| Message ID | 1468244718-3731-2-git-send-email-guangrong.xiao@linux.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c index e486128..5454c0f 100644 --- a/hw/acpi/nvdimm.c +++ b/hw/acpi/nvdimm.c @@ -863,6 +863,8 @@ static void nvdimm_build_common_dsm(Aml *dev) result_size = aml_local(1); aml_append(method, aml_store(aml_name("RLEN"), result_size)); + /* RLEN is not included in the payload returned to guest. */ + aml_append(method, aml_subtract(result_size, aml_int(4), result_size)); aml_append(method, aml_store(aml_shiftleft(result_size, aml_int(3)), result_size)); aml_append(method, aml_create_field(aml_name("ODAT"), aml_int(0),
Currently, 'RLEN' is the totally buffer size written by QEMU and it is ACPI internally used only. The buffer size returned to guest should not include 'RLEN' itself Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> --- hw/acpi/nvdimm.c | 2 ++ 1 file changed, 2 insertions(+)