Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* thread-safe tb_flush (Fred, Alex, Sergey, me, Richard, Emilio,... :-)
* license clarification for compiler.h (Felipe)
* glib cflags improvement (Marc-André)
* checkpatch silencing (Paolo)
* SMRAM migration fix (Paolo)
* Replay improvements (Pavel)
* IOMMU notifier improvements (Peter)
* IOAPIC now defaults to version 0x20 (Peter)

# gpg: Signature made Tue 27 Sep 2016 10:57:40 BST
# gpg:                using RSA key 0xBFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (28 commits)
  replay: allow replay stopping and restarting
  replay: vmstate for replay module
  replay: move internal data to the structure
  cpus-common: lock-free fast path for cpu_exec_start/end
  tcg: Make tb_flush() thread safe
  cpus-common: Introduce async_safe_run_on_cpu()
  cpus-common: simplify locking for start_exclusive/end_exclusive
  cpus-common: remove redundant call to exclusive_idle()
  cpus-common: always defer async_run_on_cpu work items
  docs: include formal model for TCG exclusive sections
  cpus-common: move exclusive work infrastructure from linux-user
  cpus-common: fix uninitialized variable use in run_on_cpu
  cpus-common: move CPU work item management to common code
  cpus-common: move CPU list management to common code
  linux-user: Add qemu_cpu_is_self() and qemu_cpu_kick()
  linux-user: Use QemuMutex and QemuCond
  cpus: Rename flush_queued_work()
  cpus: Move common code out of {async_, }run_on_cpu()
  cpus: pass CPUState to run_on_cpu helpers
  build-sys: put glib_cflags in QEMU_CFLAGS
  ...

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

1 files changed, 8 insertions, 25 deletions

diff --git a/bsd-user/main.c b/bsd-user/main.c
index 0fb08e405d..35125b720f 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -67,23 +67,6 @@ int cpu_get_pic_interrupt(CPUX86State *env)
 }
 #endif
 
-/* These are no-ops because we are not threadsafe.  */
-static inline void cpu_exec_start(CPUArchState *env)
-{
-}
-
-static inline void cpu_exec_end(CPUArchState *env)
-{
-}
-
-static inline void start_exclusive(void)
-{
-}
-
-static inline void end_exclusive(void)
-{
-}
-
 void fork_start(void)
 {
 }
@@ -95,14 +78,6 @@ void fork_end(int child)
     }
 }
 
-void cpu_list_lock(void)
-{
-}
-
-void cpu_list_unlock(void)
-{
-}
-
 #ifdef TARGET_I386
 /***********************************************************/
 /* CPUX86 core interface */
@@ -172,7 +147,11 @@ void cpu_loop(CPUX86State *env)
     //target_siginfo_t info;
 
     for(;;) {
+        cpu_exec_start(cs);
         trapnr = cpu_exec(cs);
+        cpu_exec_end(cs);
+        process_queued_cpu_work(cs);
+
         switch(trapnr) {
         case 0x80:
             /* syscall from int $0x80 */
@@ -513,7 +492,10 @@ void cpu_loop(CPUSPARCState *env)
     //target_siginfo_t info;
 
     while (1) {
+        cpu_exec_start(cs);
         trapnr = cpu_exec(cs);
+        cpu_exec_end(cs);
+        process_queued_cpu_work(cs);
 
         switch (trapnr) {
 #ifndef TARGET_SPARC64
@@ -748,6 +730,7 @@ int main(int argc, char **argv)
     if (argc <= 1)
         usage();
 
+    qemu_init_cpu_list();
     module_call_init(MODULE_INIT_QOM);
 
     if ((envlist = envlist_create()) == NULL) {