Commit 71e415c8 authored by Marc-André Lureau's avatar Marc-André Lureau Committed by Stefan Berger
Browse files

tpm-ppi: page-align PPI RAM 



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-stable@nongnu.org
Signed-off-by: default avatarMarc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: default avatarStefan Berger <stefanb@linux.ibm.com>
Signed-off-by: default avatarStefan Berger <stefanb@linux.ibm.com>
Message-id: 20200103074000.1006389-3-marcandre.lureau@redhat.com
parent 4c60e328

hw/tpm/tpm_ppi.c

+2 −1
Original line number Diff line number Diff line
@@ -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));