From: "H. Peter Anvin" <hpa@zytor.com>
To: Avi Kivity <avi@redhat.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: Fri, 18 Sep 2009 11:14:04 -0700 [thread overview]
Message-ID: <4AB3CDEC.5050902@zytor.com> (raw)
In-Reply-To: <1253105134-8862-2-git-send-email-avi@redhat.com>
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?
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2009-09-18 18:14 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 [this message]
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 ` [PATCH 1/4] " Avi Kivity
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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