Re: [PATCH] cpu: fix memleak of 'halt_cond' and 'thread'

2024-06-17 Thread Michael Tokarev

12.06.2024 20:04, Matheus Tavares Bernardino wrote:

Since a4c2735f35 (cpu: move Qemu[Thread|Cond] setup into common code,
2024-05-30) these fields are now allocated at cpu_common_initfn(). So
let's make sure we also free them at cpu_common_finalize().

Furthermore, the code also frees these on round robin, but we missed
'halt_cond'.


Applied to trivial-patches, thanks!

/mjt



Re: [PATCH] cpu: fix memleak of 'halt_cond' and 'thread'

2024-06-14 Thread Pierrick Bouvier

On 6/12/24 10:04, Matheus Tavares Bernardino wrote:

Since a4c2735f35 (cpu: move Qemu[Thread|Cond] setup into common code,
2024-05-30) these fields are now allocated at cpu_common_initfn(). So
let's make sure we also free them at cpu_common_finalize().

Furthermore, the code also frees these on round robin, but we missed
'halt_cond'.

Signed-off-by: Matheus Tavares Bernardino 
---
  accel/tcg/tcg-accel-ops-rr.c | 1 +
  hw/core/cpu-common.c | 3 +++
  2 files changed, 4 insertions(+)

diff --git a/accel/tcg/tcg-accel-ops-rr.c b/accel/tcg/tcg-accel-ops-rr.c
index 84c36c1450..48c38714bd 100644
--- a/accel/tcg/tcg-accel-ops-rr.c
+++ b/accel/tcg/tcg-accel-ops-rr.c
@@ -329,6 +329,7 @@ void rr_start_vcpu_thread(CPUState *cpu)
  /* we share the thread, dump spare data */
  g_free(cpu->thread);
  qemu_cond_destroy(cpu->halt_cond);
+g_free(cpu->halt_cond);
  cpu->thread = single_tcg_cpu_thread;
  cpu->halt_cond = single_tcg_halt_cond;
  
diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c

index bf1a7b8892..f131cde2c0 100644
--- a/hw/core/cpu-common.c
+++ b/hw/core/cpu-common.c
@@ -286,6 +286,9 @@ static void cpu_common_finalize(Object *obj)
  g_array_free(cpu->gdb_regs, TRUE);
  qemu_lockcnt_destroy(>in_ioctl_lock);
  qemu_mutex_destroy(>work_mutex);
+qemu_cond_destroy(cpu->halt_cond);
+g_free(cpu->halt_cond);
+g_free(cpu->thread);
  }
  
  static int64_t cpu_common_get_arch_id(CPUState *cpu)


Reviewed-by: Pierrick Bouvier 



Re: [PATCH] cpu: fix memleak of 'halt_cond' and 'thread'

2024-06-13 Thread Philippe Mathieu-Daudé

On 12/6/24 19:04, Matheus Tavares Bernardino wrote:

Since a4c2735f35 (cpu: move Qemu[Thread|Cond] setup into common code,
2024-05-30) these fields are now allocated at cpu_common_initfn(). So
let's make sure we also free them at cpu_common_finalize().

Furthermore, the code also frees these on round robin, but we missed
'halt_cond'.

Signed-off-by: Matheus Tavares Bernardino 
---
  accel/tcg/tcg-accel-ops-rr.c | 1 +
  hw/core/cpu-common.c | 3 +++
  2 files changed, 4 insertions(+)


Reviewed-by: Philippe Mathieu-Daudé 




[PATCH] cpu: fix memleak of 'halt_cond' and 'thread'

2024-06-12 Thread Matheus Tavares Bernardino
Since a4c2735f35 (cpu: move Qemu[Thread|Cond] setup into common code,
2024-05-30) these fields are now allocated at cpu_common_initfn(). So
let's make sure we also free them at cpu_common_finalize().

Furthermore, the code also frees these on round robin, but we missed
'halt_cond'.

Signed-off-by: Matheus Tavares Bernardino 
---
 accel/tcg/tcg-accel-ops-rr.c | 1 +
 hw/core/cpu-common.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/accel/tcg/tcg-accel-ops-rr.c b/accel/tcg/tcg-accel-ops-rr.c
index 84c36c1450..48c38714bd 100644
--- a/accel/tcg/tcg-accel-ops-rr.c
+++ b/accel/tcg/tcg-accel-ops-rr.c
@@ -329,6 +329,7 @@ void rr_start_vcpu_thread(CPUState *cpu)
 /* we share the thread, dump spare data */
 g_free(cpu->thread);
 qemu_cond_destroy(cpu->halt_cond);
+g_free(cpu->halt_cond);
 cpu->thread = single_tcg_cpu_thread;
 cpu->halt_cond = single_tcg_halt_cond;
 
diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c
index bf1a7b8892..f131cde2c0 100644
--- a/hw/core/cpu-common.c
+++ b/hw/core/cpu-common.c
@@ -286,6 +286,9 @@ static void cpu_common_finalize(Object *obj)
 g_array_free(cpu->gdb_regs, TRUE);
 qemu_lockcnt_destroy(>in_ioctl_lock);
 qemu_mutex_destroy(>work_mutex);
+qemu_cond_destroy(cpu->halt_cond);
+g_free(cpu->halt_cond);
+g_free(cpu->thread);
 }
 
 static int64_t cpu_common_get_arch_id(CPUState *cpu)
-- 
2.37.2