Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging

trivial patches for 2024-12-28

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# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>" [unknown]
# gpg:                 aka "Michael Tokarev <mjt@tls.msk.ru>" [unknown]
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# Primary key fingerprint: 9D8B E14E 3F2A 9DD7 9199  28F1 61AD 3D98 ECDF 2C8E
#      Subkey fingerprint: 64AA 2AB5 31D5 6903 366B  FEF9 82AA 4A24 3B1E 9478

* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu:
  qmp: update vhost-user protocol feature maps
  contrib/plugins/bbv.c: Start bb index from 1
  hw/riscv/riscv-iommu-sys.c: fix duplicated 'table_size'
  target/i386/cpu: Fix notes for CPU models
  docs: Replace 'since' -> 'removed in' in removed-features.rst
  docs: Correct release of TCG trace-events removal
  docs: Correct '-runas' and '-fsdev/-virtfs proxy' indentation
  vvfat: fix ubsan issue in create_long_filename
  hw/timer/hpet: Drop the unused macro
  hw/timer/hpet: Fix comment about capabilities register
  docs/devel: remove dead video link for sourcehut submit process

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

block/vvfat.c

@@ -426,6 +426,10 @@ static direntry_t *create_long_filename(BDRVVVFATState *s, const char *filename)
         else if(offset<22) offset=14+offset-10;
         else offset=28+offset-22;
         entry=array_get(&(s->directory),s->directory.next-1-(i/26));
+        /* ensure we don't write anything past entry->name */
+        if (offset >= sizeof(entry->name)) {
+            continue;
+        }
         if (i >= 2 * length + 2) {
             entry->name[offset] = 0xff;
         } else if (i % 2 == 0) {

contrib/plugins/bbv.c

@@ -109,7 +109,7 @@ static void vcpu_tb_trans(qemu_plugin_id_t id, struct qemu_plugin_tb *tb)
         bb = g_new(Bb, 1);
         bb->vaddr = vaddr;
         bb->count = qemu_plugin_scoreboard_new(sizeof(uint64_t));
-        bb->index = g_hash_table_size(bbs);
+        bb->index = g_hash_table_size(bbs) + 1;
         g_hash_table_replace(bbs, &bb->vaddr, bb);
     }
     g_rw_lock_writer_unlock(&bbs_lock);

docs/about/deprecated.rst

@@ -75,7 +75,7 @@ marked deprecated since 9.0, users have to ensure that all the topology members
 described with -smp are supported by the target machine.
 
 ``-runas`` (since 9.1)
-----------------------
+''''''''''''''''''''''
 
 Use ``-run-with user=..`` instead.
 

docs/about/removed-features.rst

@@ -403,13 +403,13 @@ Sound card devices should be created using ``-device`` or ``-audio``.
 The exception is ``pcspk`` which can be activated using ``-machine
 pcspk-audiodev=<name>``.
 
-``-watchdog`` (since 7.2)
-'''''''''''''''''''''''''
+``-watchdog`` (removed in 7.2)
+''''''''''''''''''''''''''''''
 
 Use ``-device`` instead.
 
-Hexadecimal sizes with scaling multipliers (since 8.0)
-''''''''''''''''''''''''''''''''''''''''''''''''''''''
+Hexadecimal sizes with scaling multipliers (removed in 8.0)
+'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
 
 Input parameters that take a size value should only use a size suffix
 (such as 'k' or 'M') when the base is written in decimal, and not when
@@ -510,15 +510,15 @@ than zero.
 
 Removed along with the ``compression`` migration capability.
 
-``-device virtio-blk,scsi=on|off`` (since 9.1)
-''''''''''''''''''''''''''''''''''''''''''''''
+``-device virtio-blk,scsi=on|off`` (removed in 9.1)
+'''''''''''''''''''''''''''''''''''''''''''''''''''
 
 The virtio-blk SCSI passthrough feature is a legacy VIRTIO feature.  VIRTIO 1.0
 and later do not support it because the virtio-scsi device was introduced for
 full SCSI support.  Use virtio-scsi instead when SCSI passthrough is required.
 
-``-fsdev proxy`` and ``-virtfs proxy`` (since 9.2)
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+``-fsdev proxy`` and ``-virtfs proxy`` (removed in 9.2)
+'''''''''''''''''''''''''''''''''''''''''''''''''''''''
 
 The 9p ``proxy`` filesystem backend driver was originally developed to
 enhance security by dispatching low level filesystem operations from 9p
@@ -532,8 +532,8 @@ security model option, or switch to ``virtiofs``.   The virtiofs daemon
 ``virtiofsd`` uses vhost to eliminate the high latency costs of the 9p
 ``proxy`` backend.
 
