From: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
To: David Hildenbrand <david@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Linux MM <linux-mm@kvack.org>,
virtualization@lists.linux-foundation.org,
Andrew Morton <akpm@linux-foundation.org>,
"Michael S . Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>
Subject: Re: [PATCH v1 07/29] virtio-mem: generalize virtio_mem_overlaps_range()
Date: Tue, 20 Oct 2020 11:22:45 +0200 [thread overview]
Message-ID: <CAM9Jb+iiLy-7BB7J3S2yiEhWpn1VxKG_VuwGK82gq0+=8QvQKw@mail.gmail.com> (raw)
In-Reply-To: <20201012125323.17509-8-david@redhat.com>
> Avoid using memory block ids. While at it, use uint64_t for
> address/size.
>
> Cc: "Michael S. Tsirkin" <mst@redhat.com>
> Cc: Jason Wang <jasowang@redhat.com>
> Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
> Signed-off-by: David Hildenbrand <david@redhat.com>
> ---
> drivers/virtio/virtio_mem.c | 10 +++-------
> 1 file changed, 3 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c
> index 821143db14fe..37a0e338ae4a 100644
> --- a/drivers/virtio/virtio_mem.c
> +++ b/drivers/virtio/virtio_mem.c
> @@ -489,14 +489,10 @@ static int virtio_mem_translate_node_id(struct virtio_mem *vm, uint16_t node_id)
> * Test if a virtio-mem device overlaps with the given range. Can be called
> * from (notifier) callbacks lockless.
> */
> -static bool virtio_mem_overlaps_range(struct virtio_mem *vm,
> - unsigned long start, unsigned long size)
> +static bool virtio_mem_overlaps_range(struct virtio_mem *vm, uint64_t start,
> + uint64_t size)
> {
> - unsigned long dev_start = virtio_mem_mb_id_to_phys(vm->first_mb_id);
> - unsigned long dev_end = virtio_mem_mb_id_to_phys(vm->last_mb_id) +
> - memory_block_size_bytes();
> -
> - return start < dev_end && dev_start < start + size;
> + return start < vm->addr + vm->region_size && vm->addr < start + size;
> }
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
next prev parent reply other threads:[~2020-10-20 9:22 UTC|newest]
Thread overview: 175+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-12 12:52 [PATCH v1 00/29] virtio-mem: Big Block Mode (BBM) David Hildenbrand
2020-10-12 12:52 ` David Hildenbrand
2020-10-12 12:52 ` [PATCH v1 01/29] virtio-mem: determine nid only once using memory_add_physaddr_to_nid() David Hildenbrand
2020-10-12 12:52 ` David Hildenbrand
2020-10-15 3:56 ` Wei Yang
2020-10-15 19:26 ` Pankaj Gupta
2020-10-15 19:26 ` Pankaj Gupta
2020-10-12 12:52 ` [PATCH v1 02/29] virtio-mem: simplify calculation in virtio_mem_mb_state_prepare_next_mb() David Hildenbrand
2020-10-12 12:52 ` David Hildenbrand
2020-10-15 4:02 ` Wei Yang
2020-10-15 8:00 ` David Hildenbrand
2020-10-15 8:00 ` David Hildenbrand
2020-10-15 10:00 ` Wei Yang
2020-10-15 10:01 ` David Hildenbrand
2020-10-15 10:01 ` David Hildenbrand
2020-10-15 20:24 ` Pankaj Gupta
2020-10-15 20:24 ` Pankaj Gupta
2020-10-16 9:00 ` David Hildenbrand
2020-10-16 9:00 ` David Hildenbrand
2020-10-12 12:52 ` [PATCH v1 03/29] virtio-mem: simplify MAX_ORDER - 1 / pageblock_order handling David Hildenbrand
2020-10-12 12:52 ` David Hildenbrand
2020-10-15 7:06 ` Wei Yang
2020-10-12 12:52 ` [PATCH v1 04/29] virtio-mem: drop rc2 in virtio_mem_mb_plug_and_add() David Hildenbrand
2020-10-12 12:52 ` David Hildenbrand
2020-10-12 13:09 ` Pankaj Gupta
2020-10-12 13:09 ` Pankaj Gupta
2020-10-15 7:14 ` Wei Yang
2020-10-12 12:52 ` [PATCH v1 05/29] virtio-mem: generalize check for added memory David Hildenbrand
2020-10-12 12:52 ` David Hildenbrand
2020-10-15 8:28 ` Wei Yang
