Merge tag 'hw-misc-20241203' of https://github.com/philmd/qemu into staging

Misc fixes for QEMU v9.2.0

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* tag 'hw-misc-20241203' of https://github.com/philmd/qemu:
  system: Select HVF by default when no other accelerator is available
  tests/qtest: add test for querying balloon guest stats
  tests/qtest: drop 'fuzz-' prefix from virtio-balloon test
  hw/virtio: fix crash in processing balloon stats
  hw/display/vga: Do not reset 'big_endian_fb' in vga_common_reset()
  target/riscv: Avoid bad shift in riscv_cpu_do_interrupt()
  hw/core/machine: diagnose wrapping of maxmem
  MAINTAINERS: update email addr for Brian Cain
  meson: Add missing SDL dependency to system/main.c
  MAINTAINERS: add myself as the maintainer for LoongArch VirtMachine
  ui/cocoa: Temporarily ignore annoying deprecated declaration warnings
  hw/openrisc/openrisc_sim: keep serial@90000000 as default
  hw/openrisc: Fixed undercounting of TTCR in continuous mode

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 15 insertions, 1 deletions

diff --git a/hw/virtio/virtio-balloon.c b/hw/virtio/virtio-balloon.c
index 609e39a821..afd2ad6dd6 100644
--- a/hw/virtio/virtio-balloon.c
+++ b/hw/virtio/virtio-balloon.c
@@ -167,19 +167,33 @@ static void balloon_deflate_page(VirtIOBalloon *balloon,
     }
 }
 
+/*
+ * All stats upto VIRTIO_BALLOON_S_NR /must/ have a
+ * non-NULL name declared here, since these are used
+ * as keys for populating the QDict with stats
+ */
 static const char *balloon_stat_names[] = {
    [VIRTIO_BALLOON_S_SWAP_IN] = "stat-swap-in",
    [VIRTIO_BALLOON_S_SWAP_OUT] = "stat-swap-out",
    [VIRTIO_BALLOON_S_MAJFLT] = "stat-major-faults",
    [VIRTIO_BALLOON_S_MINFLT] = "stat-minor-faults",
    [VIRTIO_BALLOON_S_MEMFREE] = "stat-free-memory",
+
    [VIRTIO_BALLOON_S_MEMTOT] = "stat-total-memory",
    [VIRTIO_BALLOON_S_AVAIL] = "stat-available-memory",
    [VIRTIO_BALLOON_S_CACHES] = "stat-disk-caches",
    [VIRTIO_BALLOON_S_HTLB_PGALLOC] = "stat-htlb-pgalloc",
    [VIRTIO_BALLOON_S_HTLB_PGFAIL] = "stat-htlb-pgfail",
-   [VIRTIO_BALLOON_S_NR] = NULL
+
+   [VIRTIO_BALLOON_S_OOM_KILL] = "stat-oom-kills",
+   [VIRTIO_BALLOON_S_ALLOC_STALL] = "stat-alloc-stalls",
+   [VIRTIO_BALLOON_S_ASYNC_SCAN] = "stat-async-scans",
+   [VIRTIO_BALLOON_S_DIRECT_SCAN] = "stat-direct-scans",
+   [VIRTIO_BALLOON_S_ASYNC_RECLAIM] = "stat-async-reclaims",
+
+   [VIRTIO_BALLOON_S_DIRECT_RECLAIM] = "stat-direct-reclaims",
 };
+G_STATIC_ASSERT(G_N_ELEMENTS(balloon_stat_names) == VIRTIO_BALLOON_S_NR);
 
 /*
  * reset_stats - Mark all items in the stats array as unset