From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f74.google.com (mail-pj1-f74.google.com [209.85.216.74]) (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 D321719C56D for ; Thu, 19 Dec 2024 02:42:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734576166; cv=none; b=LT+VEybGamPfBORjkOWz6q36f0kqFDNfZhZJ1iv6VRnFsnPghUv6fLrFXSgjTuoky7bPp+3HLaXesAoxoz2/Dn5YpX2S6fenQbNUo4P0bBeYHatukq4jJqtXLb7KSyn8q7uVwha6i3sWLiQ9egA7Vgc6xsyElczamF5JE9Pbg/M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734576166; c=relaxed/simple; bh=Ow+XQIFONE++dFaRdXSVqCnFN+5Ly/hPoUmrK42qwQQ=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=XKg8HWVodNZfjgDRaJ5ols7INfOw6WD+YdOtY+wFkeyxrJ3IJmHXMUgi02awVA24CilgcliHpJV4J+3Pdmx2pJqiWhGe4zB3HzTXqmEr3K6KvGF/RB5MBtxC5spIu7HJBF+fL/MpC10gbFbg5qtM+ZmDNVyDptbY/lkLkYkVreQ= 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=cSUMewXS; arc=none smtp.client-ip=209.85.216.74 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="cSUMewXS" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-2ee6b027a90so428065a91.1 for ; Wed, 18 Dec 2024 18:42:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1734576164; x=1735180964; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=kpgQ7c/gh9pTvPo1fv6avyHn2AMQRIWRGPo+ny66dNA=; b=cSUMewXShGTPV/u5zYZGNSRWvpb9GHgfYWj+9YBRwvWyKdjUbWh7Ecs+KI7KPNVfTA 8/ZJl3KIvEmDPfWC7zLBqLCUZaHdmpM6CooXZGNP77hFYa3RKzfxIfbeFfrLKe0mEMKq iAvEJWZkB1UMlgmqdqKhyvEYK6lQBIUHq9+cB30y+M9PX6EiTw+5PeIsNv1BUiNP+9qV Pm7zbenkVlzpqx5tQ/53gukeFAmqxQR25DmCsB3SkkADagK8nyqFmN95xa0WohfFgU2J CKjAPowfVXU8YvCNC6l71lvkaKa4pyGdH36n5T7vWmUHP0M3OYxJuUbugcqOy5GSLJsq G5Dg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734576164; x=1735180964; h=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; bh=kpgQ7c/gh9pTvPo1fv6avyHn2AMQRIWRGPo+ny66dNA=; b=Ohs09OjgEIwxMKiwseXJdl8dpLYGwcQFor6Ni2mUYGQwLZoB+ROmyO6BbLuxtjeY55 hRdTRIJfTgOmM515jUWq1wYnzf/l4Y8Oejp6CXdp3hJm7fCC83FtO6JrguxPehDZ6PcA sd4LWeik5fyDOzWHEYleYZ+TC4KOfPKgM0bfspilV2CB4Wr0+al+LTxo3t+fzVomib3p mghpdemCAgOXfxWR2CKAYqvJ5RT2xqNDZSzIybLgGjtHiY+OiqyZqr9arRjYxIzjirLt C4ZtF5nJtvpWDy2AytpZNgltknWOAXxt5dAyBa++RUVwll/lqWcq4RT8/nKnkxo+AK7r Lv2A== X-Forwarded-Encrypted: i=1; AJvYcCVPKusaSLFCbzCvNsnh2hp+J6doDWEWlXDTWXDKOsp74NYZi4PSSm2DXnYE/heBN/CrUZOkxQPSxnBXKmI=@vger.kernel.org X-Gm-Message-State: AOJu0YzibIDmplvjICHghqEaQmVM02soSQcmuPuaukrfOXumMKmddZkz Mv9hAN0UMutrxFkNXeu1WMJb1NDyyXQ0/52ADSgZuZj8S1h8dV2WOQPz0ytrP8XwR54qsSqo23C O3w== X-Google-Smtp-Source: AGHT+IFZeQS1NSGNlM06VusjOeMOEVgvUbj/YdOLiMA/d7yhaud9CJY++nh9sZ9f2BQkJqhxkv+HyxqKa4w= X-Received: from pjch10.prod.google.com ([2002:a17:90a:3d0a:b0:2f2:e933:8ba6]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:540d:b0:2ee:c9b6:c266 with SMTP id 98e67ed59e1d1-2f2e91d6a12mr7103266a91.13.1734576164230; Wed, 18 Dec 2024 18:42:44 -0800 (PST) Date: Wed, 18 Dec 2024 18:40:54 -0800 In-Reply-To: <20241127234659.4046347-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20241127234659.4046347-1-seanjc@google.com> X-Mailer: git-send-email 2.47.1.613.gc27f4b7a9f-goog Message-ID: <173457545920.3294890.15735431566312816303.b4-ty@google.com> Subject: Re: [PATCH] KVM: SVM: Macrofy SEV=n versions of sev_xxx_guest() From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" On Wed, 27 Nov 2024 15:46:59 -0800, Sean Christopherson wrote: > Define sev_{,es_,snp_}guest() as "false" when SEV is disabled via Kconfig, > i.e. when CONFIG_KVM_AMD_SEV=n. Despite the helpers being __always_inline, > gcc-12 is somehow incapable of realizing that the return value is a > compile-time constant and generates sub-optimal code. > > Opportunistically clump the paths together to reduce the amount of > ifdeffery. > > [...] Applied to kvm-x86 svm, thanks! [1/1] KVM: SVM: Macrofy SEV=n versions of sev_xxx_guest() https://github.com/kvm-x86/linux/commit/45d522d3ee9c -- https://github.com/kvm-x86/linux/tree/next