2020-10-15 8:50 ` David Hildenbrand
2020-10-15 8:50 ` David Hildenbrand
2020-10-16 2:16 ` Wei Yang
2020-10-16 9:11 ` David Hildenbrand
2020-10-16 9:11 ` David Hildenbrand
2020-10-16 10:02 ` Wei Yang
2020-10-16 10:32 ` David Hildenbrand
2020-10-16 10:32 ` David Hildenbrand
2020-10-16 22:38 ` Wei Yang
2020-10-17 7:39 ` David Hildenbrand
2020-10-17 7:39 ` David Hildenbrand
2020-10-18 12:27 ` Wei Yang
2020-10-16 22:39 ` Wei Yang
2020-10-12 12:53 ` [PATCH v1 06/29] virtio-mem: generalize virtio_mem_owned_mb() David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-15 8:32 ` Wei Yang
2020-10-15 8:37 ` David Hildenbrand
2020-10-15 8:37 ` David Hildenbrand
2020-10-15 20:30 ` Pankaj Gupta
2020-10-15 20:30 ` Pankaj Gupta
2020-10-12 12:53 ` [PATCH v1 07/29] virtio-mem: generalize virtio_mem_overlaps_range() David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-20 9:22 ` Pankaj Gupta [this message]
2020-10-20 9:22 ` Pankaj Gupta
2020-10-12 12:53 ` [PATCH v1 08/29] virtio-mem: drop last_mb_id David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-15 8:35 ` Wei Yang
2020-10-15 20:32 ` Pankaj Gupta
2020-10-15 20:32 ` Pankaj Gupta
2020-10-12 12:53 ` [PATCH v1 09/29] virtio-mem: don't always trigger the workqueue when offlining memory David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-16 4:03 ` Wei Yang
2020-10-16 9:18 ` David Hildenbrand
2020-10-16 9:18 ` David Hildenbrand
2020-10-18 3:57 ` Wei Yang
2020-10-19 9:04 ` David Hildenbrand
2020-10-19 9:04 ` David Hildenbrand
2020-10-20 0:41 ` Wei Yang
2020-10-20 9:09 ` David Hildenbrand
2020-10-20 9:09 ` David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 10/29] virtio-mem: generalize handling when memory is getting onlined deferred David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 11/29] virtio-mem: use "unsigned long" for nr_pages when fake onlining/offlining David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-15 20:31 ` Pankaj Gupta
2020-10-15 20:31 ` Pankaj Gupta
2020-10-16 6:11 ` Wei Yang
2020-10-12 12:53 ` [PATCH v1 12/29] virtio-mem: factor out fake-offlining into virtio_mem_fake_offline() David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-16 6:24 ` Wei Yang
2020-10-20 9:31 ` Pankaj Gupta
2020-10-20 9:31 ` Pankaj Gupta
2020-10-12 12:53 ` [PATCH v1 13/29] virtio-mem: factor out handling of fake-offline pages in memory notifier David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-16 7:15 ` Wei Yang
2020-10-16 8:00 ` Wei Yang
2020-10-16 8:57 ` David Hildenbrand
2020-10-16 8:57 ` David Hildenbrand
2020-10-18 12:37 ` Wei Yang
2020-10-18 12:38 ` Wei Yang
2020-10-12 12:53 ` [PATCH v1 14/29] virtio-mem: retry fake-offlining via alloc_contig_range() on ZONE_MOVABLE David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 15/29] virito-mem: document Sub Block Mode (SBM) David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-15 9:33 ` David Hildenbrand
2020-10-15 9:33 ` David Hildenbrand
2020-10-20 9:38 ` Pankaj Gupta
2020-10-20 9:38 ` Pankaj Gupta
2020-10-16 8:03 ` Wei Yang
2020-10-12 12:53 ` [PATCH v1 16/29] virtio-mem: memory block states are specific to " David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-16 8:40 ` Wei Yang
2020-10-16 8:43 ` Wei Yang
2020-10-20 9:48 ` Pankaj Gupta
2020-10-20 9:48 ` Pankaj Gupta
2020-10-12 12:53 ` [PATCH v1 17/29] virito-mem: subblock " David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-16 8:43 ` Wei Yang
2020-10-20 9:54 ` Pankaj Gupta
2020-10-20 9:54 ` Pankaj Gupta
