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| author | Marc-André Lureau <marcandre.lureau@redhat.com> | 2018-09-12 16:18:00 +0400 |
|---|---|---|
| committer | Marc-André Lureau <marcandre.lureau@redhat.com> | 2019-01-07 16:18:42 +0400 |
| commit | fa0cb34d2210cc749b9a70db99bb41c56ad20831 (patch) | |
| tree | f8d77d4385357c78e11d80b6dddec491252ddb8d /hw/core | |
| parent | 51e5ef459eca045d7e8afe880ee60190f0b75b26 (diff) | |
hostmem: use object id for memory region name with >= 4.0
hostmem-file and hostmem-memfd use the whole object path for the
memory region name, and hostname-ram uses only the path component (the
object id, or canonical path basename):
qemu -m 1024 -object memory-backend-file,id=mem,size=1G,mem-path=/tmp/foo -numa node,memdev=mem -monitor stdio
(qemu) info ramblock
Block Name PSize Offset Used Total
/objects/mem 4 KiB 0x0000000000000000 0x0000000040000000 0x0000000040000000
qemu -m 1024 -object memory-backend-memfd,id=mem,size=1G -numa node,memdev=mem -monitor stdio
(qemu) info ramblock
Block Name PSize Offset Used Total
/objects/mem 4 KiB 0x0000000000000000 0x0000000040000000 0x0000000040000000
qemu -m 1024 -object memory-backend-ram,id=mem,size=1G -numa node,memdev=mem -monitor stdio
(qemu) info ramblock
Block Name PSize Offset Used Total
mem 4 KiB 0x0000000000000000 0x0000000040000000 0x0000000040000000
For consistency, change to use object id for -file and -memfd as well
with >= 4.0.
Having a consistent naming allows to migrate to different hostmem
backends.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'hw/core')
| -rw-r--r-- | hw/core/machine.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/core/machine.c b/hw/core/machine.c index 84a4c8cdc3..f8563efb86 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -32,6 +32,14 @@ GlobalProperty hw_compat_3_1[] = { .driver = "pcie-root-port", .property = "x-width", .value = "1", + },{ + .driver = "memory-backend-file", + .property = "x-use-canonical-path-for-ramblock-id", + .value = "true", + },{ + .driver = "memory-backend-memfd", + .property = "x-use-canonical-path-for-ramblock-id", + .value = "true", }, }; const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1); |