From: Avi Kivity <avi@redhat.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Marcelo Tosatti <mtosatti@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/4] core, x86: Add user return notifiers
Date: Sat, 19 Sep 2009 09:40:58 +0300 [thread overview]
Message-ID: <4AB47CFA.2010502@redhat.com> (raw)
In-Reply-To: <4AB3CDEC.5050902@zytor.com>
On 09/18/2009 09:14 PM, H. Peter Anvin wrote:
> On 09/16/2009 05:45 AM, Avi Kivity wrote:
>
>> Add a general per-cpu notifier that is called whenever the kernel is
>> about to return to userspace. The notifier uses a thread_info flag
>> and existing checks, so there is no impact on user return or context
>> switch fast paths.
>>
>> Signed-off-by: Avi Kivity<avi@redhat.com>
>>
> The concept of this patch looks entirely sane, as does the code,
> *except* for:
>
> +#include<linux/user-return-notifier.h>
>
> ... missing header file, and ...
>
> +obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
>
> ... missing source file.
>
> Could you fix the patch, please?
>
>
Doh. Sent out fixed patch.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
next prev parent reply other threads:[~2009-09-19 6:41 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-16 12:45 [PATCH 0/4] User return notifiers / just-in-time MSR switching for KVM Avi Kivity
2009-09-16 12:45 ` [PATCH 1/4] core, x86: Add user return notifiers Avi Kivity
2009-09-18 18:14 ` H. Peter Anvin
2009-09-19 6:40 ` [PATCH v2] " Avi Kivity
2009-09-22 9:25 ` Avi Kivity
2009-09-22 9:37 ` Arjan van de Ven
2009-09-22 9:48 ` Avi Kivity
2009-09-22 14:32 ` Ingo Molnar
2009-09-22 14:45 ` Avi Kivity
2009-09-22 15:50 ` Avi Kivity
2009-09-22 17:08 ` Avi Kivity
2009-09-22 15:19 ` H. Peter Anvin
2009-10-01 15:21 ` Avi Kivity
2009-10-01 15:25 ` H. Peter Anvin
2009-10-01 15:30 ` Avi Kivity
2009-10-01 18:33 ` H. Peter Anvin
2009-09-22 16:50 ` Peter Zijlstra
2009-09-22 16:52 ` Avi Kivity
2009-09-22 16:55 ` Peter Zijlstra
2009-09-22 17:05 ` Avi Kivity
2009-09-22 18:06 ` Peter Zijlstra
2009-09-19 6:40 ` Avi Kivity [this message]
2009-09-16 12:45 ` [PATCH 2/4] KVM: VMX: Move MSR_KERNEL_GS_BASE out of the vmx autoload msr area Avi Kivity
2009-09-16 12:45 ` [PATCH 3/4] KVM: x86 shared msr infrastructure Avi Kivity
2009-09-16 21:21 ` Marcelo Tosatti
2009-09-16 21:24 ` Avi Kivity
2009-09-16 12:45 ` [PATCH 4/4] KVM: VMX: Use " Avi Kivity
2009-10-25 12:23 ` [PATCH 0/4] User return notifiers / just-in-time MSR switching for KVM Avi Kivity
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