OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

Pull request trivial patches branch 20220930-v2

Browse Source 
-----BEGIN PGP SIGNATURE-----
 
 iQJGBAABCAAwFiEEzS913cjjpNwuT1Fz8ww4vT8vvjwFAmM7XoISHGxhdXJlbnRA
 dml2aWVyLmV1AAoJEPMMOL0/L748D/0QAKbYtTWjhFPeapjZVoTv13YrTvczWrcF
 omL6IZivVq0t7hun4iem0DwmvXJELMGexEOTvEJOzM19IIlvvwvOsI8xnxpcMnEY
 6GKVbs53Ba0bg2yh7Dll2W9jkou9eX27DwUHMVF8KX7qqsbU+WyD/vdGZitgGt+T
 8yna7kzVvNVsdB3+DbIatI5RzzHeu4OqeuH/WCtAyzCaLB64UYTcHprskxIp4+wp
 dR+EUSoDEr9Qx4PC+uVEsTFK1zZjyAYNoNIkh6fhlkRvDJ1uA75m3EJ57P8xPPqe
 VbVkPMKi0d4c52m6XvLsQhyYryLx/qLLUAkJWVpY66aHcapYbZAEAfZmNGTQLrOJ
 qIOJzIkOdU6l3pRgXVdVCgkHRc2HETwET2LyVbNkUz/vBlW2wOZQbZFbezComael
 bQ/gNBYqP+eOGnZzeWbKBGHr/9QDBClNufidIMC+sOiUw0iSifzjkFwvH7IElx6K
 EQCOSV6pOhKVlinTpmBbk1XD3xDkQ7ZidiLT9g+P1c8dExrXBhWOnfUHueISb8+s
 KKMozuxQ/6/3c/DP5hwI9cKPEWEbqJfq1kMuxIvEivKGwUIqX2yq4VJ+hSlYJ+CW
 nGjXZldtf4KwH+cTsxyPmdZRR5Q7+ODr5Xo7GNvEKBuDsHs7uUl1c3vvOykQgje9
 +dyJR6TfbQWn
 =aK29
 -----END PGP SIGNATURE-----

Merge tag 'trivial-branch-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

Pull request trivial patches branch 20220930-v2

# -----BEGIN PGP SIGNATURE-----
#
# iQJGBAABCAAwFiEEzS913cjjpNwuT1Fz8ww4vT8vvjwFAmM7XoISHGxhdXJlbnRA
# dml2aWVyLmV1AAoJEPMMOL0/L748D/0QAKbYtTWjhFPeapjZVoTv13YrTvczWrcF
# omL6IZivVq0t7hun4iem0DwmvXJELMGexEOTvEJOzM19IIlvvwvOsI8xnxpcMnEY
# 6GKVbs53Ba0bg2yh7Dll2W9jkou9eX27DwUHMVF8KX7qqsbU+WyD/vdGZitgGt+T
# 8yna7kzVvNVsdB3+DbIatI5RzzHeu4OqeuH/WCtAyzCaLB64UYTcHprskxIp4+wp
# dR+EUSoDEr9Qx4PC+uVEsTFK1zZjyAYNoNIkh6fhlkRvDJ1uA75m3EJ57P8xPPqe
# VbVkPMKi0d4c52m6XvLsQhyYryLx/qLLUAkJWVpY66aHcapYbZAEAfZmNGTQLrOJ
# qIOJzIkOdU6l3pRgXVdVCgkHRc2HETwET2LyVbNkUz/vBlW2wOZQbZFbezComael
# bQ/gNBYqP+eOGnZzeWbKBGHr/9QDBClNufidIMC+sOiUw0iSifzjkFwvH7IElx6K
# EQCOSV6pOhKVlinTpmBbk1XD3xDkQ7ZidiLT9g+P1c8dExrXBhWOnfUHueISb8+s
# KKMozuxQ/6/3c/DP5hwI9cKPEWEbqJfq1kMuxIvEivKGwUIqX2yq4VJ+hSlYJ+CW
# nGjXZldtf4KwH+cTsxyPmdZRR5Q7+ODr5Xo7GNvEKBuDsHs7uUl1c3vvOykQgje9
# +dyJR6TfbQWn
# =aK29
# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 03 Oct 2022 18:13:22 EDT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'trivial-branch-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu:
  docs: Update TPM documentation for usage of a TPM 2
  Use g_new() & friends where that makes obvious sense
  Drop superfluous conditionals around g_free()
  block/qcow2-bitmap: Add missing cast to silent GCC error
  checkpatch: ignore target/hexagon/imported/* files
  mem/cxl_type3: fix GPF DVSEC
  .gitignore: add .cache/ to .gitignore
  hw/virtio/vhost-shadow-virtqueue: Silence GCC error "maybe-uninitialized"

