From: David Hildenbrand <david@redhat.com>
To: qemu-devel@nongnu.org
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>,
Alex Williamson <alex.williamson@redhat.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>,
Marek Kedzierski <mkedzier@redhat.com>,
Auger Eric <eric.auger@redhat.com>,
Pankaj Gupta <pankaj.gupta@cloud.ionos.com>,
teawater <teawaterz@linux.alibaba.com>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Igor Mammedov <imammedo@redhat.com>
Subject: [PATCH v5 10/11] virtio-mem: Require only coordinated discards
Date: Thu, 21 Jan 2021 12:05:39 +0100 [thread overview]
Message-ID: <20210121110540.33704-11-david@redhat.com> (raw)
In-Reply-To: <20210121110540.33704-1-david@redhat.com>
We implement the RamDiscardMgr interface and only require coordinated
discarding of RAM to work.
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta@cloud.ionos.com>
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 f419a758f3..99d0712195 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,
--
2.29.2
next prev parent reply other threads:[~2021-01-21 11:11 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-21 11:05 [PATCH v5 00/11] virtio-mem: vfio support David Hildenbrand
2021-01-21 11:05 ` [PATCH v5 01/11] memory: Introduce RamDiscardMgr for RAM memory regions David Hildenbrand
2021-02-16 18:50 ` David Hildenbrand
2021-01-21 11:05 ` [PATCH v5 02/11] virtio-mem: Factor out traversing unplugged ranges David Hildenbrand
2021-01-21 11:05 ` [PATCH v5 03/11] virtio-mem: Implement RamDiscardMgr interface David Hildenbrand
2021-01-27 20:14 ` Dr. David Alan Gilbert
2021-01-27 20:20 ` David Hildenbrand
2021-02-22 11:29 ` David Hildenbrand
2021-01-21 11:05 ` [PATCH v5 04/11] vfio: Support for RamDiscardMgr in the !vIOMMU case David Hildenbrand
2021-01-21 11:05 ` [PATCH v5 05/11] vfio: Query and store the maximum number of possible DMA mappings David Hildenbrand
2021-01-21 11:05 ` [PATCH v5 06/11] vfio: Sanity check maximum number of DMA mappings with RamDiscardMgr David Hildenbrand
2021-02-16 18:34 ` Alex Williamson
2021-01-21 11:05 ` [PATCH v5 07/11] vfio: Support for RamDiscardMgr in the vIOMMU case David Hildenbrand
2021-02-16 18:34 ` Alex Williamson
2021-01-21 11:05 ` [PATCH v5 08/11] softmmu/physmem: Don't use atomic operations in ram_block_discard_(disable|require) David Hildenbrand
2021-01-21 11:05 ` [PATCH v5 09/11] softmmu/physmem: Extend ram_block_discard_(require|disable) by two discard types David Hildenbrand
2021-01-21 11:05 ` David Hildenbrand [this message]
2021-01-21 11:05 ` [PATCH v5 11/11] vfio: Disable only uncoordinated discards for VFIO_TYPE1 iommus David Hildenbrand
2021-02-16 19:03 ` Alex Williamson
2021-01-27 12:45 ` [PATCH v5 00/11] virtio-mem: vfio support Michael S. Tsirkin
2021-02-08 8:28 ` David Hildenbrand
2021-02-15 14:03 ` David Hildenbrand
2021-02-16 18:33 ` Alex Williamson
2021-02-16 18:49 ` David Hildenbrand
2021-02-16 19:04 ` Alex Williamson
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