Merge tag 'pull-jan-omnibus-020223-1' of https://gitlab.com/stsquad/qemu into staging

Testing, docs, semihosting and plugin updates

  - update playbooks for custom runners
  - add section timing support to gitlab
  - upgrade fedora images to 37
  - purge perl from the build system and deps
  - disable unstable tests in CI
  - improve intro, emulation and semihosting docs
  - semihosting bug fix and O_BINARY default
  - add memory-sve test
  - fix some races in qht
  - improve plugin handling of memory helpers
  - optimise plugin hooks
  - fix some plugin deadlocks
  - reduce win64-cross build time by dropping some targets

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* tag 'pull-jan-omnibus-020223-1' of https://gitlab.com/stsquad/qemu: (36 commits)
  gitlab: cut even more from cross-win64-system build
  plugins: Iterate on cb_lists in qemu_plugin_user_exit
  cpu-exec: assert that plugin_mem_cbs is NULL after execution
  tcg: exclude non-memory effecting helpers from instrumentation
  translator: always pair plugin_gen_insn_{start, end} calls
  plugins: fix optimization in plugin_gen_disable_mem_helpers
  plugins: make qemu_plugin_user_exit's locking order consistent with fork_start's
  util/qht: use striped locks under TSAN
  thread: de-const qemu_spin_destroy
  util/qht: add missing atomic_set(hashes[i])
  cpu: free cpu->tb_jmp_cache with RCU
  tests/tcg: add memory-sve test for aarch64
  semihosting: add O_BINARY flag in host_open for NT compatibility
  semihosting: Write back semihosting data before completion callback
  docs: add an introduction to the system docs
  semihosting: add semihosting section to the docs
  docs: add a new section to outline emulation support
  docs: add hotlinks to about preface text
  MAINTAINERS: Fix the entry for tests/tcg/nios2
  gitlab: wrap up test results for custom runners
  ...

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

2 files changed, 13 insertions, 3 deletions

diff --git a/include/qemu/plugin.h b/include/qemu/plugin.h
index a772e14..fb338ba 100644
--- a/include/qemu/plugin.h
+++ b/include/qemu/plugin.h
@@ -59,6 +59,8 @@ get_plugin_meminfo_rw(qemu_plugin_meminfo_t i)
 #ifdef CONFIG_PLUGIN
 extern QemuOptsList qemu_plugin_opts;
 
+#define QEMU_PLUGIN_ASSERT(cond) g_assert(cond)
+
 static inline void qemu_plugin_add_opts(void)
 {
     qemu_add_opts(&qemu_plugin_opts);
@@ -118,7 +120,10 @@ struct qemu_plugin_insn {
     void *haddr;
     GArray *cbs[PLUGIN_N_CB_TYPES][PLUGIN_N_CB_SUBTYPES];
     bool calls_helpers;
+
+    /* if set, the instruction calls helpers that might access guest memory */
     bool mem_helper;
+
     bool mem_only;
 };
 
@@ -158,6 +163,10 @@ struct qemu_plugin_tb {
     void *haddr1;
     void *haddr2;
     bool mem_only;
+
+    /* if set, the TB calls helpers that might access guest memory */
+    bool mem_helper;
+
     GArray *cbs[PLUGIN_N_CB_SUBTYPES];
 };
 
@@ -243,6 +252,8 @@ void qemu_plugin_user_postfork(bool is_child);
 
 #else /* !CONFIG_PLUGIN */
 
+#define QEMU_PLUGIN_ASSERT(cond)
+
 static inline void qemu_plugin_add_opts(void)
 { }
 
diff --git a/include/qemu/thread.h b/include/qemu/thread.h
index 7c6703b..7841084 100644
--- a/include/qemu/thread.h
+++ b/include/qemu/thread.h
@@ -237,11 +237,10 @@ static inline void qemu_spin_init(QemuSpin *spin)
 #endif
 }
 
-/* const parameter because the only purpose here is the TSAN annotation */
-static inline void qemu_spin_destroy(const QemuSpin *spin)
+static inline void qemu_spin_destroy(QemuSpin *spin)
 {
 #ifdef CONFIG_TSAN
-    __tsan_mutex_destroy((void *)spin, __tsan_mutex_not_static);
+    __tsan_mutex_destroy(spin, __tsan_mutex_not_static);
 #endif
 }