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[Qemu-devel] [PULL 12/17] kvm: use atomic_read/atomic_set to access cpu-
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PULL 12/17] kvm: use atomic_read/atomic_set to access cpu->exit_request |
Date: |
Fri, 24 Feb 2017 18:40:25 +0100 |
Signed-off-by: Paolo Bonzini <address@hidden>
---
kvm-all.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kvm-all.c b/kvm-all.c
index d7d5a71..1a96c27 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1931,7 +1931,7 @@ int kvm_cpu_exec(CPUState *cpu)
DPRINTF("kvm_cpu_exec()\n");
if (kvm_arch_process_async_events(cpu)) {
- cpu->exit_request = 0;
+ atomic_set(&cpu->exit_request, 0);
return EXCP_HLT;
}
@@ -1946,7 +1946,7 @@ int kvm_cpu_exec(CPUState *cpu)
}
kvm_arch_pre_run(cpu, run);
- if (cpu->exit_request) {
+ if (atomic_read(&cpu->exit_request)) {
DPRINTF("interrupt exit requested\n");
/*
* KVM requires us to reenter the kernel after IO exits to complete
@@ -2065,7 +2065,7 @@ int kvm_cpu_exec(CPUState *cpu)
vm_stop(RUN_STATE_INTERNAL_ERROR);
}
- cpu->exit_request = 0;
+ atomic_set(&cpu->exit_request, 0);
return ret;
}
--
1.8.3.1
- [Qemu-devel] [PULL 00/17] KVM and cpu-exec patches for 2.9 soft freeze, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 01/17] cpu-exec: unify icount_decr and tcg_exit_req, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 02/17] replay: check icount in cpu exec loop, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 03/17] cpu-exec: remove unnecessary check of cpu->exit_request, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 04/17] update-linux-headers: update for 4.11, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 06/17] cpus: remove ugly cast on sigbus_handler, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 07/17] KVM: x86: cleanup SIGBUS handlers, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 08/17] cpus: reorganize signal handling code, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 09/17] KVM: remove kvm_arch_on_sigbus, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 12/17] kvm: use atomic_read/atomic_set to access cpu->exit_request,
Paolo Bonzini <=
- [Qemu-devel] [PULL 13/17] KVM: use KVM_CAP_IMMEDIATE_EXIT, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 15/17] vmxcap: update for September 2016 SDM, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 11/17] KVM: move SIG_IPI handling to kvm-all.c, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 05/17] update Linux headers to 4.11, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 14/17] vmxcap: port to Python 3, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 17/17] qmp-events: fix GUEST_PANICKED description formatting, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 10/17] KVM: do not use sigtimedwait to catch SIGBUS, Paolo Bonzini, 2017/02/24
- [Qemu-devel] [PULL 16/17] qapi: flatten GuestPanicInformation union, Paolo Bonzini, 2017/02/24
- Re: [Qemu-devel] [PULL 00/17] KVM and cpu-exec patches for 2.9 soft freeze, no-reply, 2017/02/24
- Re: [Qemu-devel] [PULL 00/17] KVM and cpu-exec patches for 2.9 soft freeze, Peter Maydell, 2017/02/25