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2022-10-04 14:04:18 -04:00
commit fafd35a6da
12 changed files with 46 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.gitignore vendored
View File

@ -1,5 +1,6 @@
/GNUmakefile
/build/
/.cache/
*.pyc
.sdk
.stgit-*

44
docs/specs/tpm.rst
View File

@ -250,24 +250,25 @@ hardware TPM ``/dev/tpm0``:
The following commands should result in similar output inside the VM
with a Linux kernel that either has the TPM TIS driver built-in or
available as a module:
available as a module (assuming a TPM 2 is passed through):
.. code-block:: console
# dmesg | grep -i tpm
[ 0.711310] tpm_tis 00:06: 1.2 TPM (device=id 0x1, rev-id 1)
# dmesg | grep TCPA
[ 0.000000] ACPI: TCPA 0x0000000003FFD191C 000032 (v02 BOCHS \
BXPCTCPA 0000001 BXPC 00000001)
[ 0.012560] ACPI: TPM2 0x000000000BFFD1900 00004C (v04 BOCHS \
BXPC 0000001 BXPC 00000001)
# ls -l /dev/tpm*
crw-------. 1 root root 10, 224 Jul 11 10:11 /dev/tpm0
crw-rw----. 1 tss root 10, 224 Sep 6 12:36 /dev/tpm0
crw-rw----. 1 tss rss 253, 65536 Sep 6 12:36 /dev/tpmrm0
# find /sys/devices/ | grep pcrs$ | xargs cat
PCR-00: 35 4E 3B CE 23 9F 38 59 ...
Starting with Linux 5.12 there are PCR entries for TPM 2 in sysfs:
# find /sys/devices/ -type f | grep pcr-sha
...
/sys/devices/LNXSYSTEM:00/LNXSYBUS:00/MSFT0101:00/tpm/tpm0/pcr-sha256/1
...
/sys/devices/LNXSYSTEM:00/LNXSYBUS:00/MSFT0101:00/tpm/tpm0/pcr-sha256/9
...
PCR-23: 00 00 00 00 00 00 00 00 ...
The QEMU TPM emulator device
----------------------------
@ -304,6 +305,7 @@ a socket interface. They do not need to be run as root.
mkdir /tmp/mytpm1
swtpm socket --tpmstate dir=/tmp/mytpm1 \
--ctrl type=unixio,path=/tmp/mytpm1/swtpm-sock \
--tpm2 \
--log level=20
Command line to start QEMU with the TPM emulator device communicating
@ -365,19 +367,20 @@ available as a module:
.. code-block:: console
# dmesg | grep -i tpm
[ 0.711310] tpm_tis 00:06: 1.2 TPM (device=id 0x1, rev-id 1)
# dmesg | grep TCPA
[ 0.000000] ACPI: TCPA 0x0000000003FFD191C 000032 (v02 BOCHS \
BXPCTCPA 0000001 BXPC 00000001)
[ 0.012560] ACPI: TPM2 0x000000000BFFD1900 00004C (v04 BOCHS \
BXPC 0000001 BXPC 00000001)
# ls -l /dev/tpm*
crw-------. 1 root root 10, 224 Jul 11 10:11 /dev/tpm0
crw-rw----. 1 tss root 10, 224 Sep 6 12:36 /dev/tpm0
crw-rw----. 1 tss rss 253, 65536 Sep 6 12:36 /dev/tpmrm0
# find /sys/devices/ | grep pcrs$ | xargs cat
PCR-00: 35 4E 3B CE 23 9F 38 59 ...
Starting with Linux 5.12 there are PCR entries for TPM 2 in sysfs:
# find /sys/devices/ -type f | grep pcr-sha
...
/sys/devices/LNXSYSTEM:00/LNXSYBUS:00/MSFT0101:00/tpm/tpm0/pcr-sha256/1
...
/sys/devices/LNXSYSTEM:00/LNXSYBUS:00/MSFT0101:00/tpm/tpm0/pcr-sha256/9
...
PCR-23: 00 00 00 00 00 00 00 00 ...
Migration with the TPM emulator
===============================
@ -398,7 +401,8 @@ In a 1st terminal start an instance of a swtpm using the following command:
mkdir /tmp/mytpm1
swtpm socket --tpmstate dir=/tmp/mytpm1 \
--ctrl type=unixio,path=/tmp/mytpm1/swtpm-sock \
--log level=20 --tpm2
--tpm2 \
--log level=20
In a 2nd terminal start the VM:

2
hw/mem/cxl_type3.c
View File

@ -49,7 +49,7 @@ static void build_dvsecs(CXLType3Dev *ct3d)
.phase2_power = 0x33, /* 0x33 miliwatts */
};
cxl_component_create_dvsec(cxl_cstate, CXL2_TYPE3_DEVICE,
GPF_DEVICE_DVSEC_LENGTH, GPF_PORT_DVSEC,
GPF_DEVICE_DVSEC_LENGTH, GPF_DEVICE_DVSEC,
GPF_DEVICE_DVSEC_REVID, dvsec);
}

