From: Borislav Petkov <bp@alien8.de>
To: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@linux.intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Andi Kleen <ak@linux.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 22:09:11 +0100 [thread overview]
Message-ID: <YZVvdyHhPTzzZbiu@zn.tnic> (raw)
In-Reply-To: <21f1325d-d97e-1bb7-ea87-d84e44089ab4@linux.intel.com>
On Wed, Nov 17, 2021 at 12:54:56PM -0800, Sathyanarayanan Kuppuswamy wrote:
> It is not only for idle case. We also need to support emulation of
> normal halt case (which is used in cases like reboot or
> early_fixup_exception(), etc.).
This is more of that piecemeal feeding of people asking why. Please sit
down and explain exactly and in detail why you need this. "We need to
support emulation" is not nearly good enough.
I don't think any of the people who replied on this thread *actually*
know *why* PV support is needed.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2021-11-17 21:09 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-17 18:14 [PATCH] x86/paravirt: Fix build PARAVIRT_XXL=y without XEN_PV 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
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 [this message]
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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