From: David Hildenbrand <david@redhat.com>
To: qemu-devel@nongnu.org
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>,
Wei Yang <richard.weiyang@linux.alibaba.com>,
David Hildenbrand <david@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
Peter Xu <peterx@redhat.com>,
Luiz Capitulino <lcapitulino@redhat.com>,
Auger Eric <eric.auger@redhat.com>,
Alex Williamson <alex.williamson@redhat.com>,
teawater <teawaterz@linux.alibaba.com>,
Igor Mammedov <imammedo@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Marek Kedzierski <mkedzier@redhat.com>
Subject: [PATCH v1 8/9] virtio-mem: Require only coordinated discards
Date: Thu, 19 Nov 2020 16:39:17 +0100 [thread overview]
Message-ID: <20201119153918.120976-9-david@redhat.com> (raw)
In-Reply-To: <20201119153918.120976-1-david@redhat.com>
We implement the RamDiscardMgr interface and only require coordinated
discarding of RAM to work.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Auger Eric <eric.auger@redhat.com>
Cc: Wei Yang <richard.weiyang@linux.alibaba.com>
Cc: teawater <teawaterz@linux.alibaba.com>
Cc: Marek Kedzierski <mkedzier@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
hw/virtio/virtio-mem.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/hw/virtio/virtio-mem.c b/hw/virtio/virtio-mem.c
index 93257b6c26..932d386c37 100644
--- a/hw/virtio/virtio-mem.c
+++ b/hw/virtio/virtio-mem.c
@@ -687,7 +687,7 @@ static void virtio_mem_device_realize(DeviceState *dev, Error **errp)
return;
}
- if (ram_block_discard_require(true)) {
+ if (ram_block_coordinated_discard_require(true)) {
error_setg(errp, "Discarding RAM is disabled");
return;
}
@@ -695,7 +695,7 @@ static void virtio_mem_device_realize(DeviceState *dev, Error **errp)
ret = ram_block_discard_range(rb, 0, qemu_ram_get_used_length(rb));
if (ret) {
error_setg_errno(errp, -ret, "Unexpected error discarding RAM");
- ram_block_discard_require(false);
+ ram_block_coordinated_discard_require(false);
return;
}
@@ -738,7 +738,7 @@ static void virtio_mem_device_unrealize(DeviceState *dev)
virtio_del_queue(vdev, 0);
virtio_cleanup(vdev);
g_free(vmem->bitmap);
- ram_block_discard_require(false);
+ ram_block_coordinated_discard_require(false);
}
static int virtio_mem_discard_range_cb(const VirtIOMEM *vmem, void *arg,
--
2.26.2
next prev parent reply other threads:[~2020-11-19 15:57 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-19 15:39 [PATCH v1 0/9] virtio-mem: vfio support David Hildenbrand
2020-11-19 15:39 ` [PATCH v1 1/9] memory: Introduce RamDiscardMgr for RAM memory regions David Hildenbrand
2020-12-02 23:26 ` Alex Williamson
2020-12-03 10:04 ` David Hildenbrand
2020-11-19 15:39 ` [PATCH v1 2/9] virtio-mem: Factor out traversing unplugged ranges David Hildenbrand
2020-11-19 15:39 ` [PATCH v1 3/9] virtio-mem: Implement RamDiscardMgr interface David Hildenbrand
2020-11-19 15:39 ` [PATCH v1 4/9] vfio: Support for RamDiscardMgr in the !vIOMMU case David Hildenbrand
2020-12-02 23:26 ` Alex Williamson
2020-12-03 10:07 ` David Hildenbrand
2020-11-19 15:39 ` [PATCH v1 5/9] vfio: Support for RamDiscardMgr in the vIOMMU case David Hildenbrand
2020-11-19 15:39 ` [PATCH v1 6/9] softmmu/physmem: Don't use atomic operations in ram_block_discard_(disable|require) David Hildenbrand
2020-11-19 20:34 ` Peter Xu
2020-11-19 15:39 ` [PATCH v1 7/9] softmmu/physmem: Extend ram_block_discard_(require|disable) by two discard types David Hildenbrand
2020-11-19 15:39 ` David Hildenbrand [this message]
2020-11-30 17:20 ` [PATCH v1 8/9] virtio-mem: Require only coordinated discards Dr. David Alan Gilbert
2020-11-19 15:39 ` [PATCH v1 9/9] vfio: Disable only uncoordinated discards David Hildenbrand
2020-11-23 11:31 ` [PATCH v1 0/9] virtio-mem: vfio support David Hildenbrand
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