From patchwork Sun May 4 09:52:34 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ard Biesheuvel X-Patchwork-Id: 887905 Received: from mail-wr1-f73.google.com (mail-wr1-f73.google.com [209.85.221.73]) (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 EBB901A8401 for ; Sun, 4 May 2025 09:53:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746352395; cv=none; b=pUBsIuPtwLpK4tSosPJchPeYeAlGrjEFyWny4uEIDz4y3gR1xNsuBzO27pDE8ttbMb0wNzgfRZ67gLbwu7Ai9NrU1UbDAs9bSXNytoDdcQiLWe/5D8rAnMawLuQFnkTHwnXNQqA8j7qe4V8TVJ7+5ABWfkP7YXa+l9h16Fag/gw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746352395; c=relaxed/simple; bh=wAopLMca1UYjHu6q///t2MON0majb2OOzEkKv0U9LCI=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=EjUMBD0Wek3JFRSpKYfPsm1R0yDy1sMgFAbNnlqZ/pTgsSPX3R9Sv1tl8Op+UBIo7tBUiPb8RyGK4iuqPlMekRaPIRHFnurrCEZiu+9iuB3dUu2da65zLqmAaA7PosLX9yGokhVvQmNrhOMEt0FU6sK+4SrXj4S7HfSm9gBiRXE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--ardb.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=EdY5hqOw; arc=none smtp.client-ip=209.85.221.73 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--ardb.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="EdY5hqOw" Received: by mail-wr1-f73.google.com with SMTP id ffacd0b85a97d-39c30f26e31so1933933f8f.3 for ; Sun, 04 May 2025 02:53:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1746352392; x=1746957192; 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=nAweXUFMoRYKercdO+M+dsvHLlCp3KZIzpWmAZjUMHA=; b=EdY5hqOwYHDN+3NplhxQeKnQjKAZYgYHdJ5NLaAOC0saxUedOg21YCfBoEq20wRAZ1 WkmK6EwaRN4yBwag4lcsB8UNfTXMlBEQFmA/nD6k2Txrid6WF+npGmqoLnlh8XXyUVw2 XkXaLiI7V0lMbRQXDp28flRIu4+uYiX+BG4MLT22rafCNOzIcNMgOVurpIL7/Bu1gKxA upuHigeJCuPXAjvBDoI/hlPueHrLXnBgqC35sZzxIVNrO5ACXeV+JellfceiZeXfDg0I hM2GjqmmXjPWn7FF6OmMoLcOclLYb0uueUL1JFVU9+XfuSegaEzawJfHtg9xRoiF9FET vhTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746352392; x=1746957192; 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=nAweXUFMoRYKercdO+M+dsvHLlCp3KZIzpWmAZjUMHA=; b=RaoAPfdBwaHVrye8o5VBExb1KbF5sx7R0HB03yWPYk7MZupf3ypeAoR3tOZ3J8ntTw wYnns4EtBmtm0iOApEZbhie2keht2kGrca13V9yWSmqpYV+w1bHBT266o/X79tenLNcX O8GrsOZQNEqcTQQsIeTstKdzbvayLTr3gakAarBC9BFGXEFZK2cNl//wnNQ2RhmpycUQ 1PeW/y90RoHXwLvid6xyMvkEnqngPNUaEGKsCOgqy/d6doIrExJSCCXmjPshuKT9Y82S UoV1sbvrcIx8o00OHUBkK2QT/vOSJSYFOnqi6ZJpBDpGorRFKDxcN43yR1LPeJp+wNPn SNLQ== X-Gm-Message-State: AOJu0YyBoYiuS/ah/wFtRhYJ3sTFkHwrJ4pSKeMYgpZUN8TA19E5IRVz ABnKLAStZFasQqmBpsWEaOZc7A9VIa4T7eDQI3VtKkjLLw+OttcyANZa3eR5c0IVKqDZWw== X-Google-Smtp-Source: AGHT+IFM8cy2OT3ETxysigkIKqj/0ZIhQF3bs+uCxzkZ6dCqhcT/sDAKlDn0k6MRjCEA2TTZpReBQrga X-Received: from wro15.prod.google.com ([2002:a05:6000:41cf:b0:39e:c3a8:56e]) (user=ardb job=prod-delivery.src-stubby-dispatcher) by 2002:a5d:5f4a:0:b0:39e:e259:91dd with SMTP id ffacd0b85a97d-3a09fd767fdmr2356447f8f.17.1746352392609; Sun, 04 May 2025 02:53:12 -0700 (PDT) Date: Sun, 4 May 2025 11:52:34 +0200 In-Reply-To: <20250504095230.2932860-25-ardb+git@google.com> Precedence: bulk X-Mailing-List: linux-efi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250504095230.2932860-25-ardb+git@google.com> X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 X-Developer-Signature: v=1; a=openpgp-sha256; l=1358; i=ardb@kernel.org; h=from:subject; bh=JGgi/PR6B/UfDqiCR294jKpXFY27Hox0oJTQ0bF4MW4=; b=owGbwMvMwCFmkMcZplerG8N4Wi2JIUPc4oma+ffGA1wJetcP5/u63mjazBjxYtYal82dN0syz d8unOHRUcrCIMbBICumyCIw+++7nacnStU6z5KFmcPKBDKEgYtTACZyX4Thf+FdTjPxxQJZxgev WMq2T7bfuftDUOq6a2WO//Ysu7l1HT8jwyzdvPX68Zt8Jj538g5ofPDeWmfO2/jMXf4RWTfYVs5 S5wQA X-Mailer: git-send-email 2.49.0.906.g1f30a19c02-goog Message-ID: <20250504095230.2932860-29-ardb+git@google.com> Subject: [RFT PATCH v2 04/23] x86/sev: Make sev_snp_enabled() a static function From: Ard Biesheuvel To: linux-kernel@vger.kernel.org Cc: linux-efi@vger.kernel.org, x86@kernel.org, Ard Biesheuvel , Borislav Petkov , Ingo Molnar , Dionna Amalie Glaze , Kevin Loughlin , Tom Lendacky From: Ard Biesheuvel sev_snp_enabled() is no longer used outside of the source file that defines it, so make it static and drop the extern declarations. Signed-off-by: Ard Biesheuvel --- arch/x86/boot/compressed/sev.c | 2 +- arch/x86/boot/compressed/sev.h | 2 -- 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c index 478c65149cf0..bc52c0aa96d4 100644 --- a/arch/x86/boot/compressed/sev.c +++ b/arch/x86/boot/compressed/sev.c @@ -164,7 +164,7 @@ int svsm_perform_call_protocol(struct svsm_call *call) return ret; } -bool sev_snp_enabled(void) +static bool sev_snp_enabled(void) { return sev_status & MSR_AMD64_SEV_SNP_ENABLED; } diff --git a/arch/x86/boot/compressed/sev.h b/arch/x86/boot/compressed/sev.h index 4e463f33186d..9d21af3a220d 100644 --- a/arch/x86/boot/compressed/sev.h +++ b/arch/x86/boot/compressed/sev.h @@ -10,13 +10,11 @@ #ifdef CONFIG_AMD_MEM_ENCRYPT -bool sev_snp_enabled(void); void snp_accept_memory(phys_addr_t start, phys_addr_t end); u64 sev_get_status(void); #else -static inline bool sev_snp_enabled(void) { return false; } static inline void snp_accept_memory(phys_addr_t start, phys_addr_t end) { } static inline u64 sev_get_status(void) { return 0; }