On Tue, 17 Feb 2015 11:05:36 +0100 "Michael S. Tsirkin" <[email protected]> wrote:
> 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]> Reviewed-by: Igor Mammedov <[email protected]> > --- > exec.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/exec.c b/exec.c > index 6b79ad1..2433406 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; > }
