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authorJamie Iles <quic_jiles@quicinc.com>2023-04-27 03:09:24 +0100
committerRichard Henderson <richard.henderson@linaro.org>2023-05-11 09:53:41 +0100
commit370ed600296982a0248b091915c8e8893508d8a3 (patch)
tree62fb415ac26083490ed6fe112ffe904662211e5d /linux-user
parenteb0153efa6fa58b2c9d891b17766dbedc10e31b5 (diff)
cpu: expose qemu_cpu_list_lock for lock-guard use
Expose qemu_cpu_list_lock globally so that we can use WITH_QEMU_LOCK_GUARD and QEMU_LOCK_GUARD to simplify a few code paths now and in future. Signed-off-by: Jamie Iles <quic_jiles@quicinc.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230427020925.51003-2-quic_jiles@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/elfload.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 80085b8a30..418ad92598 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -17,6 +17,7 @@
#include "qemu/guest-random.h"
#include "qemu/units.h"
#include "qemu/selfmap.h"
+#include "qemu/lockable.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
#include "target_signal.h"
@@ -4238,14 +4239,14 @@ static int fill_note_info(struct elf_note_info *info,
info->notes_size += note_size(&info->notes[i]);
/* read and fill status of all threads */
- cpu_list_lock();
- CPU_FOREACH(cpu) {
- if (cpu == thread_cpu) {
- continue;
+ WITH_QEMU_LOCK_GUARD(&qemu_cpu_list_lock) {
+ CPU_FOREACH(cpu) {
+ if (cpu == thread_cpu) {
+ continue;
+ }
+ fill_thread_info(info, cpu->env_ptr);
}
- fill_thread_info(info, cpu->env_ptr);
}
- cpu_list_unlock();
return (0);
}