* Eduardo Habkost (ehabk...@redhat.com) wrote:
> Currently ram_block_discard_range() is called only by the postcopy code,
> using length=block->used_length. However, new code will use
> ram_block_discard_range() to discard the contents of the entire
> RAMBlock, so change the limit check to use max_length instead of
> used_length.
>
> Signed-off-by: Eduardo Habkost <ehabk...@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
> ---
> exec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/exec.c b/exec.c
> index a93e209625..585d6ed6d7 100644
> --- a/exec.c
> +++ b/exec.c
> @@ -3522,7 +3522,7 @@ int ram_block_discard_range(RAMBlock *rb, uint64_t
> start, size_t length)
> goto err;
> }
>
> - if ((start + length) <= rb->used_length) {
> + if ((start + length) <= rb->max_length) {
> uint8_t *host_endaddr = host_startaddr + length;
> if ((uintptr_t)host_endaddr & (rb->page_size - 1)) {
> error_report("ram_block_discard_range: Unaligned end address:
> %p",
> --
> 2.11.0.259.g40922b1
>
--
Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
