From: David Hildenbrand <david@redhat.com>
To: Wei Yang <richard.weiyang@linux.alibaba.com>
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH v1 09/29] virtio-mem: don't always trigger the workqueue when offlining memory
Date: Tue, 20 Oct 2020 11:09:09 +0200 [thread overview]
Message-ID: <b5f8164e-9441-a74c-778b-7a2b08eb6b90@redhat.com> (raw)
In-Reply-To: <20201020004130.GB61232@L-31X9LVDL-1304.local>
>> So, you'll keep retrying forever. Found while debugging that exact issue :)
>>
>
> If this is the case, my suggestion is to record it in the changelog.
> Otherwise, we may lose this corner case which is important to this change.
Yes, already added it - thanks!
--
Thanks,
David / dhildenb
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next prev parent reply other threads:[~2020-10-20 9:09 UTC|newest]
Thread overview: 52+ 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 ` [PATCH v1 01/29] virtio-mem: determine nid only once using memory_add_physaddr_to_nid() David Hildenbrand
2020-10-12 12:52 ` [PATCH v1 02/29] virtio-mem: simplify calculation in virtio_mem_mb_state_prepare_next_mb() David Hildenbrand
[not found] ` <20201015040204.GB86495@L-31X9LVDL-1304.local>
2020-10-15 8:00 ` David Hildenbrand
[not found] ` <20201015100009.GH86495@L-31X9LVDL-1304.local>
2020-10-15 10:01 ` David Hildenbrand
[not found] ` <CAM9Jb+h=2Wg3qAggjAfBf7yyvL9HU6xns7_giJfw6smkCAJ6SQ@mail.gmail.com>
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 ` [PATCH v1 04/29] virtio-mem: drop rc2 in virtio_mem_mb_plug_and_add() David Hildenbrand
2020-10-12 12:52 ` [PATCH v1 05/29] virtio-mem: generalize check for added memory David Hildenbrand
[not found] ` <20201015082808.GE86495@L-31X9LVDL-1304.local>
2020-10-15 8:50 ` David Hildenbrand
[not found] ` <20201016021651.GI86495@L-31X9LVDL-1304.local>
2020-10-16 9:11 ` David Hildenbrand
[not found] ` <20201016100211.GI44269@L-31X9LVDL-1304.local>
2020-10-16 10:32 ` David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 06/29] virtio-mem: generalize virtio_mem_owned_mb() David Hildenbrand
[not found] ` <20201015083234.GF86495@L-31X9LVDL-1304.local>
2020-10-15 8:37 ` David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 07/29] virtio-mem: generalize virtio_mem_overlaps_range() David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 08/29] virtio-mem: drop last_mb_id David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 09/29] virtio-mem: don't always trigger the workqueue when offlining memory David Hildenbrand
[not found] ` <20201016040301.GJ86495@L-31X9LVDL-1304.local>
2020-10-16 9:18 ` David Hildenbrand
[not found] ` <20201018035725.GA50506@L-31X9LVDL-1304>
2020-10-19 9:04 ` David Hildenbrand
[not found] ` <20201020004130.GB61232@L-31X9LVDL-1304.local>
2020-10-20 9:09 ` David Hildenbrand [this message]
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 ` [PATCH v1 11/29] virtio-mem: use "unsigned long" for nr_pages when fake onlining/offlining David Hildenbrand
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 ` [PATCH v1 13/29] virtio-mem: factor out handling of fake-offline pages in memory notifier David Hildenbrand
[not found] ` <20201016071502.GM86495@L-31X9LVDL-1304.local>
[not found] ` <20201016080046.GA43862@L-31X9LVDL-1304.local>
2020-10-16 8:57 ` David Hildenbrand
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 ` [PATCH v1 15/29] virito-mem: document Sub Block Mode (SBM) David Hildenbrand
2020-10-15 9:33 ` David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 16/29] virtio-mem: memory block states are specific to " David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 17/29] virito-mem: subblock " David Hildenbrand
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 ` [PATCH v1 19/29] virito-mem: existing (un)plug functions are specific to Sub Block Mode (SBM) David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 20/29] virtio-mem: nb_sb_per_mb and subblock_size " David Hildenbrand
[not found] ` <20201016085319.GD44269@L-31X9LVDL-1304.local>
2020-10-16 13:17 ` David Hildenbrand
[not found] ` <20201018124104.GD50506@L-31X9LVDL-1304>
2020-10-19 11:57 ` David Hildenbrand
2020-10-12 12:53 ` [PATCH v1 21/29] virtio-mem: memory notifier callbacks " David Hildenbrand
[not found] ` <20201019015724.GA54484@L-31X9LVDL-1304.local>
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 ` [PATCH v1 23/29] virtio-mem: factor out adding/removing memory from Linux David Hildenbrand
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 ` [PATCH v1 25/29] virtio-mem: Big Block Mode (BBM) memory hotplug David Hildenbrand
[not found] ` <20201016093835.GH44269@L-31X9LVDL-1304.local>
2020-10-16 13:13 ` David Hildenbrand
[not found] ` <20201019022630.GB54484@L-31X9LVDL-1304.local>
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 ` [PATCH v1 27/29] mm/memory_hotplug: extend offline_and_remove_memory() to handle more than one memory block David Hildenbrand
2020-10-15 13:08 ` Michael S. Tsirkin
2020-10-12 12:53 ` [PATCH v1 28/29] virtio-mem: Big Block Mode (BBM) - basic memory hotunplug David Hildenbrand
[not found] ` <20201019034817.GD54484@L-31X9LVDL-1304.local>
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
[not found] ` <20201019075406.GE54484@L-31X9LVDL-1304.local>
2020-10-19 8:50 ` David Hildenbrand
2020-10-18 15:29 ` [PATCH v1 00/29] virtio-mem: Big Block Mode (BBM) Michael S. Tsirkin
2020-10-18 16:34 ` David Hildenbrand
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