[PATCH v7 01/40] accel: Simplify qemu_init_vcpu()

Philippe Mathieu-Daudé posted 40 patches 4 years, 4 months ago
Maintainers: Aurelien Jarno <aurelien@aurel32.net>, Cornelia Huck <cohuck@redhat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Thomas Huth <thuth@redhat.com>, Jiaxun Yang <jiaxun.yang@flygoat.com>
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[PATCH v7 01/40] accel: Simplify qemu_init_vcpu()
Posted by Philippe Mathieu-Daudé 4 years, 4 months ago
cpus_register_accel() already checks for ops->create_vcpu_thread
being non-NULL, so it is pointless to re-check for it in
qemu_init_vcpu().

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 softmmu/cpus.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/softmmu/cpus.c b/softmmu/cpus.c
index 071085f840b..646326b24fd 100644
--- a/softmmu/cpus.c
+++ b/softmmu/cpus.c
@@ -604,7 +604,10 @@ void cpu_remove_sync(CPUState *cpu)
 void cpus_register_accel(const AccelOpsClass *ops)
 {
     assert(ops != NULL);
-    assert(ops->create_vcpu_thread != NULL); /* mandatory */
+
+    /* Mandatory non-NULL handlers */
+    assert(ops->create_vcpu_thread != NULL);
+
     cpus_accel = ops;
 }
 
@@ -626,7 +629,7 @@ void qemu_init_vcpu(CPUState *cpu)
     }
 
     /* accelerators all implement the AccelOpsClass */
-    g_assert(cpus_accel != NULL && cpus_accel->create_vcpu_thread != NULL);
+    g_assert(cpus_accel != NULL);
     cpus_accel->create_vcpu_thread(cpu);
 
     while (!cpu->created) {
-- 
2.31.1

Re: [PATCH v7 01/40] accel: Simplify qemu_init_vcpu()
Posted by Richard Henderson 4 years, 4 months ago
On 9/25/21 10:50 AM, Philippe Mathieu-Daudé wrote:
> cpus_register_accel() already checks for ops->create_vcpu_thread
> being non-NULL, so it is pointless to re-check for it in
> qemu_init_vcpu().
> 
> Signed-off-by: Philippe Mathieu-Daudé<f4bug@amsat.org>
> ---
>   softmmu/cpus.c | 7 +++++--
>   1 file changed, 5 insertions(+), 2 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~