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Re: [PATCH v v3 2/7] x86: Remove x86 prefixed names from mcheck code
- To: Kevin Lampis <kevin.lampis@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 23 Mar 2026 10:59:55 +0100
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- Cc: andrew.cooper3@xxxxxxxxxx, roger.pau@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 23 Mar 2026 10:00:00 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 13.03.2026 17:36, Kevin Lampis wrote:
> struct cpuinfo_x86
> .x86 => .family
> .x86_vendor => .vendor
> .x86_model => .model
> .x86_mask => .stepping
>
> No functional change.
>
> This work is part of making Xen safe for Intel family 18/19.
>
> Signed-off-by: Kevin Lampis <kevin.lampis@xxxxxxxxxx>
This description doesn't quite cover ...
> --- a/xen/arch/x86/cpu/mcheck/mce_intel.c
> +++ b/xen/arch/x86/cpu/mcheck/mce_intel.c
> @@ -711,10 +711,7 @@ static bool mce_is_broadcast(struct cpuinfo_x86 *c)
> * DisplayFamily_DisplayModel encoding of 06H_EH and above,
> * a MCA signal is broadcast to all logical processors in the system
> */
> - if ( c->x86_vendor == X86_VENDOR_INTEL && c->x86 == 6 &&
> - c->x86_model >= 0xe )
> - return true;
> - return false;
> + return c->vendor == X86_VENDOR_INTEL && c->family != 0xf;
> }
... this change. Code changes themselves look alright.
Jan
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