[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] memory: Do not update coalesced IO range in the
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH] memory: Do not update coalesced IO range in the case of NOP |
Date: |
Mon, 11 Feb 2019 15:12:35 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 |
On 05/02/19 23:50, Jagannathan Raman wrote:
> Do not add/del coalesced IO ranges in the case where the
> same FlatRanges are present in both old and new FlatViews
>
> Fixes: 3ac7d43a6fbb ("memory: update coalesced_range on transaction_commit")
> Signed-off-by: Jagannathan Raman <address@hidden>
> ---
> memory.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/memory.c b/memory.c
> index 61d66e4..e49369d 100644
> --- a/memory.c
> +++ b/memory.c
> @@ -932,9 +932,7 @@ static void
> address_space_update_topology_pass(AddressSpace *as,
> } else if (frold && frnew && flatrange_equal(frold, frnew)) {
> /* In both and unchanged (except logging may have changed) */
>
> - if (!adding) {
> - flat_range_coalesced_io_del(frold, as);
> - } else {
> + if (adding) {
> MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward,
> region_nop);
> if (frnew->dirty_log_mask & ~frold->dirty_log_mask) {
> MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward,
> log_start,
> @@ -946,7 +944,6 @@ static void
> address_space_update_topology_pass(AddressSpace *as,
> frold->dirty_log_mask,
> frnew->dirty_log_mask);
> }
> - flat_range_coalesced_io_add(frnew, as);
> }
>
> ++iold;
>
Queued, thanks.
Paolo