From: Avi Kivity <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: kvm@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, mingo@elte.hu,
a.p.zijlstra@chello.nl, tglx@linutronix.de, hpa@zytor.com,
riel@redhat.com, cl@linux-foundation.org, mtosatti@redhat.com
Subject: Re: [PATCH v5 11/12] Let host know whether the guest can handle async PF in non-userspace context.
Date: Tue, 24 Aug 2010 12:31:36 +0300 [thread overview]
Message-ID: <4C739178.1070405@redhat.com> (raw)
In-Reply-To: <1279553462-7036-12-git-send-email-gleb@redhat.com>
On 07/19/2010 06:31 PM, Gleb Natapov wrote:
> If guest can detect that it runs in non-preemptable context it can
> handle async PFs at any time, so let host know that it can send async
> PF even if guest cpu is not in userspace.
>
> Acked-by: Rik van Riel<riel@redhat.com>
> Signed-off-by: Gleb Natapov<gleb@redhat.com>
> ---
> arch/x86/include/asm/kvm_host.h | 1 +
> arch/x86/include/asm/kvm_para.h | 1 +
> arch/x86/kernel/kvm.c | 3 +++
> arch/x86/kvm/x86.c | 5 +++--
> 4 files changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
> index 45e6c12..c675d5d 100644
> --- a/arch/x86/include/asm/kvm_host.h
> +++ b/arch/x86/include/asm/kvm_host.h
> @@ -367,6 +367,7 @@ struct kvm_vcpu_arch {
> cpumask_var_t wbinvd_dirty_mask;
>
> u32 __user *apf_data;
> + bool apf_send_user_only;
> u32 apf_memslot_ver;
> u64 apf_msr_val;
> u32 async_pf_id;
Lots of apf stuff in here. Make it apg.data etc.?
--
error compiling committee.c: too many arguments to function
WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: kvm@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, mingo@elte.hu,
a.p.zijlstra@chello.nl, tglx@linutronix.de, hpa@zytor.com,
riel@redhat.com, cl@linux-foundation.org, mtosatti@redhat.com
Subject: Re: [PATCH v5 11/12] Let host know whether the guest can handle async PF in non-userspace context.
Date: Tue, 24 Aug 2010 12:31:36 +0300 [thread overview]
Message-ID: <4C739178.1070405@redhat.com> (raw)
In-Reply-To: <1279553462-7036-12-git-send-email-gleb@redhat.com>
On 07/19/2010 06:31 PM, Gleb Natapov wrote:
> If guest can detect that it runs in non-preemptable context it can
> handle async PFs at any time, so let host know that it can send async
> PF even if guest cpu is not in userspace.
>
> Acked-by: Rik van Riel<riel@redhat.com>
> Signed-off-by: Gleb Natapov<gleb@redhat.com>
> ---
> arch/x86/include/asm/kvm_host.h | 1 +
> arch/x86/include/asm/kvm_para.h | 1 +
> arch/x86/kernel/kvm.c | 3 +++
> arch/x86/kvm/x86.c | 5 +++--
> 4 files changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
> index 45e6c12..c675d5d 100644
> --- a/arch/x86/include/asm/kvm_host.h
> +++ b/arch/x86/include/asm/kvm_host.h
> @@ -367,6 +367,7 @@ struct kvm_vcpu_arch {
> cpumask_var_t wbinvd_dirty_mask;
>
> u32 __user *apf_data;
> + bool apf_send_user_only;
> u32 apf_memslot_ver;
> u64 apf_msr_val;
> u32 async_pf_id;
Lots of apf stuff in here. Make it apg.data etc.?
