From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Alex Bennée" <alex.bennee@linaro.org>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Pierrick Bouvier" <pierrick.bouvier@linaro.org>
Subject: [RFC PATCH 11/19] accel/dummy: Factor tcg_vcpu_thread_precreate() out
Date: Fri, 6 Jun 2025 18:44:10 +0200 [thread overview]
Message-ID: <20250606164418.98655-12-philmd@linaro.org> (raw)
In-Reply-To: <20250606164418.98655-1-philmd@linaro.org>
Factor tcg_vcpu_thread_precreate() out for re-use.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
accel/tcg/tcg-accel-ops.h | 1 +
accel/tcg/tcg-accel-ops-mttcg.c | 3 +--
accel/tcg/tcg-accel-ops-rr.c | 3 +--
accel/tcg/tcg-accel-ops.c | 7 +++++++
4 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/accel/tcg/tcg-accel-ops.h b/accel/tcg/tcg-accel-ops.h
index 6feeb3f3e9b..129af89c3e7 100644
--- a/accel/tcg/tcg-accel-ops.h
+++ b/accel/tcg/tcg-accel-ops.h
@@ -14,6 +14,7 @@
#include "system/cpus.h"
+void tcg_vcpu_thread_precreate(CPUState *cpu);
void tcg_cpu_destroy(CPUState *cpu);
int tcg_cpu_exec(CPUState *cpu);
void tcg_handle_interrupt(CPUState *cpu, int mask);
diff --git a/accel/tcg/tcg-accel-ops-mttcg.c b/accel/tcg/tcg-accel-ops-mttcg.c
index dfcee30947e..462be7596b9 100644
--- a/accel/tcg/tcg-accel-ops-mttcg.c
+++ b/accel/tcg/tcg-accel-ops-mttcg.c
@@ -133,8 +133,7 @@ void mttcg_start_vcpu_thread(CPUState *cpu)
{
char thread_name[VCPU_THREAD_NAME_SIZE];
- g_assert(tcg_enabled());
- tcg_cpu_init_cflags(cpu, current_machine->smp.max_cpus > 1);
+ tcg_vcpu_thread_precreate(cpu);
/* create a thread per vCPU with TCG (MTTCG) */
snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/TCG",
diff --git a/accel/tcg/tcg-accel-ops-rr.c b/accel/tcg/tcg-accel-ops-rr.c
index 6eec5c9eee9..fc33a13e4e8 100644
--- a/accel/tcg/tcg-accel-ops-rr.c
+++ b/accel/tcg/tcg-accel-ops-rr.c
@@ -311,8 +311,7 @@ void rr_start_vcpu_thread(CPUState *cpu)
static QemuCond *single_tcg_halt_cond;
static QemuThread *single_tcg_cpu_thread;
- g_assert(tcg_enabled());
- tcg_cpu_init_cflags(cpu, false);
+ tcg_vcpu_thread_precreate(cpu);
if (!single_tcg_cpu_thread) {
single_tcg_halt_cond = cpu->halt_cond;
diff --git a/accel/tcg/tcg-accel-ops.c b/accel/tcg/tcg-accel-ops.c
index da2e22a7dff..e58e1c3738f 100644
--- a/accel/tcg/tcg-accel-ops.c
+++ b/accel/tcg/tcg-accel-ops.c
@@ -41,6 +41,7 @@
#include "gdbstub/enums.h"
#include "hw/core/cpu.h"
+#include "hw/boards.h"
#include "tcg-accel-ops.h"
#include "tcg-accel-ops-mttcg.h"
@@ -68,6 +69,12 @@ void tcg_cpu_init_cflags(CPUState *cpu, bool parallel)
tcg_cflags_set(cpu, cflags);
}
+void tcg_vcpu_thread_precreate(CPUState *cpu)
+{
+ g_assert(tcg_enabled());
+ tcg_cpu_init_cflags(cpu, current_machine->smp.max_cpus > 1);
+}
+
void tcg_cpu_destroy(CPUState *cpu)
{
cpu_thread_signal_destroyed(cpu);
--
2.49.0
