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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2020-07-02 12:40:17 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2020-07-10 18:02:24 -0400
commit421a75e283f6bad2ac64119ecf6a1dfd3ebfda61 (patch)
tree197a3065cd878cd0d18efb36bd27020cca293a1c /cpus-common.c
parentcbe0dad1906d29d9ea83169b672e9e709c9fc1f8 (diff)
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cpus: Move CPU code from exec.c to cpus-common.c
This code was introduced with SMP support in commit 6a00d60127, later commit 267f685b8b moved CPU list management to common code but forgot this code. Move now and simplify ifdef'ry. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200702104017.14057-1-philmd@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'cpus-common.c')
-rw-r--r--cpus-common.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/cpus-common.c b/cpus-common.c
index 8f5512b..34044f4 100644
--- a/cpus-common.c
+++ b/cpus-common.c
@@ -72,6 +72,8 @@ static int cpu_get_free_index(void)
return max_cpu_index;
}
+CPUTailQ cpus = QTAILQ_HEAD_INITIALIZER(cpus);
+
void cpu_list_add(CPUState *cpu)
{
QEMU_LOCK_GUARD(&qemu_cpu_list_lock);
@@ -96,6 +98,22 @@ void cpu_list_remove(CPUState *cpu)
cpu->cpu_index = UNASSIGNED_CPU_INDEX;
}
+CPUState *qemu_get_cpu(int index)
+{
+ CPUState *cpu;
+
+ CPU_FOREACH(cpu) {
+ if (cpu->cpu_index == index) {
+ return cpu;
+ }
+ }
+
+ return NULL;
+}
+
+/* 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;