linux-kernel - [PATCH 0/4] x86: Add CPUID region helper and clarify Xen startup

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Message-Id: <20240322175629.01E8B39D@davehans-spike.ostc.intel.com>
Date: Fri, 22 Mar 2024 10:56:29 -0700
From: Dave Hansen <dave.hansen@...ux.intel.com>
To: linux-kernel@...r.kernel.org
Cc: jgross@...e.com,tglx@...utronix.de,x86@...nel.org,bp@...en8.de,Dave Hansen <dave.hansen@...ux.intel.com>
Subject: [PATCH 0/4] x86: Add CPUID region helper and clarify Xen startup

This peels off a patches from the top of another longer series
where Borislav suggested actually fixing a problem rather than
complaining about it:

	https://lore.kernel.org/all/20240307162752.GAZenrCDqs0lMTjmu1@fat_crate.local/

There's a little detour here to explain some mysterious (to me)
CPUID prodding.

The end result gets rid of some fragile Xen boot code.  It also clears
the way for a future series to bring some order to the early boot code
and remove some of the random tinkering that is there today.