qemu-kvm/kvm-tpm-ppi-page-align-PPI-RAM.patch

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* Mon Feb 10 2020 Danilo Cesar Lemes de Paula <ddepaula@redhat.com> - 4.2.0-9.el8 - kvm-ppc-Deassert-the-external-interrupt-pin-in-KVM-on-re.patch [bz#1776638] - kvm-xics-Don-t-deassert-outputs.patch [bz#1776638] - kvm-ppc-Don-t-use-CPUPPCState-irq_input_state-with-moder.patch [bz#1776638] - kvm-trace-update-qemu-trace-stap-to-Python-3.patch [bz#1787395] - kvm-redhat-Remove-redundant-fix-for-qemu-trace-stap.patch [bz#1787395] - kvm-iscsi-Cap-block-count-from-GET-LBA-STATUS-CVE-2020-1.patch [bz#1794503] - kvm-tpm-ppi-page-align-PPI-RAM.patch [bz#1787444] - kvm-target-arm-kvm-trivial-Clean-up-header-documentation.patch [bz#1647366] - kvm-target-arm-kvm64-kvm64-cpus-have-timer-registers.patch [bz#1647366] - kvm-tests-arm-cpu-features-Check-feature-default-values.patch [bz#1647366] - kvm-target-arm-kvm-Implement-virtual-time-adjustment.patch [bz#1647366] - kvm-target-arm-cpu-Add-the-kvm-no-adjvtime-CPU-property.patch [bz#1647366] - kvm-migration-Define-VMSTATE_INSTANCE_ID_ANY.patch [bz#1529231] - kvm-migration-Change-SaveStateEntry.instance_id-into-uin.patch [bz#1529231] - kvm-apic-Use-32bit-APIC-ID-for-migration-instance-ID.patch [bz#1529231] - Resolves: bz#1529231 ([q35] VM hangs after migration with 200 vCPUs) - Resolves: bz#1647366 (aarch64: Add support for the kvm-no-adjvtime ARM CPU feature) - Resolves: bz#1776638 (Guest failed to boot up after system_reset 20 times) - Resolves: bz#1787395 (qemu-trace-stap list : TypeError: startswith first arg must be bytes or a tuple of bytes, not str) - Resolves: bz#1787444 (Broken postcopy migration with vTPM device) - Resolves: bz#1794503 (CVE-2020-1711 qemu-kvm: QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server [rhel-av-8.2.0])
2020-02-10 22:47:04 +00:00
From 7cb1c5e1416de9a09180f0930d2a216c77e8cdbd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
Date: Thu, 30 Jan 2020 16:01:10 +0000
Subject: [PATCH 07/15] tpm-ppi: page-align PPI RAM
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: <20200130160110.126086-1-marcandre.lureau@redhat.com>
Patchwork-id: 93600
O-Subject: [RHEL-AV-8.2.0 qemu-kvm PATCH] tpm-ppi: page-align PPI RAM
Bugzilla: 1787444
RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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
BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1787444
Brew: http://brewweb.devel.redhat.com/brew/taskinfo?taskID=26122940
(cherry picked from commit 71e415c8a75c130875f14d6b2136825789feb297)
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Danilo C. L. de Paula <ddepaula@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 ff31459..6d9c1a3 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));
--
1.8.3.1