hax-all: make async_safe_run_on_cpu safe on HAX too

[Qemu-devel] [PATCH] hax-all: make async_safe_run_on_cpu safe on HAX too

Paolo Bonzini posted 1 patch 8 years, 4 months ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20170608144949.7918-1-pbonzini@redhat.com

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target/i386/hax-all.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

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[Qemu-devel] [PATCH] hax-all: make async_safe_run_on_cpu safe on HAX too

Posted by Paolo Bonzini 8 years, 4 months ago

While at it, drop the current_cpu assignment since this is a
per-thread variable on modern QEMU.

Cc: Vincent Palatin <vpalatin@chromium.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/hax-all.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/target/i386/hax-all.c b/target/i386/hax-all.c
index 097db5cae1..ba6117d7de 100644
--- a/target/i386/hax-all.c
+++ b/target/i386/hax-all.c
@@ -514,9 +514,10 @@ static int hax_vcpu_hax_exec(CPUArchState *env)
         hax_vcpu_interrupt(env);
 
         qemu_mutex_unlock_iothread();
+        cpu_exec_start(cpu);
         hax_ret = hax_vcpu_run(vcpu);
+        cpu_exec_end(cpu);
         qemu_mutex_lock_iothread();
-        current_cpu = cpu;
 
         /* Simply continue the vcpu_run if system call interrupted */
         if (hax_ret == -EINTR || hax_ret == -EAGAIN) {
-- 
2.13.0