From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx2.zhaoxin.com (mx2.zhaoxin.com [61.152.208.219]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D890C282F1F for ; Thu, 2 Jul 2026 03:27:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=61.152.208.219 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782962843; cv=none; b=tPaGPbwQSkxy2Bb54s/ZlmA6mJQBjaO4jNVhW6Hz/smZmbz0OQwgEUVD+XPgpNytO4aATr1XwdlUDIfV5pIzy83tW04JBxm0swZl68sxGH/YlYjF3speRAhx8K/dCcC2oLmC8zNFa8Uau5jmh+k1OJwalC+it0agghiH5WKO+V4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782962843; c=relaxed/simple; bh=qL32w5wHXdzRYkyglgzXTze/5FJ6YMKFbPheQYhccpM=; h=From:Date:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DtlPtnvbzkDqaP0N3HTOh+wSPnSRfZ3RuxM7Zd9P8Ys0cyIx354jIUD46FuZy8vA9ATDy1E3+VYqKxsAYNxfd7zM4rJNGLy3FEbk94CkxJ4U6MCBeODIsdGhdQgnC1QIRZxutvdkCXXzUUOZ1gURsCLOE7ho+nGgyP/RQ1Wq/MM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=zhaoxin.com; spf=pass smtp.mailfrom=zhaoxin.com; arc=none smtp.client-ip=61.152.208.219 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=zhaoxin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=zhaoxin.com X-ASG-Debug-ID: 1782962827-1eb14e680f11e190001-xx1T2L Received: from zhaoxin.com (zxmail.zhaoxin.com [10.28.208.166]) by mx2.zhaoxin.com with ESMTP id wSzJLaDAPBXuEqqR; Thu, 02 Jul 2026 11:27:07 +0800 (CST) X-Barracuda-Envelope-From: ewanhai-oc@zhaoxin.com X-Barracuda-RBL-Trusted-Forwarder: 10.28.208.166 Received: from ewan-server (ewan-server [10.28.24.2]) by zhaoxin.com (8.30) with ESMTPc61de01aefa5fd59733e2cf6bafb509c Thu, 02 Jul 2026 11:27:05 +0800 X-Eyou-Smtpauth: ewanhai-oc@zhaoxin.com X-Barracuda-RBL-Trusted-Forwarder: 10.28.24.2 X-Eyou-EnvelopeSender: ewanhai-oc@zhaoxin.com X-Eyou-From: Ewan Hai From: "=?UTF-8?B?RXdhbiBIYWktb2M=?=" Date: Thu, 2 Jul 2026 11:27:03 +0800 To: Borislav Petkov Cc: Sean Christopherson , pbonzini@redhat.com, tglx@kernel.org, mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, binbin.wu@linux.intel.com, cobechen@zhaoxin.com, tonywwang@zhaoxin.com, ewanhai@zhaoxin.com Subject: Re: [PATCH v3 0/5] KVM: x86: Expose Zhaoxin CPUID 0xC0000001 EDX cryptographic features Message-ID: <20260702032703.x6zd4aly7xvy7eye@ewan-server> X-ASG-Orig-Subj: Re: [PATCH v3 0/5] KVM: x86: Expose Zhaoxin CPUID 0xC0000001 EDX cryptographic features References: <20260610023512.3690734-1-ewanhai-oc@zhaoxin.com> <20260701024521.kffehv7bxcjc5f3y@ewan-server> <20260702014926.GHakXDpsIK5srVj0Mk@fat_crate.local> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260702014926.GHakXDpsIK5srVj0Mk@fat_crate.local> X-Eyou-Sender: X-Barracuda-Connect: zxmail.zhaoxin.com[10.28.208.166] X-Barracuda-Start-Time: 1782962827 X-Barracuda-URL: https://10.28.252.36:4443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at zhaoxin.com X-Barracuda-Scan-Msg-Size: 1237 X-Barracuda-BRTS-Status: 1 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Spam-Score: -2.01 X-Barracuda-Spam-Status: No, SCORE=-2.01 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=1000.0 tests=FROM_EXCESS_BASE64 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.160890 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 FROM_EXCESS_BASE64 From: base64 encoded unnecessarily On Wed, Jul 01, 2026 at 06:49:26PM -0700, Borislav Petkov wrote: > On Wed, Jul 01, 2026 at 07:09:48AM -0700, Sean Christopherson wrote: > > On Wed, Jul 01, 2026, Ewan Hai-oc wrote: > > > Gentle ping. Any further comments on this series? > > > > LGTM, I'm just waiting for -rc2 to start applying anything for 7.3. The only > > question is if Boris is ok exposing all of these via /proc/cpuinfo. > > My canned answer always is: Documentation/arch/x86/cpuinfo.rst and I'd suggest > to the Zhaoxin people to think twice before exposing things in /proc/cpuinfo > and burdening themselves with maintaining this forever. Fair point. We've thought about it and are fine with the commitment. The existing word-5 entries already expose their flags, and keeping the new ones consistent seems like less hassle than making them a special case. > But I don't know of anyone who has that hardware and so testing on it is a bit > of a problem and so that leaf is a bit of a don't-care. I'd say. > > Btw, Sashiko rightfully mentions: > > https://lore.kernel.org/r/20260610024350.F13471F00893@smtp.kernel.org > > Thx. > > -- > Regards/Gruss, > Boris. > > https://people.kernel.org/tglx/notes-about-netiquette