Misc HW/UI patches for 2023-11-06

[PULL 39/60] exec/cpu: Have cpu_exec_realize() return a boolean

Philippe Mathieu-Daudé posted 60 patches 1 year ago

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Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Riku Voipio <riku.voipio@iki.fi>, Peter Maydell <peter.maydell@linaro.org>, Titus Rwantare <titusr@google.com>, John Snow <jsnow@redhat.com>, "Hervé Poussineau" <hpoussin@reactos.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Tyrone Ting <kfting@nuvoton.com>, Hao Wu <wuhaotsh@google.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Yanan Wang <wangyanan55@huawei.com>, "Michael S. Tsirkin" <mst@redhat.com>, Laurent Vivier <laurent@vivier.eu>, "Alex Bennée" <alex.bennee@linaro.org>, Alexandre Iooss <erdnaxe@crans.org>, Mahmoud Mandour <ma.mandourr@gmail.com>, Michael Rolnik <mrolnik@gmail.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Brian Cain <bcain@quicinc.com>, Cameron Esfahani <dirty@apple.com>, Roman Bolshakov <rbolshakov@ddn.com>, Marcelo Tosatti <mtosatti@redhat.com>, Song Gao <gaosong@loongson.cn>, Aurelien Jarno <aurelien@aurel32.net>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Chris Wulff <crwulff@gmail.com>, Marek Vasut <marex@denx.de>, Stafford Horne <shorne@gmail.com>, Nicholas Piggin <npiggin@gmail.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Weiwei Li <liweiwei@iscas.ac.cn>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, Thomas Huth <thuth@redhat.com>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Max Filippov <jcmvbkbc@gmail.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>

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[PULL 39/60] exec/cpu: Have cpu_exec_realize() return a boolean

Posted by Philippe Mathieu-Daudé 1 year ago

Following the example documented since commit e3fe3988d7 ("error:
Document Error API usage rules"), have cpu_exec_realizefn()
return a boolean indicating whether an error is set or not.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230918160257.30127-22-philmd@linaro.org>
---
 include/hw/core/cpu.h | 2 +-
 cpu-target.c          | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 5d6f8dca43..eb943efb8f 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -1152,7 +1152,7 @@ G_NORETURN void cpu_abort(CPUState *cpu, const char *fmt, ...)
 /* $(top_srcdir)/cpu.c */
 void cpu_class_init_props(DeviceClass *dc);
 void cpu_exec_initfn(CPUState *cpu);
-void cpu_exec_realizefn(CPUState *cpu, Error **errp);
+bool cpu_exec_realizefn(CPUState *cpu, Error **errp);
 void cpu_exec_unrealizefn(CPUState *cpu);
 void cpu_exec_reset_hold(CPUState *cpu);
 
diff --git a/cpu-target.c b/cpu-target.c
index 79363ae370..f3e1ad8bcd 100644
--- a/cpu-target.c
+++ b/cpu-target.c
@@ -131,13 +131,13 @@ const VMStateDescription vmstate_cpu_common = {
 };
 #endif
 
-void cpu_exec_realizefn(CPUState *cpu, Error **errp)
+bool cpu_exec_realizefn(CPUState *cpu, Error **errp)
 {
     /* cache the cpu class for the hotpath */
     cpu->cc = CPU_GET_CLASS(cpu);
 
     if (!accel_cpu_common_realize(cpu, errp)) {
-        return;
+        return false;
     }
 
     /* Wait until cpu initialization complete before exposing cpu. */
@@ -159,6 +159,8 @@ void cpu_exec_realizefn(CPUState *cpu, Error **errp)
         vmstate_register(NULL, cpu->cpu_index, cpu->cc->sysemu_ops->legacy_vmsd, cpu);
     }
 #endif /* CONFIG_USER_ONLY */
+
+    return true;
 }
 
 void cpu_exec_unrealizefn(CPUState *cpu)
-- 
2.41.0