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[2620:137:e000::1:20]) by mx.google.com with ESMTP id m21-20020a170906849500b008b1e792860dsi17161036ejx.339.2023.03.23.02.25.40; Thu, 23 Mar 2023 02:26:04 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=D3tYgpwW; dkim=neutral (no key) header.i=@linutronix.de; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230455AbjCWJRp (ORCPT + 99 others); Thu, 23 Mar 2023 05:17:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231418AbjCWJRe (ORCPT ); Thu, 23 Mar 2023 05:17:34 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7AB331F493 for ; Thu, 23 Mar 2023 02:17:19 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1679563036; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=7cHsaK8lsctTLWgEZK+p2RULrU67jhFmAPVGpC5jpv4=; b=D3tYgpwWqrfAgXuC3Jt3CFAIc6D+MtvQd9xFVvPKtJE15kOBKpW36w4WCDcc021hu7K8pP mZUNzdFX8WBKWnbLPjKhffNsDDgBHv9z28smRjma6RidqFEylL3EvxFP2XP1k38Ve7dO7h +nLzOdFmSbF8uvJwtcl/vNhkr37bI5HNbswDJhfFFWC6tckbqf2EwdiSxuL0DkHgbb4P+P fgQgZ+slP/SyOcZFMDxQWB/TQoAX7wpCMwe3Q9FKX8aXXSXDmAH8Lt0LRmD48YwwGfzH03 Y4WcY/9SCcTx44N/chz1h8NmRWF6DCiV5RAT5sq217GqwJXYCwe66Q5I2FJzow== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1679563036; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=7cHsaK8lsctTLWgEZK+p2RULrU67jhFmAPVGpC5jpv4=; b=s7JouwHpQTmw7zQXTdCkNgbIYFCzRhE7BxqFO19+muKAOgdTkzXDfTrID0YGs1IWLEOGRL pAWc4BdtflpVmwBg== To: Borislav Petkov , Joerg Roedel , Tom Lendacky Cc: X86 ML , LKML Subject: Re: [PATCH 2/2] x86/sev: Get rid of special sev_es_enable_key In-Reply-To: <20230318115634.9392-3-bp@alien8.de> References: <20230318115634.9392-1-bp@alien8.de> <20230318115634.9392-3-bp@alien8.de> Date: Thu, 23 Mar 2023 10:17:15 +0100 Message-ID: <87edpf9690.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-2.5 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Mar 18 2023 at 12:56, Borislav Petkov wrote: > -bool cc_platform_has(enum cc_attr attr) > +bool noinstr cc_platform_has(enum cc_attr attr) That's not sufficient. This function invokes static functions which the compiler can rightfully put out of line resulting in a noinstr violation. Thanks, tglx