From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Juan Quintela <quintela@redhat.com>
Cc: Leonardo Bras <leobras@redhat.com>,
qemu-devel@nongnu.org, Peter Xu <peterx@redhat.com>
Subject: Re: [PATCH v3 16/23] multifd: Unfold "used" variable by its value
Date: Tue, 30 Nov 2021 10:45:41 +0000 [thread overview]
Message-ID: <YaYA1dtSWKzGVest@work-vm> (raw)
In-Reply-To: <20211124100617.19786-17-quintela@redhat.com>
* Juan Quintela (quintela@redhat.com) wrote:
> Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
> migration/multifd.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/migration/multifd.c b/migration/multifd.c
> index 65676d56fd..6983ba3e7c 100644
> --- a/migration/multifd.c
> +++ b/migration/multifd.c
> @@ -1059,7 +1059,6 @@ static void *multifd_recv_thread(void *opaque)
> rcu_register_thread();
>
> while (true) {
> - uint32_t used;
> uint32_t flags;
>
> if (p->quit) {
> @@ -1082,17 +1081,16 @@ static void *multifd_recv_thread(void *opaque)
> break;
> }
>
> - used = p->pages->num;
> flags = p->flags;
> /* recv methods don't know how to handle the SYNC flag */
> p->flags &= ~MULTIFD_FLAG_SYNC;
> - trace_multifd_recv(p->id, p->packet_num, used, flags,
> + trace_multifd_recv(p->id, p->packet_num, p->pages->num, flags,
> p->next_packet_size);
> p->num_packets++;
> - p->num_pages += used;
> + p->num_pages += p->pages->num;
> qemu_mutex_unlock(&p->mutex);
>
> - if (used) {
> + if (p->pages->num) {
> ret = multifd_recv_state->ops->recv_pages(p, &local_err);
> if (ret != 0) {
> break;
> --
> 2.33.1
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2021-11-30 10:50 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-24 10:05 [PATCH v3 00/23] Migration: Transmit and detect zero pages in the multifd threads Juan Quintela
2021-11-24 10:05 ` [PATCH v3 01/23] multifd: Delete useless operation Juan Quintela
2021-11-24 18:48 ` Dr. David Alan Gilbert
2021-11-25 7:24 ` Juan Quintela
2021-11-25 19:46 ` Dr. David Alan Gilbert
2021-11-26 9:39 ` Juan Quintela
2021-11-24 10:05 ` [PATCH v3 02/23] migration: Never call twice qemu_target_page_size() Juan Quintela
2021-11-24 18:52 ` Dr. David Alan Gilbert
2021-11-25 7:26 ` Juan Quintela
2021-11-24 10:05 ` [PATCH v3 03/23] multifd: Rename used field to num Juan Quintela
2021-11-24 19:37 ` Dr. David Alan Gilbert
2021-11-25 7:28 ` Juan Quintela
2021-11-25 18:30 ` Dr. David Alan Gilbert
2021-12-13 9:34 ` Zheng Chuan via
2021-12-13 15:17 ` Dr. David Alan Gilbert
2021-11-24 10:05 ` [PATCH v3 04/23] multifd: Add missing documention Juan Quintela
2021-11-25 18:38 ` Dr. David Alan Gilbert
2021-11-26 9:34 ` Juan Quintela
2021-11-24 10:05 ` [PATCH v3 05/23] multifd: The variable is only used inside the loop Juan Quintela
2021-11-25 18:40 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 06/23] multifd: remove used parameter from send_prepare() method Juan Quintela
2021-11-25 18:51 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 07/23] multifd: remove used parameter from send_recv_pages() method Juan Quintela
2021-11-25 18:53 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 08/23] multifd: Fill offset and block for reception Juan Quintela
2021-11-25 19:41 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 09/23] multifd: Make zstd compression method not use iovs Juan Quintela
2021-11-29 17:16 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 10/23] multifd: Make zlib " Juan Quintela
2021-11-29 17:30 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 11/23] multifd: Move iov from pages to params Juan Quintela
2021-11-29 17:52 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 12/23] multifd: Make zlib use iov's Juan Quintela
2021-11-29 18:01 ` Dr. David Alan Gilbert
2021-11-29 18:21 ` Juan Quintela
2021-11-24 10:06 ` [PATCH v3 13/23] multifd: Make zstd " Juan Quintela
2021-11-29 18:03 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 14/23] multifd: Remove send_write() method Juan Quintela
2021-11-29 18:19 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 15/23] multifd: Use a single writev on the send side Juan Quintela
2021-11-29 18:35 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 16/23] multifd: Unfold "used" variable by its value Juan Quintela
2021-11-30 10:45 ` Dr. David Alan Gilbert [this message]
2021-11-24 10:06 ` [PATCH v3 17/23] multifd: Use normal pages array on the send side Juan Quintela
2021-11-30 10:50 ` Dr. David Alan Gilbert
2021-11-30 12:01 ` Juan Quintela
2021-12-01 10:59 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 18/23] multifd: Use normal pages array on the recv side Juan Quintela
2021-12-07 7:11 ` Peter Xu
2021-12-10 10:41 ` Juan Quintela
2021-11-24 10:06 ` [PATCH v3 19/23] multifd: recv side only needs the RAMBlock host address Juan Quintela
2021-12-01 18:56 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 20/23] multifd: Rename pages_used to normal_pages Juan Quintela
2021-12-01 19:00 ` Dr. David Alan Gilbert
2021-11-24 10:06 ` [PATCH v3 21/23] multifd: Support for zero pages transmission Juan Quintela
2021-12-02 11:36 ` Dr. David Alan Gilbert
2021-12-02 12:08 ` Juan Quintela
2021-12-02 16:16 ` Dr. David Alan Gilbert
2021-12-02 16:19 ` Juan Quintela
2021-12-02 16:46 ` Dr. David Alan Gilbert
2021-12-02 16:52 ` Juan Quintela
2021-11-24 10:06 ` [PATCH v3 22/23] multifd: Zero " Juan Quintela
2021-12-02 16:42 ` Dr. David Alan Gilbert
2021-12-02 16:49 ` Juan Quintela
2021-11-24 10:06 ` [PATCH v3 23/23] migration: Use multifd before we check for the zero page Juan Quintela
2021-12-02 17:11 ` Dr. David Alan Gilbert
2021-12-02 17:38 ` Juan Quintela
2021-12-02 17:49 ` Dr. David Alan Gilbert
2021-12-07 7:30 ` Peter Xu
2021-12-13 9:03 ` Juan Quintela
2021-12-15 1:39 ` Peter Xu
2021-11-24 10:24 ` [PATCH v3 00/23] Migration: Transmit and detect zero pages in the multifd threads Peter Xu
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