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From: Eduardo Habkost <ehabkost@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: peter.maydell@linaro.org, drjones@redhat.com,
	matt.fleming@intel.com, pbonzini@redhat.com,
	ard.biesheuvel@linaro.org, "Gabriel L. Somlo" <somlo@cmu.edu>,
	qemu-devel@nongnu.org, leif.lindholm@linaro.org,
	kevin@koconnor.net, kraxel@redhat.com, zhaoshenglong@huawei.com,
	Igor Mammedov <imammedo@redhat.com>,
	markmb@redhat.com, Laszlo Ersek <lersek@redhat.com>,
	rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH v4 3/5] acpi: pc: add fw_cfg device node to ssdt
Date: Tue, 13 Oct 2015 19:43:00 -0300	[thread overview]
Message-ID: <20151013224300.GT1260@thinpad.lan.raisama.net> (raw)
In-Reply-To: <20151014001736-mutt-send-email-mst@redhat.com>

On Wed, Oct 14, 2015 at 12:18:10AM +0300, Michael S. Tsirkin wrote:
> On Tue, Oct 13, 2015 at 04:10:03PM -0300, Eduardo Habkost wrote:
> > One of the things that may break if guest-visible bits of the machine
> > change is Windows license activation, but the rules Windows use to
> > trigger reactivation aren't very clear.
> 
> They are easy to find on the internet.

I couldn't find them[1]. If you have a pointer to a clear description of
the rules for all Windows versions, I would love to see it.

[1] All I have found were things like:

  "Do I need to activate Windows after making a hardware change?
  Maybe. [...]"
  http://windows.microsoft.com/en-us/windows/activating-windows-faq#1TC=windows-7

  "Microsoft is characteristically shy about discussing the details of
  activation. [...]"
  http://www.zdnet.com/article/microsoft-quietly-rewrites-its-activation-rules-for-windows-10/

  "What triggers the need to reactivate Windows? As intended, each
  hardware component gets a relative weight, and from that WGA determines
  whether your copy of Windows 7 needs reactivation. The weight and the
  number of changes is apparently a guarded secret. If you upgrade too
  much at once, WAT decides that your PC is new, and things can get messy.
  The actual algorithm that Microsoft uses is not disclosed, [...]"
  http://searchitchannel.techtarget.com/feature/How-Windows-7-hardware-upgrades-affect-licensing


-- 
Eduardo

  reply	other threads:[~2015-10-13 22:43 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-27 21:28 [Qemu-devel] [PATCH v4 0/5] add ACPI node for fw_cfg on pc and arm Gabriel L. Somlo
2015-09-27 21:28 ` [Qemu-devel] [PATCH v4 1/5] fw_cfg: expose control register size in fw_cfg.h Gabriel L. Somlo
2015-09-29 10:10   ` Laszlo Ersek
2015-09-27 21:28 ` [Qemu-devel] [PATCH v4 2/5] pc: fw_cfg: move ioport base constant to pc.h Gabriel L. Somlo
2015-09-29 10:20   ` Laszlo Ersek
2015-09-27 21:29 ` [Qemu-devel] [PATCH v4 3/5] acpi: pc: add fw_cfg device node to ssdt Gabriel L. Somlo
2015-09-29 10:33   ` Laszlo Ersek
2015-09-29 16:46     ` Gabriel L. Somlo
2015-09-29 16:55       ` Laszlo Ersek
2015-09-29 17:19         ` Gabriel L. Somlo
2015-09-29 17:28           ` Laszlo Ersek
2015-09-30  0:18             ` Gabriel L. Somlo
2015-09-30 13:01               ` Paolo Bonzini
2015-09-30 14:16                 ` Gabriel L. Somlo
2015-09-30 14:27                   ` Paolo Bonzini
2015-10-01  7:02   ` Igor Mammedov
2015-10-01  8:27     ` Laszlo Ersek
2015-10-01 11:33       ` Igor Mammedov
2015-10-01 11:52         ` Laszlo Ersek
2015-10-01 13:00           ` Gabriel L. Somlo
2015-10-01 15:59           ` Eric Blake
2015-10-10  4:00         ` Gabriel L. Somlo
2015-10-13 19:10           ` Eduardo Habkost
2015-10-13 21:18             ` Michael S. Tsirkin
2015-10-13 22:43               ` Eduardo Habkost [this message]
2015-10-14  5:06                 ` Michael S. Tsirkin
2015-10-14 16:32                   ` Eduardo Habkost
2015-10-14  8:45             ` Igor Mammedov
2015-10-14 16:47               ` Eduardo Habkost
2015-10-15 13:44                 ` Igor Mammedov
2015-09-27 21:29 ` [Qemu-devel] [PATCH v4 4/5] acpi: arm: add fw_cfg device node to dsdt Gabriel L. Somlo
2015-09-29 10:40   ` Laszlo Ersek
2015-09-29 18:26     ` Gabriel L. Somlo
2015-09-29 18:54       ` Laszlo Ersek
2015-09-30  9:59       ` Ard Biesheuvel
2015-09-30 10:21         ` Laszlo Ersek
2015-09-30 11:13           ` Peter Maydell
2015-09-30 12:22             ` Laszlo Ersek
2015-09-30 15:16               ` Gerd Hoffmann
2015-09-30 15:19               ` Peter Maydell
2015-09-30 19:07               ` Gabriel L. Somlo
2015-10-01 12:22           ` Gabriel L. Somlo
2015-10-01 12:25             ` Ard Biesheuvel
2015-10-01 12:35             ` Laszlo Ersek
2015-10-01 12:39               ` Peter Maydell
2015-10-01 12:50                 ` Laszlo Ersek
2015-09-30 10:28     ` Laszlo Ersek
2015-09-27 21:29 ` [Qemu-devel] [PATCH v4 5/5] fw_cfg: document ACPI device node information Gabriel L. Somlo
2015-09-29 10:43   ` Laszlo Ersek
2015-09-29 10:27 ` [Qemu-devel] [PATCH v4 0/5] add ACPI node for fw_cfg on pc and arm Michael S. Tsirkin
2015-09-29 10:45   ` Laszlo Ersek
2015-09-29 13:59   ` Laszlo Ersek
2015-09-29 14:15     ` Michael S. Tsirkin
2015-09-29 19:04       ` Gabriel L. Somlo
2015-09-29 19:21         ` Laszlo Ersek
2015-09-29 18:40     ` Gabriel L. Somlo
2015-09-29 17:30   ` Gabriel L. Somlo

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