From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: imammedo@redhat.com, richard.henderson@linaro.org, peterx@redhat.com
Subject: [PATCH 2/8] accel/hvf: check exit_request before running the vCPU
Date: Fri, 8 Aug 2025 20:58:59 +0200 [thread overview]
Message-ID: <20250808185905.62776-3-pbonzini@redhat.com> (raw)
In-Reply-To: <20250808185905.62776-1-pbonzini@redhat.com>
This is done by all other accelerators, but was missing for
Hypervisor.framework.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
target/arm/hvf/hvf.c | 4 ++++
target/i386/hvf/hvf.c | 4 ++++
2 files changed, 8 insertions(+)
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index b77db99079e..478bc75fee6 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -1927,6 +1927,10 @@ int hvf_vcpu_exec(CPUState *cpu)
flush_cpu_state(cpu);
bql_unlock();
+ /* Corresponding store-release is in cpu_exit. */
+ if (qatomic_load_acquire(&cpu->exit_request)) {
+ hv_vcpus_exit(&cpu->accel->fd, 1);
+ }
r = hv_vcpu_run(cpu->accel->fd);
bql_lock();
switch (r) {
diff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c
index 8445cadecec..b7c4b849cdf 100644
--- a/target/i386/hvf/hvf.c
+++ b/target/i386/hvf/hvf.c
@@ -749,6 +749,10 @@ int hvf_vcpu_exec(CPUState *cpu)
return EXCP_HLT;
}
+ /* Corresponding store-release is in cpu_exit. */
+ if (qatomic_load_acquire(&cpu->exit_request)) {
+ hv_vcpu_interrupt(&cpu->accel->fd, 1);
+ }
hv_return_t r = hv_vcpu_run_until(cpu->accel->fd, HV_DEADLINE_FOREVER);
assert_hvf_ok(r);
--
2.50.1
next prev parent reply other threads:[~2025-08-08 19:00 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-08 18:58 [PATCH 0/8] accel, cpus: clean up cpu->exit_request Paolo Bonzini
2025-08-08 18:58 ` [PATCH 1/8] accel: use store_release/load_acquire for cross-thread exit_request Paolo Bonzini
2025-08-09 22:41 ` Richard Henderson
2025-08-11 19:31 ` Peter Xu
2025-08-08 18:58 ` Paolo Bonzini [this message]
2025-08-08 21:28 ` [PATCH 2/8] accel/hvf: check exit_request before running the vCPU Philippe Mathieu-Daudé
2025-08-09 23:09 ` Richard Henderson
2025-08-11 7:06 ` Paolo Bonzini
2025-08-08 18:59 ` [PATCH 3/8] accel: use atomic accesses for exit_request Paolo Bonzini
2025-08-08 21:04 ` Philippe Mathieu-Daudé
2025-08-09 23:10 ` Richard Henderson
2025-08-11 14:49 ` Alex Bennée
2025-08-11 19:33 ` Peter Xu
2025-08-08 18:59 ` [PATCH 4/8] accel/tcg: introduce tcg_kick_vcpu_thread Paolo Bonzini
2025-08-08 21:15 ` Philippe Mathieu-Daudé
2025-08-09 23:16 ` Richard Henderson
2025-08-09 23:26 ` Richard Henderson
2025-08-11 6:10 ` Paolo Bonzini
2025-08-11 8:33 ` Philippe Mathieu-Daudé
2025-08-11 13:34 ` Philippe Mathieu-Daudé
2025-08-08 18:59 ` [PATCH 5/8] cpus: remove TCG-ism from cpu_exit() Paolo Bonzini
2025-08-08 21:17 ` Philippe Mathieu-Daudé
2025-08-09 23:17 ` Richard Henderson
2025-08-08 18:59 ` [PATCH 6/8] cpus: properly kick CPUs out of inner execution loop Paolo Bonzini
2025-08-11 12:56 ` Alex Bennée
2025-08-08 18:59 ` [PATCH 7/8] tcg/user: do not set exit_request gratuitously Paolo Bonzini
2025-08-08 21:21 ` Philippe Mathieu-Daudé
2025-08-08 21:45 ` Paolo Bonzini
2025-08-08 18:59 ` [PATCH 8/8] accel: make all calls to qemu_wait_io_event look the same Paolo Bonzini
2025-08-08 21:24 ` Philippe Mathieu-Daudé
2025-08-09 23:34 ` Richard Henderson
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