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Tsirkin" , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 1/3] system/physmem: Replace qemu_mutex_lock() calls with QEMU_LOCK_GUARD Date: Tue, 7 May 2024 14:30:23 +0200 Message-ID: <20240507123025.93391-2-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240507123025.93391-1-philmd@linaro.org> References: <20240507123025.93391-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::22e; envelope-from=philmd@linaro.org; helo=mail-lj1-x22e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1715085108908100001 Simplify cpu_[un]register_map_client() and cpu_notify_map_clients() by replacing the pair of qemu_mutex_lock/qemu_mutex_unlock calls by the WITH_QEMU_LOCK_GUARD() macro. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- system/physmem.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/system/physmem.c b/system/physmem.c index d3a3d8a45c..5486014cf2 100644 --- a/system/physmem.c +++ b/system/physmem.c @@ -3086,7 +3086,7 @@ void cpu_register_map_client(QEMUBH *bh) { MapClient *client =3D g_malloc(sizeof(*client)); =20 - qemu_mutex_lock(&map_client_list_lock); + QEMU_LOCK_GUARD(&map_client_list_lock); client->bh =3D bh; QLIST_INSERT_HEAD(&map_client_list, client, link); /* Write map_client_list before reading in_use. */ @@ -3094,7 +3094,6 @@ void cpu_register_map_client(QEMUBH *bh) if (!qatomic_read(&bounce.in_use)) { cpu_notify_map_clients_locked(); } - qemu_mutex_unlock(&map_client_list_lock); } =20 void cpu_exec_init_all(void) @@ -3117,21 +3116,19 @@ void cpu_unregister_map_client(QEMUBH *bh) { MapClient *client; =20 - qemu_mutex_lock(&map_client_list_lock); + QEMU_LOCK_GUARD(&map_client_list_lock); QLIST_FOREACH(client, &map_client_list, link) { if (client->bh =3D=3D bh) { cpu_unregister_map_client_do(client); break; } } - qemu_mutex_unlock(&map_client_list_lock); } =20 static void cpu_notify_map_clients(void) { - qemu_mutex_lock(&map_client_list_lock); + QEMU_LOCK_GUARD(&map_client_list_lock); cpu_notify_map_clients_locked(); - qemu_mutex_unlock(&map_client_list_lock); } =20 static bool flatview_access_valid(FlatView *fv, hwaddr addr, hwaddr len, --=20 2.41.0