From nobody Wed Apr 8 06:23:50 2026 Received: from mail-pg1-f202.google.com (mail-pg1-f202.google.com [209.85.215.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8507B36C0CA for ; Wed, 11 Mar 2026 00:34:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773189248; cv=none; b=efjShbVFQmfXBc512nevQqoPhZnnAV90fejuBxT/8YwqFguWdX6WmIuRPR9P62LFjhvUZ0q/3FpiKp08wy8peAISSSNUzPRfPx2tk6NBeL89XObmiBoNZivwoZZI/XZ5+sUoldoS7MDFNlQLnRIzswjvM2WjDtzkgZ48nGdZFlA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773189248; c=relaxed/simple; bh=7Om9PaNSbH3o9snTxwvrRdRO+tJyXxxbS8Gn1LzLrWA=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=hwyinTZieQmlxacvjoDsUG+TcN0Gd4Oo5i5VV+NIMQUetfyrEiWcuM5n3U6JMFMXiIxvMdpGGX6MDC2RxpWqrTGZ+LFWphTIdDB7IrYsMZX7vLY2e6smU9rsutTjgBRMZ31VyCk1HOO2nMmJxKe7VLldboR4bnS1zhCQXGHbTQ0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=DLhqR0Pm; arc=none smtp.client-ip=209.85.215.202 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.b="DLhqR0Pm" Received: by mail-pg1-f202.google.com with SMTP id 41be03b00d2f7-c629a3276e9so48726656a12.2 for ; Tue, 10 Mar 2026 17:34:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1773189247; x=1773794047; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=r+juLCyU3+NAIYivhdo5Xlsn2qwlsyffxNBIS7NuIQ8=; b=DLhqR0PmuIu2Lwjc/KpEVLBvarxX+jQw4TB3RhkMpHXRjGkCZJr0L7L/c5qY2CPzGz OrdR6IrDWqM1Ixu3nXHn3gQkVROjWdL+1eaf1MPMRU7jKNGlusqLee2a9Aj2GAicXMEu S3x8wb3fto3y+P865PFFJmAU83PiGXTt1ZBQBY9H3B9f6URWuk54NRvL8LfW5UMamslX k+vovOFzBHDP/vPr/JVv0o5teNk66hlPjz52Jlwge8w5BxfhqW3PmrsLovc0AQFI3ipD cZB1aNUn8qR/7ctbqeZywqUS6HwmEsrl5KpWFGnHiVKrykRlzdezveBNc3o0iFWlBTtr qViQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773189247; x=1773794047; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=r+juLCyU3+NAIYivhdo5Xlsn2qwlsyffxNBIS7NuIQ8=; b=iOZvXJBHX5vjUW1vKHZxR4mDnwvzYyvdChpXpbPAOxsHPxoOf1xIfT9UX2W26+FsGw 3ehXmo12OfTykh+B6Vp804gnrcs0mZu8V2elKPGoix39MnlNJw5aB+14Co7CWz+8dbKF OFsj0NsSjQmuZw18onI/2tEC1vqz8zo9BJfoAok1NNGG435qzko1rJpdpv979YdCR/56 doGIAQwbiYz0HAKqTHnxV9f7iLyCCxISkS6nNwOp9a/1RNnVkJxDEF4ICYmm3q4zRUcw OU1yQb10zH9IUTnLur3+eu3LhcIGZd2JcWn5Sgvx4a5lyX61yKdASKOrlblEpFD2511k lX4A== X-Forwarded-Encrypted: i=1; AJvYcCXrMyQJVQMBptaIDsuKCT2FN8d8oXuwhZP/OaYLGSQ1LZdMeWKyJ8+Pa+wn+rEZxGqakt4wHabufYqQdYU=@vger.kernel.org X-Gm-Message-State: AOJu0Yz6AiuHM8ACethsYxp44t3zk6lZII5v27FcpC9fm2dvLoDUl97P 8wnD3bqQ9DZ8aISBwK8hnIME9esCdugXBGAHzWBVDwmVGfMicd38HZiMEUkkMUhqjWZTjQX0BH8 s3FmrwQ== X-Received: from pfkq5.prod.google.com ([2002:a05:6a00:845:b0:829:72ec:561c]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:13a5:b0:824:b1bb:f6b5 with SMTP id d2e1a72fcca58-829f71bcb9fmr777882b3a.63.1773189246869; Tue, 10 Mar 2026 17:34:06 -0700 (PDT) Reply-To: Sean Christopherson Date: Tue, 10 Mar 2026 17:33:46 -0700 In-Reply-To: <20260311003346.2626238-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260311003346.2626238-1-seanjc@google.com> X-Mailer: git-send-email 2.53.0.473.g4a7958ca14-goog Message-ID: <20260311003346.2626238-8-seanjc@google.com> Subject: [PATCH 7/7] *** DO NOT MERGE *** KVM: x86: Pretend that APX is supported on 64-bit kernels From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini , Kiryl Shutsemau Cc: kvm@vger.kernel.org, x86@kernel.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, "Chang S . Bae" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: Sean Christopherson --- arch/x86/include/asm/kvm_host.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_hos= t.h index cff9023f12c7..3d9c8cc9d515 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -190,6 +190,27 @@ enum kvm_reg { VCPU_REGS_R13 =3D __VCPU_REGS_R13, VCPU_REGS_R14 =3D __VCPU_REGS_R14, VCPU_REGS_R15 =3D __VCPU_REGS_R15, +#define CONFIG_X86_APX + +#endif + +#ifdef CONFIG_X86_APX + VCPU_REG_R16 =3D VCPU_REGS_R15 + 1, + VCPU_REG_R17, + VCPU_REG_R18, + VCPU_REG_R19, + VCPU_REG_R20, + VCPU_REG_R21, + VCPU_REG_R22, + VCPU_REG_R23, + VCPU_REG_R24, + VCPU_REG_R25, + VCPU_REG_R26, + VCPU_REG_R27, + VCPU_REG_R28, + VCPU_REG_R29, + VCPU_REG_R30, + VCPU_REG_R31, #endif NR_VCPU_GENERAL_PURPOSE_REGS, =20 --=20 2.53.0.473.g4a7958ca14-goog