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Cota" To: qemu-devel@nongnu.org Date: Thu, 13 Dec 2018 00:03:55 -0500 Message-Id: <20181213050453.9677-16-cota@braap.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181213050453.9677-1-cota@braap.org> References: <20181213050453.9677-1-cota@braap.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.111.4.25 Subject: [Qemu-devel] [PATCH v5 15/73] cpu: define cpu_halted helpers X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" cpu->halted will soon be protected by cpu->lock. We will use these helpers to ease the transition, since right now cpu->halted has many direct callers. Reviewed-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e Signed-off-by: Emilio G. Cota --- include/qom/cpu.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/include/qom/cpu.h b/include/qom/cpu.h index 505daa6ce9..9c5aad1797 100644 --- a/include/qom/cpu.h +++ b/include/qom/cpu.h @@ -481,6 +481,30 @@ bool cpu_mutex_locked(const CPUState *cpu); */ bool no_cpu_mutex_locked(void); =20 +static inline uint32_t cpu_halted(CPUState *cpu) +{ + uint32_t ret; + + if (cpu_mutex_locked(cpu)) { + return cpu->halted; + } + cpu_mutex_lock(cpu); + ret =3D cpu->halted; + cpu_mutex_unlock(cpu); + return ret; +} + +static inline void cpu_halted_set(CPUState *cpu, uint32_t val) +{ + if (cpu_mutex_locked(cpu)) { + cpu->halted =3D val; + return; + } + cpu_mutex_lock(cpu); + cpu->halted =3D val; + cpu_mutex_unlock(cpu); +} + static inline void cpu_tb_jmp_cache_clear(CPUState *cpu) { unsigned int i; --=20 2.17.1