On 3/12/25 20:44, Richard Henderson wrote:
The mmap_lock is user-only, whereas watchpoint.c
is only compiled for system mode.

Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
  accel/tcg/watchpoint.c | 3 ---
  1 file changed, 3 deletions(-)

diff --git a/accel/tcg/watchpoint.c b/accel/tcg/watchpoint.c
index 65b21884ce..cfb37a49e7 100644
--- a/accel/tcg/watchpoint.c
+++ b/accel/tcg/watchpoint.c
@@ -124,17 +124,14 @@ void cpu_check_watchpoint(CPUState *cpu, vaddr addr, 
vaddr len,
              }
              cpu->watchpoint_hit = wp;
- mmap_lock();
              /* This call also restores vCPU state */
              tb_check_watchpoint(cpu, ra);
              if (wp->flags & BP_STOP_BEFORE_ACCESS) {
                  cpu->exception_index = EXCP_DEBUG;
-                mmap_unlock();
                  cpu_loop_exit(cpu);
              } else {
                  /* Force execution of one insn next time.  */
                  cpu->cflags_next_tb = 1 | CF_NOIRQ | curr_cflags(cpu);
-                mmap_unlock();
                  cpu_loop_exit_noexc(cpu);
              }
          } else {

Hum, how can we link that today?
Answer to myself: a stub in page-protection.h.

Maybe would be worth to add a g_assert_not_reached() in mmap_lock, and do the small cleanup for concerned places.

Reviewed-by: Pierrick Bouvier <pierrick.bouv...@linaro.org>


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