next prev parent reply other threads:[~2025-06-06 16:47 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-06 16:43 [RFC PATCH 00/19] accel: Preparatory cleanups for split-accel Philippe Mathieu-Daudé
2025-06-06 16:44 ` [RFC PATCH 01/19] hw/arm/virt: Only require TCG || QTest to use virtualization extension Philippe Mathieu-Daudé
2025-06-07 13:18 ` Richard Henderson
2025-06-11 13:37 ` Alex Bennée
2025-06-11 13:45 ` Miguel Luis
2025-06-11 14:31 ` Alex Bennée
2025-06-11 14:38 ` Miguel Luis
2025-06-06 16:44 ` [RFC PATCH 02/19] system/cpus: Only kick running vCPUs Philippe Mathieu-Daudé
2025-06-07 13:23 ` Richard Henderson
2025-06-16 8:21 ` Philippe Mathieu-Daudé
2025-06-17 9:42 ` Alex Bennée
2025-06-06 16:44 ` [RFC PATCH 03/19] accel: Keep reference to AccelOpsClass in AccelClass Philippe Mathieu-Daudé
2025-06-07 13:35 ` Richard Henderson
2025-06-11 13:42 ` Alex Bennée
2025-06-06 16:44 ` [RFC PATCH 04/19] accel: Propagate AccelState to AccelClass::init_machine() Philippe Mathieu-Daudé
2025-06-07 13:31 ` Richard Henderson
2025-06-11 13:42 ` Alex Bennée
2025-06-06 16:44 ` [RFC PATCH 05/19] accel/kvm: Prefer local AccelState over global MachineState::accel Philippe Mathieu-Daudé
2025-06-07 13:30 ` Richard Henderson
2025-06-06 16:44 ` [RFC PATCH 06/19] accel/hvf: Fix TYPE_HVF_ACCEL instance size Philippe Mathieu-Daudé
2025-06-07 13:29 ` Richard Henderson
2025-06-06 16:44 ` [RFC PATCH 07/19] accel/hvf: Re-use QOM allocated state Philippe Mathieu-Daudé
2025-06-07 13:30 ` Richard Henderson
2025-06-06 16:44 ` [RFC PATCH 08/19] accel/tcg: Prefer local AccelState over global current_accel() Philippe Mathieu-Daudé
2025-06-07 13:37 ` Richard Henderson
2025-06-06 16:44 ` [RFC PATCH 09/19] accel: Factor accel_cpu_realize() out Philippe Mathieu-Daudé
2025-06-11 13:46 ` Alex Bennée
2025-06-06 16:44 ` [RFC PATCH 10/19] accel/dummy: Factor dummy_thread_precreate() out Philippe Mathieu-Daudé
2025-06-06 16:44 ` Philippe Mathieu-Daudé [this message]
2025-06-06 16:44 ` [RFC PATCH 12/19] accel: Factor accel_create_vcpu_thread() out Philippe Mathieu-Daudé
2025-06-06 16:44 ` [RFC PATCH 13/19] accel: Introduce AccelOpsClass::cpu_thread_routine handler Philippe Mathieu-Daudé
2025-06-11 14:09 ` Alex Bennée
2025-06-06 16:44 ` [RFC PATCH 14/19] accel/dummy: Convert to AccelOpsClass::cpu_thread_routine Philippe Mathieu-Daudé
2025-06-06 16:44 ` [RFC PATCH 15/19] accel/tcg: " Philippe Mathieu-Daudé
2025-06-06 16:44 ` [RFC PATCH 16/19] accel/hvf: " Philippe Mathieu-Daudé
2025-06-06 16:44 ` [RFC PATCH 17/19] accel/kvm: " Philippe Mathieu-Daudé
2025-06-06 16:44 ` [RFC PATCH 18/19] accel/nvmm: " Philippe Mathieu-Daudé
2025-06-06 16:44 ` [RFC PATCH 19/19] accel/whpx: " Philippe Mathieu-Daudé
2025-06-11 14:00 ` [RFC PATCH 00/19] accel: Preparatory cleanups for split-accel Alex Bennée
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