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Diffstat (limited to 'qemu-doc.texi')
| -rw-r--r-- | qemu-doc.texi | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/qemu-doc.texi b/qemu-doc.texi index 65f3b29506..8afbbcdfea 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -1289,14 +1289,7 @@ qemu-system-i386 -device ivshmem,size=@var{shm-size},vectors=@var{vectors},chard When using the server, the guest will be assigned a VM ID (>=0) that allows guests using the same server to communicate via interrupts. Guests can read their -VM ID from a device register (see example code). Since receiving the shared -memory region from the server is asynchronous, there is a (small) chance the -guest may boot before the shared memory is attached. To allow an application -to ensure shared memory is attached, the VM ID register will return -1 (an -invalid VM ID) until the memory is attached. Once the shared memory is -attached, the VM ID will return the guest's valid VM ID. With these semantics, -the guest application can check to ensure the shared memory is attached to the -guest before proceeding. +VM ID from a device register (see ivshmem-spec.txt). The @option{role} argument can be set to either master or peer and will affect how the shared memory is migrated. With @option{role=master}, the guest will |