From: Richard Henderson <richard.henderson@linaro.org>
Date: Wed, 8 Oct 2025 21:56:05 +0000 (-0700)
Subject: linux-user/aarch64: Release gcs stack on thread exit
X-Git-Tag: v10.2.0-rc1~67^2~11
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1c9448037758277eb3dae71f98be3bbfdc91f467;p=thirdparty%2Fqemu.git

linux-user/aarch64: Release gcs stack on thread exit

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20251008215613.300150-66-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index dffe6c2016..47a6b58cf5 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -9429,6 +9429,12 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
                              FUTEX_WAKE, INT_MAX, NULL, NULL, 0);
             }
 
+#ifdef TARGET_AARCH64
+            if (ts->gcs_base) {
+                target_munmap(ts->gcs_base, ts->gcs_size);
+            }
+#endif
+
             object_unparent(OBJECT(cpu));
             object_unref(OBJECT(cpu));
             /*