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From: Luiz Capitulino <lcapitulino@redhat.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	pbonzini@redhat.com, rkrcmar@redhat.com, rostedt@goodmis.org,
	mhiramat@kernel.org, mtosatti@redhat.com
Subject: Re: [PATCH 4/4] kvm: x86: export TSC offset to user-space
Date: Fri, 2 Sep 2016 12:29:19 -0400	[thread overview]
Message-ID: <20160902122919.379ea6b8@redhat.com> (raw)
In-Reply-To: <20160902122655.0b5d3fe5@redhat.com>

On Fri, 2 Sep 2016 12:26:55 -0400
Luiz Capitulino <lcapitulino@redhat.com> wrote:

> I guess that what tools like trace-cmd want to do in those cases
> is to warn the user and discard the trace. A simple way of doing
> this would be to re-check that the TSC offset are the same after
> tracing is done. It could also use inotify, in case it works
> for debugfs (never tried it myself).

The second idea was probably stupid, never mind me :)

  reply	other threads:[~2016-09-02 16:29 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-31 17:05 [PATCH 0/4] kvm: export TSC offset to user-space Luiz Capitulino
2016-08-31 17:05 ` [PATCH 1/4] kvm: kvm_destroy_vm_debugfs(): check debugs_stat_data pointer Luiz Capitulino
2016-09-02 13:51   ` Paolo Bonzini
2016-08-31 17:05 ` [PATCH 2/4] kvm: kvm_create_vm_debugfs(): cleanup on error Luiz Capitulino
2016-09-02 13:53   ` Paolo Bonzini
2016-08-31 17:05 ` [PATCH 3/4] kvm: add stub for arch specific debugfs support Luiz Capitulino
2016-09-02 13:53   ` Paolo Bonzini
2016-09-03  3:34   ` Masami Hiramatsu
2016-08-31 17:05 ` [PATCH 4/4] kvm: x86: export TSC offset to user-space Luiz Capitulino
2016-09-02 13:43   ` Stefan Hajnoczi
2016-09-02 14:15     ` Steven Rostedt
2016-09-03  0:23       ` Marcelo Tosatti
2016-09-03  4:04         ` Masami Hiramatsu
2016-09-02 16:26     ` Luiz Capitulino
2016-09-02 16:29       ` Luiz Capitulino [this message]
2016-09-02 23:49     ` Marcelo Tosatti
2016-09-03  1:29       ` Luiz Capitulino
2016-09-02 17:00   ` Paolo Bonzini
2016-09-02 17:31     ` Luiz Capitulino
2016-09-05  8:10       ` Paolo Bonzini

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