-``-portrait`` and ``-rotate`` (since 9.2)
-'''''''''''''''''''''''''''''''''''''''''
+``-portrait`` and ``-rotate`` (removed in 9.2)
+''''''''''''''''''''''''''''''''''''''''''''''
 
 The ``-portrait`` and ``-rotate`` options were documented as only
 working with the PXA LCD device, and all the machine types using
@@ -1087,8 +1087,8 @@ processor IP (see `Intel discontinuance notification`_).
 TCG introspection features
 --------------------------
 
-TCG trace-events (since 6.2)
-''''''''''''''''''''''''''''
+TCG trace-events (removed in 7.0)
+'''''''''''''''''''''''''''''''''
 
 The ability to add new TCG trace points had bit rotted and as the
 feature can be replicated with TCG plugins it was removed. If

docs/devel/submitting-a-patch.rst

@@ -252,10 +252,7 @@ patches to the QEMU mailing list by following these steps:
 #. Send your patches to the QEMU mailing list using the web-based
    ``git-send-email`` UI at https://git.sr.ht/~USERNAME/qemu/send-email
 
-`This video
-<https://spacepub.space/videos/watch/ad258d23-0ac6-488c-83fc-2bacf578de3a>`__
-shows the web-based ``git-send-email`` workflow. Documentation is
-available `here
+Documentation for sourcehut is available `here
 <https://man.sr.ht/git.sr.ht/#sending-patches-upstream>`__.
 
 .. _cc_the_relevant_maintainer:

hw/riscv/riscv-iommu-sys.c

@@ -121,7 +121,7 @@ static void riscv_iommu_sysdev_init_msi(RISCVIOMMUStateSys *s,
                                         uint32_t n_vectors)
 {
     RISCVIOMMUState *iommu = &s->iommu;
-    uint32_t table_size = table_size = n_vectors * PCI_MSIX_ENTRY_SIZE;
+    uint32_t table_size = n_vectors * PCI_MSIX_ENTRY_SIZE;
     uint32_t table_offset = RISCV_IOMMU_REG_MSI_CONFIG;
     uint32_t pba_size = QEMU_ALIGN_UP(n_vectors, 64) / 8;
     uint32_t pba_offset = RISCV_IOMMU_REG_MSI_CONFIG + 256;

hw/timer/hpet.c

@@ -736,7 +736,7 @@ static void hpet_realize(DeviceState *dev, Error **errp)
         timer->state = s;
     }
 
-    /* 64-bit main counter; LegacyReplacementRoute. */
+    /* 64-bit General Capabilities and ID Register; LegacyReplacementRoute. */
     s->capability = 0x8086a001ULL;
     s->capability |= (s->num_timers - 1) << HPET_ID_NUM_TIM_SHIFT;
     s->capability |= ((uint64_t)(HPET_CLK_PERIOD * FS_PER_NS) << 32);

hw/virtio/virtio-qmp.c

@@ -121,6 +121,12 @@ static const qmp_virtio_feature_map_t vhost_user_protocol_map[] = {
     FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_STATUS, \
             "VHOST_USER_PROTOCOL_F_STATUS: Querying and notifying back-end "
             "device status supported"),
+    FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_SHARED_OBJECT, \
+            "VHOST_USER_PROTOCOL_F_SHARED_OBJECT: Backend shared object "
+            "supported"),
+    FEATURE_ENTRY(VHOST_USER_PROTOCOL_F_DEVICE_STATE, \
+            "VHOST_USER_PROTOCOL_F_DEVICE_STATE: Backend device state transfer "
+            "supported"),
     { -1, "" }
 };
 

include/hw/timer/hpet.h

@@ -58,7 +58,6 @@
 #define HPET_TN_CFG_WRITE_MASK  0x7f4e
 #define HPET_TN_INT_ROUTE_SHIFT      9
 #define HPET_TN_INT_ROUTE_CAP_SHIFT 32
-#define HPET_TN_CFG_BITS_READONLY_OR_RESERVED 0xffff80b1U
 
 struct hpet_fw_entry
 {

target/i386/cpu.c

@@ -3692,6 +3692,7 @@ static const X86CPUDefinition builtin_x86_defs[] = {
             },
             {
                 .version = 4,
+                .note = "IBRS, EPT switching, no TSX",
                 .props = (PropValue[]) {
                     { "vmx-eptp-switching", "on" },
                     { /* end of list */ }
@@ -3826,7 +3827,7 @@ static const X86CPUDefinition builtin_x86_defs[] = {
               },
             },
             { .version = 4,
-              .note = "ARCH_CAPABILITIES, no TSX",
+              .note = "ARCH_CAPABILITIES, EPT switching, no TSX",
               .props = (PropValue[]) {
                   { "vmx-eptp-switching", "on" },
                   { /* end of list */ }