From: David Hildenbrand <david@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
"Michael S . Tsirkin" <mst@redhat.com>,
David Hildenbrand <david@redhat.com>,
Jason Wang <jasowang@redhat.com>,
Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Subject: [PATCH v2 23/29] virtio-mem: memory notifier callbacks are specific to Sub Block Mode (SBM)
Date: Thu, 12 Nov 2020 14:38:09 +0100 [thread overview]
Message-ID: <20201112133815.13332-24-david@redhat.com> (raw)
In-Reply-To: <20201112133815.13332-1-david@redhat.com>
Let's rename accordingly.
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 | 29 +++++++++++++++--------------
1 file changed, 15 insertions(+), 14 deletions(-)
diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c
index ec81f9d4bccf..cdcf67e55a56 100644
--- a/drivers/virtio/virtio_mem.c
+++ b/drivers/virtio/virtio_mem.c
@@ -587,8 +587,8 @@ static bool virtio_mem_contains_range(struct virtio_mem *vm, uint64_t start,
return start >= vm->addr && start + size <= vm->addr + vm->region_size;
}
-static int virtio_mem_notify_going_online(struct virtio_mem *vm,
- unsigned long mb_id)
+static int virtio_mem_sbm_notify_going_online(struct virtio_mem *vm,
+ unsigned long mb_id)
{
switch (virtio_mem_sbm_get_mb_state(vm, mb_id)) {
case VIRTIO_MEM_SBM_MB_OFFLINE_PARTIAL:
@@ -602,8 +602,8 @@ static int virtio_mem_notify_going_online(struct virtio_mem *vm,
return NOTIFY_BAD;
}
-static void virtio_mem_notify_offline(struct virtio_mem *vm,
- unsigned long mb_id)
+static void virtio_mem_sbm_notify_offline(struct virtio_mem *vm,
+ unsigned long mb_id)
{
switch (virtio_mem_sbm_get_mb_state(vm, mb_id)) {
case VIRTIO_MEM_SBM_MB_ONLINE_PARTIAL:
@@ -620,7 +620,8 @@ static void virtio_mem_notify_offline(struct virtio_mem *vm,
}
}
-static void virtio_mem_notify_online(struct virtio_mem *vm, unsigned long mb_id)
+static void virtio_mem_sbm_notify_online(struct virtio_mem *vm,
+ unsigned long mb_id)
{
switch (virtio_mem_sbm_get_mb_state(vm, mb_id)) {
case VIRTIO_MEM_SBM_MB_OFFLINE_PARTIAL:
@@ -637,8 +638,8 @@ static void virtio_mem_notify_online(struct virtio_mem *vm, unsigned long mb_id)
}
}
-static void virtio_mem_notify_going_offline(struct virtio_mem *vm,
- unsigned long mb_id)
+static void virtio_mem_sbm_notify_going_offline(struct virtio_mem *vm,
+ unsigned long mb_id)
{
const unsigned long nr_pages = PFN_DOWN(vm->sbm.sb_size);
unsigned long pfn;
@@ -653,8 +654,8 @@ static void virtio_mem_notify_going_offline(struct virtio_mem *vm,
}
}
-static void virtio_mem_notify_cancel_offline(struct virtio_mem *vm,
- unsigned long mb_id)
+static void virtio_mem_sbm_notify_cancel_offline(struct virtio_mem *vm,
+ unsigned long mb_id)
{
const unsigned long nr_pages = PFN_DOWN(vm->sbm.sb_size);
unsigned long pfn;
@@ -714,7 +715,7 @@ static int virtio_mem_memory_notifier_cb(struct notifier_block *nb,
break;
}
vm->hotplug_active = true;
- virtio_mem_notify_going_offline(vm, mb_id);
+ virtio_mem_sbm_notify_going_offline(vm, mb_id);
break;
case MEM_GOING_ONLINE:
mutex_lock(&vm->hotplug_mutex);
@@ -724,10 +725,10 @@ static int virtio_mem_memory_notifier_cb(struct notifier_block *nb,
break;
}
vm->hotplug_active = true;
- rc = virtio_mem_notify_going_online(vm, mb_id);
+ rc = virtio_mem_sbm_notify_going_online(vm, mb_id);
break;
case MEM_OFFLINE:
- virtio_mem_notify_offline(vm, mb_id);
+ virtio_mem_sbm_notify_offline(vm, mb_id);
atomic64_add(size, &vm->offline_size);
/*
@@ -741,7 +742,7 @@ static int virtio_mem_memory_notifier_cb(struct notifier_block *nb,
mutex_unlock(&vm->hotplug_mutex);
break;
case MEM_ONLINE:
- virtio_mem_notify_online(vm, mb_id);
+ virtio_mem_sbm_notify_online(vm, mb_id);
atomic64_sub(size, &vm->offline_size);
/*
@@ -760,7 +761,7 @@ static int virtio_mem_memory_notifier_cb(struct notifier_block *nb,
case MEM_CANCEL_OFFLINE:
if (!vm->hotplug_active)
break;
- virtio_mem_notify_cancel_offline(vm, mb_id);
+ virtio_mem_sbm_notify_cancel_offline(vm, mb_id);
vm->hotplug_active = false;
