[v7] target/arm: Implement FEAT_GCS

[PATCH v7 65/73] linux-user/aarch64: Release gcs stack on thread exit

Richard Henderson posted 73 patches 1 month, 1 week ago

Diff against v1 v2 v3 v4 v5 v6
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Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, Zhao Liu <zhao1.liu@intel.com>, Laurent Vivier <laurent@vivier.eu>, Peter Maydell <peter.maydell@linaro.org>, Alex Williamson <alex.williamson@redhat.com>, "Cédric Le Goater" <clg@redhat.com>, Radoslaw Biernacki <rad@semihalf.com>, Leif Lindholm <leif.lindholm@oss.qualcomm.com>

[PATCH v7 65/73] linux-user/aarch64: Release gcs stack on thread exit

Posted by Richard Henderson 1 month, 1 week ago

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/syscall.c | 6 ++++++
 1 file changed, 6 insertions(+)

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));
             /*
-- 
2.43.0