On 1/2/20 10:01 PM, Marc-André Lureau wrote:
post-copy migration fails on destination with error such as:
2019-12-26T10:22:44.714644Z qemu-kvm: ram_block_discard_range:
Unaligned start address: 0x559d2afae9a0
Use qemu_memalign() to constrain the PPI RAM memory alignment.
Cc: qemu-sta...@nongnu.org
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>
---
hw/tpm/tpm_ppi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/tpm/tpm_ppi.c b/hw/tpm/tpm_ppi.c
index ff314592b4..6d9c1a3e40 100644
--- a/hw/tpm/tpm_ppi.c
+++ b/hw/tpm/tpm_ppi.c
@@ -43,7 +43,8 @@ void tpm_ppi_reset(TPMPPI *tpmppi)
void tpm_ppi_init(TPMPPI *tpmppi, struct MemoryRegion *m,
hwaddr addr, Object *obj)
{
- tpmppi->buf = g_malloc0(HOST_PAGE_ALIGN(TPM_PPI_ADDR_SIZE));
+ tpmppi->buf = qemu_memalign(qemu_real_host_page_size,
+ HOST_PAGE_ALIGN(TPM_PPI_ADDR_SIZE));
memory_region_init_ram_device_ptr(&tpmppi->ram, obj, "tpm-ppi",
TPM_PPI_ADDR_SIZE, tpmppi->buf);
vmstate_register_ram(&tpmppi->ram, DEVICE(obj));
