From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.214.199 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794410545; b=jhe0dN88nQP6R+4p4AgX6zHJzWo8E1yQ+Q5owGYB5ob1qMclKRQcnSis4iSIJZDdXB+B +l2YK9jZJsX12gwOyq82ZxWx7TbsznvVMZZh/0KA4lNPbUtjHjqNKF3e7P6sHXYrynVq2 sU7lRZcEzRS5r7LnZnTzYVDcjxDE8XWlnb0YG6ijhewVOFbDh1dCwnlR8IR1PGPYdHCmo FysdpMm5/WLiAKXVERPfuoeCV1W3WreWmcFXbgNHZJIG21IBzsuTx59U5Lelbjm77hFHA AhA038Wxq/9J2Jv2lGKnKoMdkqOY5ufggDzoOgbnqoxHU9IIsvkkPeqJitC80v6TYVw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794410545; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Received:Date:In-Reply-To: Mime-Version:References:Message-ID:Subject:From:To:Cc:Content-Type; bh=xblfOuxc6NV0SU6sUlIxq0fhdsM0ZQjNDfLP52raYCw=; b=oDa2FMDUPcRImrUoF5CXxnHT/dWOhs2od0H+L8VJ1PzUkUJL4yFIXA3BX7EGLQmrvRTH YDkN4rFBI4q+zzZlgH0XmOI3YEiuj9Qlipq5/Hgva2OZxYia1iO56KsMlnbKvG2bPJ0ES KR8Az3tGOg71ii2ku6Z/Vy7jYiozHiGVoUAD+CMCVWgk/r92WJVBSS3QVMfY29x0h2gzx /exq6ebrqeO0L4kM5QE2oxj2ygawkmKjoedCXEgGWfTv+LquDZOeMbMaGEJR/emfCpWk8 wJYkoG7TUekB8RJA+yA3Opy6Lr/SUACqJAPli8ntQ+/T2kDiTdTEdzSUzVRusoD8j8Q== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20260707 header.b=UNj1qHjA; arc=none smtp.remote-ip=209.85.214.199 Received: from mail-pl1-f199.google.com (mail-pl1-f199.google.com [209.85.214.199]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5B99B606A32A for ; Wed, 11 Nov 2026 15:22:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 5B99B606A32A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20260707 header.b=UNj1qHjA Received: by mail-pl1-f199.google.com with SMTP id d9443c01a7336-2ed2c307e62so48724655ad.0 for ; Wed, 11 Nov 2026 07:22:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20260707; t=1794410545; x=1795015345; darn=vger.kernel.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=xblfOuxc6NV0SU6sUlIxq0fhdsM0ZQjNDfLP52raYCw=; b=UNj1qHjA/jLU8w15Itm647g7vy/z7XeUwk6NxyKC0R5f4jcZy4VAr8uNHeRT8po6Y3 5yd2TUO4YM4oj3kU97Ec4SS1lyBRVT2YPwzrs93BK0BH6562YlaqSRjEPNLqGTpeOarG o2b1xoEH7uHDvyIOWLrn4ijFd8r9aOC2CrFqBZqIf9b5W/53S/5NQJXi6MLRzebeiPnN l8SknJbs+pM9FJn/aStD/vXyA+nbMUvv151X61RSq4haniWbS2Q7Iw7xQoiaudlzjffU DfqSD7mFaE3lno9pVHFYF7rVN84xpz6rNJJV1EfZGfgXtlltld7RWHEGdiVGne0kvRRx JRBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794410545; x=1795015345; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=xblfOuxc6NV0SU6sUlIxq0fhdsM0ZQjNDfLP52raYCw=; b=ah/KVwELkN8nZqYZRRKKEegf0LIbbPiJQ3Nb0ScGz/Rnenn72cxmqeOOIcrEKhSlXI qDme57ddvPmdUGRxN1NiBbhNATyMug7ohibi6jduJ9IreKloj5eJTsXDf8AFk04gpiID ++TIudCo/N4VitkzchMEARlSiRuS1gEi7fcoxJPB2BI31B0EKTFqb7fZ0LPkL5bYI1iG qaYQsArzGX8cc334uaYN2Lv+8wW5CIEvMd6JnjDtlmYDb1fldXuQI3MThbcyhpixsy+J LSHhwlBngG/ABcXmgR2RpFSWzMjkdkeIrtm1HFvnR5UdYMNFKxoLFK4Q5zwa3f47ZyUI edHw== X-Forwarded-Encrypted: i=1; AL+hErFiKYg2mckuWNZV6TeoGz4uxfR2zKfH/+lMDfuVbgdU0uZbV8M5IWT7bcnuvikUOpq2GiWQ2AaOMUn7+cs=@vger.kernel.org X-Gm-Message-State: APuU4Z9MVgMkbRtrE+OgUubbCdiDE4+Jw0psHZTtkf96L6mMfkhlBMDN KPaDgZ7ubdc0JKH2ZKJmWIZ5i4As0PF23qLmK4Y+QTGEU1oG1vv4cWvZiMYfncTmyqKm1NhNL3X h+umbYg== X-Received: from plfp5.prod.google.com ([2002:a17:902:e745:b0:2ed:b76a:1234]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:ea10:b0:2e4:aa09:fa9f with SMTP id d9443c01a7336-2edd7a73b47mr30823495ad.57.1794410544389; Wed, 11 Nov 2026 07:22:24 -0800 (PST) Date: Wed, 11 Nov 2026 07:22:23 -0800 In-Reply-To: <81872925-d1e7-4f34-a3c3-fea26adc6735@intel.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Mime-Version: 1.0 References: <20261105-tdx-selftests-v16-18-2024e8fa517a@google.com> <20261106164732.3939387-1-seanjc@google.com> <81872925-d1e7-4f34-a3c3-fea26adc6735@intel.com> Message-ID: Subject: Re: [PATCH v16.1] KVM: selftests: Add support for TDX ucalls, via TDVMCALL_REPORT_FATAL_ERROR From: Sean Christopherson To: Xiaoyao Li Cc: Paolo Bonzini , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Sagi Shahar , Lisa Wang , Binbin Wu , Ackerley Tng Content-Type: text/plain; charset="us-ascii" On Wed, Nov 11, 2026, Xiaoyao Li wrote: > On 11/7/2026 12:47 AM, Sean Christopherson wrote: ... > > +#define UCALL_PIO_PORT ((u16)0x1000) > > +#define UCALL_TDX_MAGIC 0xabacadabaULL > It's 0xa baca dabaULL. I think it should be a typo. It's not a typo, just a bad (or awesome, depending on your viewpoint) "dad" joke. The value is a 64-bit value, i.e. there's no truncation. /* If a toddler were to say "abracadabra". */ #define KVM_EXCEPTION_MAGIC 0xabacadabaULL