[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [RFC QEMU PATCH v2 01/10] nvdimm xen: disable label support on Xen
If xen_enabled(), memory_region_get_ram_ptr() always returns NULL and nvdimm_realize() cannot get the correct pointer to the label area. This commit disables the label support for Xen accelerator to workaround this issue. Signed-off-by: Haozhong Zhang <haozhong.zhang@xxxxxxxxx> --- Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxx> Cc: Igor Mammedov <imammedo@xxxxxxxxxx> Cc: Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx> --- hw/mem/nvdimm.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/hw/mem/nvdimm.c b/hw/mem/nvdimm.c index db896b0bb6..0d3e17e94c 100644 --- a/hw/mem/nvdimm.c +++ b/hw/mem/nvdimm.c @@ -87,7 +87,11 @@ static void nvdimm_realize(PCDIMMDevice *dimm, Error **errp) align = memory_region_get_alignment(mr); pmem_size = size - nvdimm->label_size; - nvdimm->label_data = memory_region_get_ram_ptr(mr) + pmem_size; + /* + * TODO: explain the reason + */ + if (nvdimm->label_size) + nvdimm->label_data = memory_region_get_ram_ptr(mr) + pmem_size; pmem_size = QEMU_ALIGN_DOWN(pmem_size, align); if (size <= nvdimm->label_size || !pmem_size) { -- 2.12.0 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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