linux-kernel - Re: [tip: x86/urgent] x86/traps: Initialize DR7 by writing its architectural reset value

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Message-ID: <20250626135637.GCaF1RlR8n5-Tc-oky@fat_crate.local>
Date: Thu, 26 Jun 2025 15:56:37 +0200
From: Borislav Petkov <bp@...en8.de>
To: Sean Christopherson <seanjc@...gle.com>
Cc: "Xin Li (Intel)" <xin@...or.com>, linux-kernel@...r.kernel.org,
	linux-tip-commits@...r.kernel.org,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"H. Peter Anvin (Intel)" <hpa@...or.com>,
	Sohil Mehta <sohil.mehta@...el.com>,
	"Peter Zijlstra (Intel)" <peterz@...radead.org>,
	stable@...r.kernel.org, x86@...nel.org
Subject: Re: [tip: x86/urgent] x86/traps: Initialize DR7 by writing its
 architectural reset value

On Thu, Jun 26, 2025 at 06:32:01AM -0700, Sean Christopherson wrote:
> I'm pretty sure I can take credit for the latter half.  You're welcome :-)

Oh myy... :-)

You sure managed to get my small brain in a knot.

:-P

-- 
Regards/Gruss,
    Boris.

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