2
hw/remote/iommu.c
View File

@ -47,7 +47,7 @@ static AddressSpace *remote_iommu_find_add_as(PCIBus *pci_bus,
elem = g_hash_table_lookup(iommu->elem_by_devfn, INT2VOIDP(devfn));
if (!elem) {
elem = g_malloc0(sizeof(RemoteIommuElem));
elem = g_new0(RemoteIommuElem, 1);
g_hash_table_insert(iommu->elem_by_devfn, INT2VOIDP(devfn), elem);
}

2
hw/virtio/vhost-shadow-virtqueue.c
View File

@ -289,7 +289,7 @@ static void vhost_handle_guest_kick(VhostShadowVirtqueue *svq)
virtio_queue_set_notification(svq->vq, false);
while (true) {
g_autofree VirtQueueElement *elem;
g_autofree VirtQueueElement *elem = NULL;
int r;
if (svq->next_guest_avail_elem) {

2
hw/virtio/virtio-crypto.c
View File

@ -710,7 +710,7 @@ virtio_crypto_handle_asym_req(VirtIOCrypto *vcrypto,
uint8_t *src = NULL;
uint8_t *dst = NULL;
asym_op_info = g_malloc0(sizeof(CryptoDevBackendAsymOpInfo));
asym_op_info = g_new0(CryptoDevBackendAsymOpInfo, 1);
src_len = ldl_le_p(&req->para.src_data_len);
dst_len = ldl_le_p(&req->para.dst_data_len);

4
migration/dirtyrate.c
View File

@ -119,9 +119,9 @@ static DirtyPageRecord *vcpu_dirty_stat_alloc(VcpuStat *stat)
}
stat->nvcpu = nvcpu;
stat->rates = g_malloc0(sizeof(DirtyRateVcpu) * nvcpu);
stat->rates = g_new0(DirtyRateVcpu, nvcpu);
records = g_malloc0(sizeof(DirtyPageRecord) * nvcpu);
records = g_new0(DirtyPageRecord, nvcpu);
return records;
}

2
replay/replay.c
View File

@ -366,10 +366,8 @@ void replay_finish(void)
fclose(replay_file);
replay_file = NULL;
}
if (replay_filename) {
g_free(replay_filename);
replay_filename = NULL;
}
g_free(replay_snapshot);
replay_snapshot = NULL;

1
scripts/checkpatch.pl
View File

@ -1667,6 +1667,7 @@ sub process {
# some scripts we imported from other projects.
next if ($realfile =~ /\.(s|S)$/);
next if ($realfile =~ /(checkpatch|get_maintainer)\.pl$/);
next if ($realfile =~ /^target\/hexagon\/imported\/*/);
if ($rawline =~ /^\+.*\t/) {
my $herevet = "$here\n" . cat_vet($rawline) . "\n";

4
softmmu/dirtylimit.c
View File

@ -154,7 +154,7 @@ void vcpu_dirty_rate_stat_initialize(void)
vcpu_dirty_rate_stat->stat.nvcpu = max_cpus;
vcpu_dirty_rate_stat->stat.rates =
g_malloc0(sizeof(DirtyRateVcpu) * max_cpus);
g_new0(DirtyRateVcpu, max_cpus);
vcpu_dirty_rate_stat->running = false;
}
@ -198,7 +198,7 @@ void dirtylimit_state_initialize(void)
dirtylimit_state = g_malloc0(sizeof(*dirtylimit_state));
dirtylimit_state->states =
g_malloc0(sizeof(VcpuDirtyLimitState) * max_cpus);
g_new0(VcpuDirtyLimitState, max_cpus);
for (i = 0; i < max_cpus; i++) {
dirtylimit_state->states[i].cpu_index = i;

4
target/i386/kvm/kvm.c
View File

@ -2176,15 +2176,11 @@ int kvm_arch_destroy_vcpu(CPUState *cs)
g_free(env->xsave_buf);
if (cpu->kvm_msr_buf) {
g_free(cpu->kvm_msr_buf);
cpu->kvm_msr_buf = NULL;
}
if (env->nested_state) {
g_free(env->nested_state);
env->nested_state = NULL;
}
qemu_del_vm_change_state_handler(cpu->vmsentry);

2
target/i386/whpx/whpx-all.c
View File

@ -1225,14 +1225,12 @@ static void whpx_translate_cpu_breakpoints(
}
}
if (breakpoints->breakpoints) {
/*
* Free the previous breakpoint list. This can be optimized by keeping
* it as shadow buffer for the next computation instead of freeing
* it immediately.
*/
g_free(breakpoints->breakpoints);
}
breakpoints->breakpoints = new_breakpoints;
}