From: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@linux.intel.com>
To: "Kirill A. Shutemov" <kirill@shutemov.name>,
Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Andi Kleen <ak@linux.intel.com>,
Dave Hansen <dave.hansen@intel.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Juergen Gross <jgross@suse.com>, Deep Shah <sdeep@vmware.com>,
"VMware, Inc." <pv-drivers@vmware.com>
Subject: Re: [PATCH] x86/paravirt: Fix build PARAVIRT_XXL=y without XEN_PV
Date: Wed, 17 Nov 2021 10:46:30 -0800 [thread overview]
Message-ID: <4824bf30-851e-c927-a50f-87fa2a429b2a@linux.intel.com> (raw)
In-Reply-To: <20211117184225.6e257nfpdd2qhrj4@box.shutemov.name>
On 11/17/21 10:42 AM, Kirill A. Shutemov wrote:
> On Wed, Nov 17, 2021 at 07:35:01PM +0100, Peter Zijlstra wrote:
>> On Wed, Nov 17, 2021 at 09:14:39PM +0300, Kirill A. Shutemov wrote:
>>> TDX is going to use CONFIG_PARAVIRT_XXL
>>
>> *AARGGHHH*. srlsy? We were trying to cut back on that insanity, not
>> proliferate it.
>
> It is a way to minimize amount of changes needed for getting TDX
> functinal. We will remove the dependency later on.
>
TDX has a requirement to use HLT paravirt calls (which is currently
listed under PARAVIRT_XXL). Once we submit a patch to move it
under CONFIG_PARAVIRT, we will drop this dependency.
--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer
next prev parent reply other threads:[~2021-11-17 18:46 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-17 18:14 Kirill A. Shutemov
2021-11-17 18:35 ` Peter Zijlstra
2021-11-17 18:42 ` Kirill A. Shutemov
2021-11-17 18:46 ` Sathyanarayanan Kuppuswamy [this message]
2021-11-17 18:48 ` Borislav Petkov
2021-11-17 19:11 ` Dave Hansen
2021-11-17 19:13 ` Sathyanarayanan Kuppuswamy
2021-11-17 19:57 ` Dave Hansen
2021-11-17 20:54 ` Sathyanarayanan Kuppuswamy
2021-11-17 21:09 ` Borislav Petkov
2021-11-17 23:04 ` Sathyanarayanan Kuppuswamy
2021-11-17 23:23 ` Peter Zijlstra
2021-11-17 23:57 ` Sathyanarayanan Kuppuswamy
2021-11-17 23:33 ` Dave Hansen
2021-11-18 1:26 ` Sathyanarayanan Kuppuswamy
2021-11-18 9:13 ` Borislav Petkov
2021-11-17 19:02 ` Peter Zijlstra
2021-11-18 6:23 ` Juergen Gross
2021-11-19 10:21 ` Kirill A. Shutemov
2021-11-19 7:51 ` Lai Jiangshan
2021-11-19 10:20 ` Kirill A. Shutemov
2021-11-19 10:27 ` Juergen Gross
2021-11-20 1:23 ` Lai Jiangshan
2021-11-22 12:55 ` Juergen Gross
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