2020-10-12 12:53 ` [PATCH v1 18/29] virtio-mem: factor out calculation of the bit number within the sb_states bitmap David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-16 8:46 ` Wei Yang
2020-10-20 9:58 ` Pankaj Gupta
2020-10-20 9:58 ` Pankaj Gupta
2020-10-12 12:53 ` [PATCH v1 19/29] virito-mem: existing (un)plug functions are specific to Sub Block Mode (SBM) David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-16 8:49 ` Wei Yang
2020-10-12 12:53 ` [PATCH v1 20/29] virtio-mem: nb_sb_per_mb and subblock_size " David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-16 8:51 ` Wei Yang
2020-10-16 8:53 ` Wei Yang
2020-10-16 13:17 ` David Hildenbrand
2020-10-16 13:17 ` David Hildenbrand
2020-10-18 12:41 ` Wei Yang
2020-10-19 11:57 ` David Hildenbrand
2020-10-19 11:57 ` David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 21/29] virtio-mem: memory notifier callbacks " David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-19 1:57 ` Wei Yang
2020-10-19 10:22 ` David Hildenbrand
2020-10-19 10:22 ` David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 22/29] virtio-mem: memory block ids " David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-16 8:54 ` Wei Yang
2020-10-12 12:53 ` [PATCH v1 23/29] virtio-mem: factor out adding/removing memory from Linux David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-16 8:59 ` Wei Yang
2020-10-12 12:53 ` [PATCH v1 24/29] virtio-mem: print debug messages from virtio_mem_send_*_request() David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-16 9:07 ` Wei Yang
2020-10-12 12:53 ` [PATCH v1 25/29] virtio-mem: Big Block Mode (BBM) memory hotplug David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-16 9:38 ` Wei Yang
2020-10-16 13:13 ` David Hildenbrand
2020-10-16 13:13 ` David Hildenbrand
2020-10-19 2:26 ` Wei Yang
2020-10-19 9:15 ` David Hildenbrand
2020-10-19 9:15 ` David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 26/29] virtio-mem: allow to force Big Block Mode (BBM) and set the big block size David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 27/29] mm/memory_hotplug: extend offline_and_remove_memory() to handle more than one memory block David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-15 13:08 ` Michael S. Tsirkin
2020-10-15 13:08 ` Michael S. Tsirkin
2020-10-19 3:22 ` Wei Yang
2020-10-12 12:53 ` [PATCH v1 28/29] virtio-mem: Big Block Mode (BBM) - basic memory hotunplug David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-19 3:48 ` Wei Yang
2020-10-19 9:12 ` David Hildenbrand
2020-10-19 9:12 ` David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 29/29] virtio-mem: Big Block Mode (BBM) - safe " David Hildenbrand
2020-10-12 12:53 ` David Hildenbrand
2020-10-19 7:54 ` Wei Yang
2020-10-19 8:50 ` David Hildenbrand
2020-10-19 8:50 ` David Hildenbrand
2020-10-20 0:23 ` Wei Yang
2020-10-20 0:24 ` Wei Yang
2020-10-18 12:49 ` [PATCH v1 00/29] virtio-mem: Big Block Mode (BBM) Wei Yang
2020-10-18 16:35 ` David Hildenbrand
2020-10-18 16:35 ` David Hildenbrand
2020-10-18 15:29 ` Michael S. Tsirkin
2020-10-18 15:29 ` Michael S. Tsirkin
2020-10-18 16:34 ` David Hildenbrand
2020-10-18 16:34 ` David Hildenbrand
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAM9Jb+iiLy-7BB7J3S2yiEhWpn1VxKG_VuwGK82gq0+=8QvQKw@mail.gmail.com' \
--to=pankaj.gupta.linux@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=david@redhat.com \
--cc=jasowang@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mst@redhat.com \
--cc=virtualization@lists.linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.