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Message-ID: <alpine.DEB.2.21.1906261546460.32342@nanos.tec.linutronix.de>
Date: Wed, 26 Jun 2019 15:48:28 +0200 (CEST)
From: Thomas Gleixner <tglx@...utronix.de>
To: Juergen Gross <jgross@...e.com>
cc: Zhenzhong Duan <zhenzhong.duan@...cle.com>,
linux-kernel@...r.kernel.org, mingo@...nel.org, bp@...en8.de,
hpa@...or.com, boris.ostrovsky@...cle.com, sstabellini@...nel.org,
peterz@...radead.org, srinivas.eeda@...cle.com,
Ingo Molnar <mingo@...hat.com>, xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v2 4/7] Revert "xen: Introduce 'xen_nopv' to disable PV
extensions for HVM guests."
On Wed, 26 Jun 2019, Juergen Gross wrote:
> On 24.06.19 14:02, Zhenzhong Duan wrote:
> > This reverts commit 8d693b911bb9c57009c24cb1772d205b84c7985c.
> >
> > Instead we use an unified parameter 'nopv' for all the hypervisor
> > platforms.
> >
> > Signed-off-by: Zhenzhong Duan <zhenzhong.duan@...cle.com>
> > Cc: Boris Ostrovsky <boris.ostrovsky@...cle.com>
> > Cc: Juergen Gross <jgross@...e.com>
> > Cc: Stefano Stabellini <sstabellini@...nel.org>
> > Cc: Thomas Gleixner <tglx@...utronix.de>
> > Cc: Ingo Molnar <mingo@...hat.com>
> > Cc: Borislav Petkov <bp@...en8.de>
> > Cc: xen-devel@...ts.xenproject.org
>
> Reviewed-by: Juergen Gross <jgross@...e.com>
You're really sure that you want to break existing setups which might use
that already?
Command line parameters are ABI. You can map xen_nopv to the new shiny nopv
implementation but removing it?
Your decision, but you've been told :)
Thanks,
tglx
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