From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.alien8.de (mail.alien8.de [65.109.113.108]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D238D290F for ; Mon, 4 Nov 2024 10:45:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=65.109.113.108 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730717128; cv=none; b=bn8m09zxnVJ6x8LEaQiROfRwrYW1XZZXP68f7XcDAgNxwsMHN/AlC5uqQmLJQhKPe+g2E4Fl+vDltCCLi+SvNVPC3ZqQRmOdb9h8922ZHnolRJSxmD1xaIzW8vfY1/jtZIdSK5UkRw+59hWYEv4qR6aPx9FRkWO/RfmCJXERNGY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730717128; c=relaxed/simple; bh=mimCO2RIw7IpcTKa/9qpJ4echdy4H5giHHQovNW8o1g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uC7n8auHaTC6V567/5Ih0G5RgsLunvU+38FXdjn9OYm+fNTLQqzIMH/RlmxmKXgvfmH7SPuER15Xi38xTiEkrVRL/v4Kwh03AnfbrRy0ljf7Zu/EOx51RlCHxlE6oyFGa9oIKXiz4ounnYun4yp1Pqo0stwt/H/ZgbYq1smP+to= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de; spf=pass smtp.mailfrom=alien8.de; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b=dWc7O6gK; arc=none smtp.client-ip=65.109.113.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alien8.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b="dWc7O6gK" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id 905DE40E0263; Mon, 4 Nov 2024 10:45:24 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Authentication-Results: mail.alien8.de (amavisd-new); dkim=pass (4096-bit key) header.d=alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id knthAzzkWCyt; Mon, 4 Nov 2024 10:45:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1730717120; bh=Y79FvdVo8V6y+OzWYcGAzlO5DaOUiFRUHsT9yHWaLdY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dWc7O6gKiNWxp0GTAYt9sh41rqSVewOXBR8xnOlOSfdnuF+W9sgyTE1VfO1WDJNrb Q8tzUZlNNn6QZX1S6wTK0an/NSyh8GTXUsEDJjm83IuGmqAQbOn5CBe9s+hUIGuczR o7omP8CxHNpuoCFVmKP+VgsdurXClWEoLuIGqn8pC2WLX1P5yIiQKk9Hm9ISmf74O3 1M9pP8HH6FYuM7QjYStNDVSpLOlIiU1+2usmIrXkX5NzADaMYaMJnPU3B2Kshoh8P3 IX5ZaSB5o1qrnFnqYJHVfaETj7S9DcHoSvWjE9Kv7FGlwsaZ5jt7de8eLIU5EmzBvF wli/gJO+N6ehepCIBGzoL8Of4YSDsG+tcnLSNcmMVNakU5nRvTYw/TsmE/FQFsYXPo 7J0ZUaFuzCNqD8F22yclFH1N/2rFWDeoo9qOymUHg6W8itACnYyIkLUVzHzgH7rk+F LgePpBmfFa20/G3ujPbK22mbjpeJSoaRXwdofXGivDE65GKnK5t023GBFtyvrH9mhj 1L3ADezbD5Q1HEP9Nd+RfXw2iWVG2hMoteREYx7aZl2xIged4rr70VP3QYkLUQ4F0o nZwy1yMr04lsrMLn/gqJfsxH6Nfb0Lp46HVa8JrI/3iW8dC5s7No41DsZnAWKAGcdq g2AW7FvmDdnXC73q6uRIZo38= Received: from zn.tnic (p5de8e8eb.dip0.t-ipconnect.de [93.232.232.235]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 0F18240E0261; Mon, 4 Nov 2024 10:45:14 +0000 (UTC) Date: Mon, 4 Nov 2024 11:45:08 +0100 From: Borislav Petkov To: "Chang S. Bae" Cc: linux-kernel@vger.kernel.org, x86@kernel.org, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com Subject: Re: [PATCH RFC 2/7] x86/microcode: Introduce staging option to reduce late-loading latency Message-ID: <20241104104508.GRZyiltIGuSF2cfn76@fat_crate.local> References: <20241001161042.465584-1-chang.seok.bae@intel.com> <20241001161042.465584-3-chang.seok.bae@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20241001161042.465584-3-chang.seok.bae@intel.com> On Tue, Oct 01, 2024 at 09:10:37AM -0700, Chang S. Bae wrote: > diff --git a/arch/x86/kernel/cpu/microcode/internal.h b/arch/x86/kernel/cpu/microcode/internal.h > index 21776c529fa9..cb58e83e4934 100644 > --- a/arch/x86/kernel/cpu/microcode/internal.h > +++ b/arch/x86/kernel/cpu/microcode/internal.h > @@ -31,10 +31,12 @@ struct microcode_ops { > * See also the "Synchronization" section in microcode_core.c. > */ > enum ucode_state (*apply_microcode)(int cpu); > + void (*staging_microcode)(void); "stage_microcode" -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette