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[Qemu-devel] qemu-kvm vs. qemu: Terminate cpu loop on reset?
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] qemu-kvm vs. qemu: Terminate cpu loop on reset? |
Date: |
Fri, 07 Jan 2011 16:57:31 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
Hi,
does anyone immediately know if this hunk from vl.c
@@ -1278,6 +1197,10 @@ void qemu_system_reset_request(void)
} else {
reset_requested = 1;
}
+ if (cpu_single_env) {
+ cpu_single_env->stopped = 1;
+ cpu_exit(cpu_single_env);
+ }
qemu_notify_event();
}
is (semantically) relevant for upstream as well? IIUC, it ensures that
the kvm cpu loop is not continued if an IO access called into
qemu_system_reset_request.
If yes, then it would be a good time to push a patch: these bits will
fall to dust on next merge from upstream (vl.c no longer has access to
the cpu state).
Jan
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- [Qemu-devel] qemu-kvm vs. qemu: Terminate cpu loop on reset?,
Jan Kiszka <=
- [Qemu-devel] Re: qemu-kvm vs. qemu: Terminate cpu loop on reset?, Gleb Natapov, 2011/01/07
- [Qemu-devel] Re: qemu-kvm vs. qemu: Terminate cpu loop on reset?, Jan Kiszka, 2011/01/07
- [Qemu-devel] Re: qemu-kvm vs. qemu: Terminate cpu loop on reset?, Gleb Natapov, 2011/01/07
- [Qemu-devel] Re: qemu-kvm vs. qemu: Terminate cpu loop on reset?, Jan Kiszka, 2011/01/07
- [Qemu-devel] Re: qemu-kvm vs. qemu: Terminate cpu loop on reset?, Gleb Natapov, 2011/01/07
- [Qemu-devel] Re: qemu-kvm vs. qemu: Terminate cpu loop on reset?, Jan Kiszka, 2011/01/07
- [Qemu-devel] Re: qemu-kvm vs. qemu: Terminate cpu loop on reset?, Jan Kiszka, 2011/01/07
- [Qemu-devel] Re: qemu-kvm vs. qemu: Terminate cpu loop on reset?, Gleb Natapov, 2011/01/07
- [Qemu-devel] Re: qemu-kvm vs. qemu: Terminate cpu loop on reset?, Jan Kiszka, 2011/01/07
- [Qemu-devel] Re: qemu-kvm vs. qemu: Terminate cpu loop on reset?, Gleb Natapov, 2011/01/07