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qemu-patch-raspberry4/hw/block
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Greg Kurz 9cf4fd872d virtio: Clarify MR transaction optimization 
The device model batching its ioeventfds in a single MR transaction is
an optimization. Clarify this in virtio-scsi, virtio-blk and generic
virtio code. Also clarify that the transaction must commit before
closing ioeventfds so that no one is tempted to merge the loops
in the start functions error path and in the stop functions.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <162125799728.1394228.339855768563326832.stgit@bahia.lan>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-07-02 11:13:39 -04:00
..
dataplane virtio: Clarify MR transaction optimization 2021-07-02 11:13:39 -04:00
block.c block: make BlockConf size props 32bit and accept size suffixes 2020-06-17 14:53:40 +02:00
cdrom.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
ecc.c vmstate: Constify some VMStateDescriptions 2021-05-02 17:24:50 +02:00
fdc-internal.h hw/block/fdc: Declare shared prototypes in fdc-internal.h 2021-06-25 08:53:28 -04:00
fdc-isa.c hw/block/fdc: Add description to floppy controllers 2021-06-25 08:53:28 -04:00
fdc-sysbus.c hw/block/fdc: Add description to floppy controllers 2021-06-25 08:53:28 -04:00
fdc.c hw/block/fdc: Extract SysBus floppy controllers to fdc-sysbus.c 2021-06-25 08:53:28 -04:00
hd-geometry.c block: Remove blk_pread_unthrottled() 2019-08-16 10:25:16 +02:00
Kconfig hw/block/fdc: Extract SysBus floppy controllers to fdc-sysbus.c 2021-06-25 08:53:28 -04:00
m25p80.c hw/block: m25p80: Add support for mt25ql02g and mt25qu02g 2021-05-01 10:03:52 +02:00
meson.build hw/block/fdc: Extract SysBus floppy controllers to fdc-sysbus.c 2021-06-25 08:53:28 -04:00
nand.c block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +01:00
onenand.c block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +01:00
pflash_cfi01.c hw/block/pflash_cfi: Replace DPRINTF with trace events 2021-03-18 11:16:31 +01:00
pflash_cfi02.c hw/block/pflash_cfi02: Do not create aliases when not necessary 2021-05-11 18:11:02 +02:00
swim.c block: Separate blk_is_writable() and blk_supports_write_perm() 2021-01-27 20:45:20 +01:00
tc58128.c hw/sh4: Add missing license 2021-03-06 16:18:42 +01:00
trace-events hw/block/fdc: Extract SysBus floppy controllers to fdc-sysbus.c 2021-06-25 08:53:28 -04:00
trace.h trace: switch position of headers to what Meson requires 2020-08-21 06:18:24 -04:00
vhost-user-blk.c vhost-user-blk: Implement reconnection during realize 2021-06-30 13:21:22 +02:00
virtio-blk.c virtio-blk: Constify VirtIOFeature feature_sizes[] 2021-05-14 08:12:09 -04:00
xen-block.c xen-block: Use specific blockdev driver 2021-05-10 13:43:58 +01:00
xen_blkif.h xen: Import other xen/io/*.h 2019-06-24 10:42:30 +01:00