diff mbox series

[v2,1/9] cpus: Export queue work related fields to cpu.h

Message ID 20210723193444.133412-2-peterx@redhat.com
State New
Headers show
Series memory: Sanity checks memory transaction when releasing BQL | expand

Commit Message

Peter Xu July 23, 2021, 7:34 p.m. UTC
This patch has no functional change, but prepares for moving the function
do_run_on_cpu() into softmmu/cpus.c.  It does:

  1. Move qemu_work_item into hw/core/cpu.h.
  2. Export queue_work_on_cpu()/qemu_work_cond.

All of them will be used by softmmu/cpus.c later.

Signed-off-by: Peter Xu <peterx@redhat.com>
---
 cpus-common.c         | 11 ++---------
 include/hw/core/cpu.h | 10 +++++++++-
 2 files changed, 11 insertions(+), 10 deletions(-)

Comments

David Hildenbrand July 27, 2021, 1:02 p.m. UTC | #1
On 23.07.21 21:34, Peter Xu wrote:
> This patch has no functional change, but prepares for moving the function
> do_run_on_cpu() into softmmu/cpus.c.  It does:
> 
>    1. Move qemu_work_item into hw/core/cpu.h.
>    2. Export queue_work_on_cpu()/qemu_work_cond.
> 
> All of them will be used by softmmu/cpus.c later.
> 
> Signed-off-by: Peter Xu <peterx@redhat.com>
> ---
>   cpus-common.c         | 11 ++---------
>   include/hw/core/cpu.h | 10 +++++++++-
>   2 files changed, 11 insertions(+), 10 deletions(-)
> 
> diff --git a/cpus-common.c b/cpus-common.c
> index 6e73d3e58d..d814b2439a 100644
> --- a/cpus-common.c
> +++ b/cpus-common.c
> @@ -27,7 +27,7 @@
>   static QemuMutex qemu_cpu_list_lock;
>   static QemuCond exclusive_cond;
>   static QemuCond exclusive_resume;
> -static QemuCond qemu_work_cond;
> +QemuCond qemu_work_cond;
>   
>   /* >= 1 if a thread is inside start_exclusive/end_exclusive.  Written
>    * under qemu_cpu_list_lock, read with atomic operations.
> @@ -114,14 +114,7 @@ CPUState *qemu_get_cpu(int index)
>   /* current CPU in the current thread. It is only valid inside cpu_exec() */
>   __thread CPUState *current_cpu;
>   
> -struct qemu_work_item {
> -    QSIMPLEQ_ENTRY(qemu_work_item) node;
> -    run_on_cpu_func func;
> -    run_on_cpu_data data;
> -    bool free, exclusive, done;
> -};
> -
> -static void queue_work_on_cpu(CPUState *cpu, struct qemu_work_item *wi)
> +void queue_work_on_cpu(CPUState *cpu, struct qemu_work_item *wi)
>   {
>       qemu_mutex_lock(&cpu->work_mutex);
>       QSIMPLEQ_INSERT_TAIL(&cpu->work_list, wi, node);
> diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
> index bc864564ce..f62ae88524 100644
> --- a/include/hw/core/cpu.h
> +++ b/include/hw/core/cpu.h
> @@ -243,7 +243,15 @@ typedef union {
>   
>   typedef void (*run_on_cpu_func)(CPUState *cpu, run_on_cpu_data data);
>   
> -struct qemu_work_item;
> +struct qemu_work_item {
> +    QSIMPLEQ_ENTRY(qemu_work_item) node;
> +    run_on_cpu_func func;
> +    run_on_cpu_data data;
> +    bool free, exclusive, done;
> +};
> +
> +void queue_work_on_cpu(CPUState *cpu, struct qemu_work_item *wi);
> +extern QemuCond qemu_work_cond;
>   
>   #define CPU_UNSET_NUMA_NODE_ID -1
>   #define CPU_TRACE_DSTATE_MAX_EVENTS 32
> 

Reviewed-by: David Hildenbrand <david@redhat.com>
diff mbox series

Patch

diff --git a/cpus-common.c b/cpus-common.c
index 6e73d3e58d..d814b2439a 100644
--- a/cpus-common.c
+++ b/cpus-common.c
@@ -27,7 +27,7 @@ 
 static QemuMutex qemu_cpu_list_lock;
 static QemuCond exclusive_cond;
 static QemuCond exclusive_resume;
-static QemuCond qemu_work_cond;
+QemuCond qemu_work_cond;
 
 /* >= 1 if a thread is inside start_exclusive/end_exclusive.  Written
  * under qemu_cpu_list_lock, read with atomic operations.
@@ -114,14 +114,7 @@  CPUState *qemu_get_cpu(int index)
 /* current CPU in the current thread. It is only valid inside cpu_exec() */
 __thread CPUState *current_cpu;
 
-struct qemu_work_item {
-    QSIMPLEQ_ENTRY(qemu_work_item) node;
-    run_on_cpu_func func;
-    run_on_cpu_data data;
-    bool free, exclusive, done;
-};
-
-static void queue_work_on_cpu(CPUState *cpu, struct qemu_work_item *wi)
+void queue_work_on_cpu(CPUState *cpu, struct qemu_work_item *wi)
 {
     qemu_mutex_lock(&cpu->work_mutex);
     QSIMPLEQ_INSERT_TAIL(&cpu->work_list, wi, node);
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index bc864564ce..f62ae88524 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -243,7 +243,15 @@  typedef union {
 
 typedef void (*run_on_cpu_func)(CPUState *cpu, run_on_cpu_data data);
 
-struct qemu_work_item;
+struct qemu_work_item {
+    QSIMPLEQ_ENTRY(qemu_work_item) node;
+    run_on_cpu_func func;
+    run_on_cpu_data data;
+    bool free, exclusive, done;
+};
+
+void queue_work_on_cpu(CPUState *cpu, struct qemu_work_item *wi);
+extern QemuCond qemu_work_cond;
 
 #define CPU_UNSET_NUMA_NODE_ID -1
 #define CPU_TRACE_DSTATE_MAX_EVENTS 32