppc/kvm.c | 6 |
4 files changed, 23 insertions, 8 deletions
diff --git a/backends/hostmem.c b/backends/hostmem.c index f61093654e..6a0c474222 100644 --- a/backends/hostmem.c +++ b/backends/hostmem.c @@ -18,6 +18,7 @@ #include "qapi/visitor.h" #include "qemu/config-file.h" #include "qom/object_interfaces.h" +#include "qemu/mmap-alloc.h" #ifdef CONFIG_NUMA #include <numaif.h> @@ -262,6 +263,23 @@ bool host_memory_backend_is_mapped(HostMemoryBackend *backend) return backend->is_mapped; } +#ifdef __linux__ +size_t host_memory_backend_pagesize(HostMemoryBackend *memdev) +{ + Object *obj = OBJECT(memdev); + char *path = object_property_get_str(obj, "mem-path", NULL); + size_t pagesize = qemu_mempath_getpagesize(path); + + g_free(path); + return pagesize; +} +#else +size_t host_memory_backend_pagesize(HostMemoryBackend *memdev) +{ + return getpagesize(); +} +#endif + static void host_memory_backend_memory_complete(UserCreatable *uc, Error **errp) { @@ -1491,9 +1491,8 @@ static int find_max_supported_pagesize(Object *obj, void *opaque) long *hpsize_min = opaque; if (object_dynamic_cast(obj, TYPE_MEMORY_BACKEND)) { - char *mem_path = object_property_get_str(obj, "mem-path", NULL); - long hpsize = qemu_mempath_getpagesize(mem_path); - g_free(mem_path); + long hpsize = host_memory_backend_pagesize(MEMORY_BACKEND(obj)); + if (hpsize < *hpsize_min) { *hpsize_min = hpsize; } diff --git a/include/sysemu/hostmem.h b/include/sysemu/hostmem.h index 47bc9846ac..bc36899bb8 100644 --- a/include/sysemu/hostmem.h +++ b/include/sysemu/hostmem.h @@ -68,4 +68,6 @@ MemoryRegion *host_memory_backend_get_memory(HostMemoryBackend *backend, void host_memory_backend_set_mapped(HostMemoryBackend *backend, bool mapped); bool host_memory_backend_is_mapped(HostMemoryBackend *backend); +size_t host_memory_backend_pagesize(HostMemoryBackend *memdev); + #endif diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index e24fa50dc9..f62f7ac288 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -496,11 +496,7 @@ static void kvm_fixup_page_sizes(PowerPCCPU *cpu) bool kvmppc_is_mem_backend_page_size_ok(const char *obj_path) { Object *mem_obj = object_resolve_path(obj_path, NULL); - char *mempath = object_property_get_str(mem_obj, "mem-path", NULL); - long pagesize; - - pagesize = qemu_mempath_getpagesize(mempath); - g_free(mempath); + long pagesize = host_memory_backend_pagesize(MEMORY_BACKEND(mem_obj)); return pagesize >= max_cpu_page_size; } |