Block size must fundamentally be a multiple of target page size. Aligning automatically removes need to worry about the alignment from callers.
Note: the only caller of qemu_ram_resize (acpi) already happens to have size padded to a power of 2, but we would like to drop the padding in ACPI core, and don't want to expose target page size knowledge to ACPI. Signed-off-by: Michael S. Tsirkin <[email protected]> Acked-by: Paolo Bonzini <[email protected]> --- exec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/exec.c b/exec.c index 6dff7bc..878dc54 100644 --- a/exec.c +++ b/exec.c @@ -1298,6 +1298,8 @@ int qemu_ram_resize(ram_addr_t base, ram_addr_t newsize, Error **errp) assert(block); + newsize = TARGET_PAGE_ALIGN(newsize); + if (block->used_length == newsize) { return 0; } -- MST