--
error compiling committee.c: too many arguments to function
--
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next prev parent reply other threads:[~2010-08-24 9:32 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-19 15:30 [PATCH v5 00/12] KVM: Add host swap event notifications for PV guest Gleb Natapov
2010-07-19 15:30 ` Gleb Natapov
2010-07-19 15:30 ` [PATCH v5 01/12] Move kvm_smp_prepare_boot_cpu() from kvmclock.c to kvm.c Gleb Natapov
2010-07-19 15:30 ` Gleb Natapov
2010-07-19 15:30 ` [PATCH v5 02/12] Add PV MSR to enable asynchronous page faults delivery Gleb Natapov
2010-07-19 15:30 ` Gleb Natapov
2010-08-23 15:22 ` Avi Kivity
2010-08-23 15:22 ` Avi Kivity
2010-08-23 15:29 ` Gleb Natapov
2010-08-23 15:29 ` Gleb Natapov
2010-07-19 15:30 ` [PATCH v5 03/12] Add async PF initialization to PV guest Gleb Natapov
2010-07-19 15:30 ` Gleb Natapov
2010-07-19 19:52 ` Rik van Riel
2010-07-19 19:52 ` Rik van Riel
2010-08-23 15:26 ` Avi Kivity
2010-08-23 15:26 ` Avi Kivity
2010-08-23 15:35 ` Gleb Natapov
2010-08-23 15:35 ` Gleb Natapov
2010-08-23 16:08 ` Christoph Lameter
2010-08-23 16:08 ` Christoph Lameter
2010-08-23 16:10 ` Gleb Natapov
2010-08-23 16:10 ` Gleb Natapov
2010-08-23 16:19 ` Avi Kivity
2010-08-23 16:19 ` Avi Kivity
2010-07-19 15:30 ` [PATCH v5 04/12] Provide special async page fault handler when async PF capability is detected Gleb Natapov
2010-07-19 15:30 ` Gleb Natapov
2010-08-23 15:48 ` Avi Kivity
2010-08-23 15:48 ` Avi Kivity
2010-08-23 15:52 ` Rik van Riel
2010-08-23 15:52 ` Rik van Riel
2010-08-23 16:22 ` Avi Kivity
2010-08-23 16:22 ` Avi Kivity
2010-08-24 7:31 ` Gleb Natapov
2010-08-24 7:31 ` Gleb Natapov
2010-08-24 9:02 ` Avi Kivity
2010-08-24 9:02 ` Avi Kivity
2010-07-19 15:30 ` [PATCH v5 05/12] Export __get_user_pages_fast Gleb Natapov
2010-07-19 15:30 ` Gleb Natapov
2010-07-19 15:30 ` [PATCH v5 06/12] Add get_user_pages() variant that fails if major fault is required Gleb Natapov
2010-07-19 15:30 ` Gleb Natapov
2010-08-23 15:50 ` Avi Kivity
2010-08-23 15:50 ` Avi Kivity
2010-07-19 15:30 ` [PATCH v5 07/12] Maintain memslot version number Gleb Natapov
2010-07-19 15:30 ` Gleb Natapov
2010-08-23 15:53 ` Avi Kivity
2010-08-23 15:53 ` Avi Kivity
2010-07-19 15:30 ` [PATCH v5 08/12] Inject asynchronous page fault into a guest if page is swapped out Gleb Natapov
2010-07-19 15:30 ` Gleb Natapov
2010-08-23 16:17 ` Avi Kivity
2010-08-23 16:17 ` Avi Kivity
2010-08-24 7:52 ` Gleb Natapov
2010-08-24 7:52 ` Gleb Natapov
2010-08-24 9:04 ` Avi Kivity
2010-08-24 9:04 ` Avi Kivity
2010-08-24 12:28 ` Gleb Natapov
2010-08-24 12:28 ` Gleb Natapov
2010-08-24 12:33 ` Avi Kivity
2010-08-24 12:33 ` Avi Kivity
2010-07-19 15:30 ` [PATCH v5 09/12] Retry fault before vmentry Gleb Natapov
2010-07-19 15:30 ` Gleb Natapov
2010-08-24 9:25 ` Avi Kivity
2010-08-24 9:25 ` Avi Kivity
2010-08-24 9:33 ` Gleb Natapov
2010-08-24 9:33 ` Gleb Natapov
2010-08-24 9:38 ` Avi Kivity
2010-08-24 9:38 ` Avi Kivity
2010-07-19 15:31 ` [PATCH v5 10/12] Handle async PF in non preemptable context Gleb Natapov
2010-07-19 15:31 ` Gleb Natapov
2010-08-24 9:30 ` Avi Kivity
2010-08-24 9:30 ` Avi Kivity
2010-08-24 9:36 ` Gleb Natapov
2010-08-24 9:36 ` Gleb Natapov
2010-08-24 9:46 ` Avi Kivity
2010-08-24 9:46 ` Avi Kivity
2010-07-19 15:31 ` [PATCH v5 11/12] Let host know whether the guest can handle async PF in non-userspace context Gleb Natapov
2010-07-19 15:31 ` Gleb Natapov
2010-08-24 9:31 ` Avi Kivity [this message]
2010-08-24 9:31 ` Avi Kivity
2010-07-19 15:31 ` [PATCH v5 12/12] Send async PF when guest is not in userspace too Gleb Natapov
2010-07-19 15:31 ` Gleb Natapov
2010-08-24 9:36 ` Avi Kivity
2010-08-24 9:36 ` Avi Kivity
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