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authorPaolo Bonzini <pbonzini@redhat.com>2025-08-08 18:55:48 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2025-09-17 19:00:55 +0200
commitf084ff128b6136e1aebfd73e1cf7066a077a79bf (patch)
treed79f494cbc5bc28369bedfee0cdc5fed2d765a94 /accel/kvm/kvm-all.c
parentac6c8a390b451913995ee784ef7261b8928e5ace (diff)
downloadfocaccia-qemu-f084ff128b6136e1aebfd73e1cf7066a077a79bf.tar.gz
focaccia-qemu-f084ff128b6136e1aebfd73e1cf7066a077a79bf.zip
accel: use atomic accesses for exit_request
CPU threads write exit_request as a "note to self" that they need to
go out to a slow path.  This write happens out of the BQL and can be
a data race with another threads' cpu_exit(); use atomic accesses
consistently.

While at it, change the source argument from int ("1") to bool ("true").

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'accel/kvm/kvm-all.c')
-rw-r--r--accel/kvm/kvm-all.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index bd9e5e3886..e4167d94b4 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -3730,7 +3730,7 @@ int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr)
     have_sigbus_pending = true;
     pending_sigbus_addr = addr;
     pending_sigbus_code = code;
-    qatomic_set(&cpu->exit_request, 1);
+    qatomic_set(&cpu->exit_request, true);
     return 0;
 #else
     return 1;