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Re: [PATCH] [RFC] x86/cpu: rework instruction set selection
- To: "H. Peter Anvin" <hpa@xxxxxxxxx>
- From: Ingo Molnar <mingo@xxxxxxxxxx>
- Date: Sun, 27 Apr 2025 12:18:20 +0200
- Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, x86@xxxxxxxxxx, Juergen Gross <jgross@xxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Alexander Usyskin <alexander.usyskin@xxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Mateusz Jończyk <mat.jonczyk@xxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Sun, 27 Apr 2025 10:18:41 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
* H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> The undefined zero case applies to family < 6 as far as I know... the
> same platforms which don't have cmov...
So, technically, these are family 5 CPUs with CMOV support, if
Kconfig.cpu can be believed:
MGEODE_LX
MCRUSOE
Right?
Ingo
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