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[Qemu-devel] [PATCH v2 07/20] kvm: Add in-kernel irqchip awareness to cp
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [PATCH v2 07/20] kvm: Add in-kernel irqchip awareness to cpu_thread_is_idle |
Date: |
Tue, 15 Mar 2011 12:26:18 +0100 |
With in-kernel irqchip support enabled, the vcpu threads sleep in kernel
space while halted. Account for this difference in cpu_thread_is_idle.
Signed-off-by: Jan Kiszka <address@hidden>
---
cpus.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/cpus.c b/cpus.c
index 975a6ce..d310b7e 100644
--- a/cpus.c
+++ b/cpus.c
@@ -148,7 +148,8 @@ static bool cpu_thread_is_idle(CPUState *env)
if (env->stopped || !vm_running) {
return true;
}
- if (!env->halted || qemu_cpu_has_work(env)) {
+ if (!env->halted || qemu_cpu_has_work(env) ||
+ (kvm_enabled() && kvm_irqchip_in_kernel())) {
return false;
}
return true;
--
1.7.1
[Qemu-devel] [PATCH v2 08/20] kvm: x86: Do not leave halt if interrupts are disabled, Jan Kiszka, 2011/03/15
[Qemu-devel] [PATCH v2 10/20] x86: Properly reset PAT MSR, Jan Kiszka, 2011/03/15
[Qemu-devel] [PATCH v2 07/20] kvm: Add in-kernel irqchip awareness to cpu_thread_is_idle,
Jan Kiszka <=
[Qemu-devel] [PATCH v2 12/20] kvm: x86: Synchronize PAT MSR with the kernel, Jan Kiszka, 2011/03/15
[Qemu-devel] [PATCH v2 03/20] s390: Detect invalid invocations of qemu_ram_free/remap, Jan Kiszka, 2011/03/15
[Qemu-devel] [PATCH v2 02/20] x86: Unbreak TCG support for hardware breakpoints, Jan Kiszka, 2011/03/15
[Qemu-devel] [PATCH v2 05/20] Redirect cpu_interrupt to callback handler, Jan Kiszka, 2011/03/15
[Qemu-devel] [PATCH v2 04/20] Break up user and system cpu_interrupt implementations, Jan Kiszka, 2011/03/15
[Qemu-devel] [PATCH v2 09/20] kvm: Mark VCPU state dirty on creation, Jan Kiszka, 2011/03/15
[Qemu-devel] [PATCH v2 16/20] kvm: Rework inner loop of kvm_cpu_exec, Jan Kiszka, 2011/03/15
[Qemu-devel] [PATCH v2 11/20] x86: Save/restore PAT MSR, Jan Kiszka, 2011/03/15
[Qemu-devel] [PATCH v2 20/20] Expose thread_id in info cpus, Jan Kiszka, 2011/03/15
[Qemu-devel] [PATCH v2 14/20] kvm: Keep KVM_RUN return value in separate variable, Jan Kiszka, 2011/03/15