mutex_unlock(&vm->hotplug_mutex);
break;
--
2.26.2
next prev parent reply other threads:[~2020-11-12 13:40 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-12 13:37 [PATCH v2 00/29] virtio-mem: Big Block Mode (BBM) David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 01/29] virtio-mem: determine nid only once using memory_add_physaddr_to_nid() David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 02/29] virtio-mem: more precise calculation in virtio_mem_mb_state_prepare_next_mb() David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 03/29] virtio-mem: simplify MAX_ORDER - 1 / pageblock_order handling David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 04/29] virtio-mem: drop rc2 in virtio_mem_mb_plug_and_add() David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 05/29] virtio-mem: use "unsigned long" for nr_pages when fake onlining/offlining David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 06/29] virtio-mem: factor out calculation of the bit number within the subblock bitmap David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 07/29] virtio-mem: print debug messages from virtio_mem_send_*_request() David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 08/29] virtio-mem: factor out fake-offlining into virtio_mem_fake_offline() David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 09/29] virtio-mem: factor out handling of fake-offline pages in memory notifier David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 10/29] virtio-mem: retry fake-offlining via alloc_contig_range() on ZONE_MOVABLE David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 11/29] virtio-mem: generalize check for added memory David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 12/29] virtio-mem: generalize virtio_mem_owned_mb() David Hildenbrand
2020-11-12 13:37 ` [PATCH v2 13/29] virtio-mem: generalize virtio_mem_overlaps_range() David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 14/29] virtio-mem: drop last_mb_id David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 15/29] virtio-mem: don't always trigger the workqueue when offlining memory David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 16/29] virtio-mem: generalize handling when memory is getting onlined deferred David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 17/29] virito-mem: document Sub Block Mode (SBM) David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 18/29] virtio-mem: memory block states are specific to " David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 19/29] virito-mem: subblock " David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 20/29] virtio-mem: nb_sb_per_mb and subblock_size " David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 21/29] virtio-mem: memory block ids " David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 22/29] virito-mem: existing (un)plug functions " David Hildenbrand
2020-11-12 13:38 ` David Hildenbrand [this message]
2020-11-12 13:38 ` [PATCH v2 24/29] virtio-mem: factor out adding/removing memory from Linux David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 25/29] virtio-mem: Big Block Mode (BBM) memory hotplug David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 26/29] virtio-mem: allow to force Big Block Mode (BBM) and set the big block size David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 27/29] mm/memory_hotplug: extend offline_and_remove_memory() to handle more than one memory block David Hildenbrand
2020-11-18 4:53 ` Andrew Morton
2020-11-18 8:59 ` David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 28/29] virtio-mem: Big Block Mode (BBM) - basic memory hotunplug David Hildenbrand
2020-11-12 13:38 ` [PATCH v2 29/29] virtio-mem: Big Block Mode (BBM) - safe " David Hildenbrand
2020-11-18 9:00 ` [PATCH v2 00/29] virtio-mem: Big Block Mode (BBM) Michael S. Tsirkin
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