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tpm-ppi: page-align PPI RAM

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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: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200103074000.1006389-3-marcandre.lureau@redhat.com
This commit is contained in:
Marc-André Lureau 2020-01-03 11:39:59 +04:00 committed by Stefan Berger
parent 4c60e32898
commit 71e415c8a7
1 changed files with 2 additions and 1 deletions
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3
hw/tpm/tpm_ppi.c
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@ -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));