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[Qemu-devel] Re: [PATCH 03/15] kvm: Install optimized interrupt handlers
From: |
Marcelo Tosatti |
Subject: |
[Qemu-devel] Re: [PATCH 03/15] kvm: Install optimized interrupt handlers |
Date: |
Sat, 5 Mar 2011 12:37:59 -0300 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, Mar 04, 2011 at 11:20:00AM +0100, Jan Kiszka wrote:
> KVM only requires to set the raised IRQ in CPUState and, if the user
> space irqchip is used, to kick the receiving vcpu if it is remote.
>
> Signed-off-by: Jan Kiszka <address@hidden>
> ---
> kvm-all.c | 17 +++++++++++++++++
> 1 files changed, 17 insertions(+), 0 deletions(-)
>
> diff --git a/kvm-all.c b/kvm-all.c
> index 226843c..c460d45 100644
> --- a/kvm-all.c
> +++ b/kvm-all.c
> @@ -650,6 +650,20 @@ static CPUPhysMemoryClient kvm_cpu_phys_memory_client = {
> .log_stop = kvm_log_stop,
> };
>
> +static void kvm_handle_interrupt(CPUState *env, int mask)
> +{
> + env->interrupt_request |= mask;
> +
If the env->interrupt_request request is processed in userspace, such as
MCE, the kick is still necessary for irqchip case. CPU_INTERRUPT_DEBUG
is another example, no?
> + if (!qemu_cpu_self(env)) {
> + qemu_cpu_kick(env);
> + }
> +}
> +
> +static void kvm_handle_interrupt_kernel_irqchip(CPUState *env, int mask)
> +{
> + env->interrupt_request |= mask;
> +}
> +
- [Qemu-devel] [PATCH 00/15] [uq/master] Patch queue, part V (the rest), Jan Kiszka, 2011/03/04
- [Qemu-devel] [PATCH 08/15] x86: Save/restore PAT MSR, Jan Kiszka, 2011/03/04
- [Qemu-devel] [PATCH 15/15] Expose thread_id in info cpus, Jan Kiszka, 2011/03/04
- [Qemu-devel] [PATCH 05/15] kvm: x86: Do not leave halt if interrupts are disabled, Jan Kiszka, 2011/03/04
- [Qemu-devel] [PATCH 10/15] kvm: Consider EXIT_DEBUG unknown without CAP_SET_GUEST_DEBUG, Jan Kiszka, 2011/03/04
- [Qemu-devel] [PATCH 13/15] kvm: x86: Reorder functions in kvm.c, Jan Kiszka, 2011/03/04
- [Qemu-devel] [PATCH 14/15] kvm: x86: Push kvm_arch_debug to kvm_arch_handle_exit, Jan Kiszka, 2011/03/04
- [Qemu-devel] [PATCH 07/15] x86: Properly reset PAT MSR, Jan Kiszka, 2011/03/04
- [Qemu-devel] [PATCH 06/15] kvm: Mark VCPU state dirty on creation, Jan Kiszka, 2011/03/04
- [Qemu-devel] [PATCH 03/15] kvm: Install optimized interrupt handlers, Jan Kiszka, 2011/03/04
- [Qemu-devel] Re: [PATCH 03/15] kvm: Install optimized interrupt handlers,
Marcelo Tosatti <=
- [Qemu-devel] [PATCH 12/15] kvm: Align kvm_arch_handle_exit to kvm_cpu_exec changes, Jan Kiszka, 2011/03/04
- [Qemu-devel] Re: [PATCH 12/15] kvm: Align kvm_arch_handle_exit to kvm_cpu_exec changes, Alexander Graf, 2011/03/11
- [Qemu-devel] Re: [PATCH 12/15] kvm: Align kvm_arch_handle_exit to kvm_cpu_exec changes, Jan Kiszka, 2011/03/11
- [Qemu-devel] Re: [PATCH 12/15] kvm: Align kvm_arch_handle_exit to kvm_cpu_exec changes, Alexander Graf, 2011/03/11
- [Qemu-devel] Re: [PATCH 12/15] kvm: Align kvm_arch_handle_exit to kvm_cpu_exec changes, Jan Kiszka, 2011/03/11
- [Qemu-devel] Re: [PATCH 12/15] kvm: Align kvm_arch_handle_exit to kvm_cpu_exec changes, Alexander Graf, 2011/03/11
- [Qemu-devel] Re: [PATCH 12/15] kvm: Align kvm_arch_handle_exit to kvm_cpu_exec changes, Alexander Graf, 2011/03/11