From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 4A39413E8B2; Thu, 11 Apr 2024 07:51:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712821901; cv=none; b=tmRIbciQAhPhtOoXZa1eEMW6Hh7bHfP++2LcV5vO73duTMqdmEm02mtZ7dbkcRwGrRLIb1PtZPSSt5FVZ8i88rt5N8pGYcyaiX2Mj6lytq+G/Tagt4cRgAGRAKFw3Jj3z5r2zB3qXoSy0gCrBnnYvOQ9VBsvvLgpeQcp3dCf2Qc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712821901; c=relaxed/simple; bh=yQ977sHokSopeKlSz6gwlpuep+m/Dh6CkBKLL1R+3Lg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ZDJb1XEVLivXpZeCR16PMhuNb7Z55kPvVCVyPq6f2EIZ6OQsr78dtJUioUCzizmTy1ZwWISWXMec6d2fXoG84bSACpWiItMCZzRzyehbCFo8Y1ZunCGPe02B4baMgKQXVqXgmcHX9lWFrgnkv4umFrMtyhIWUEFWoIZiJ3PlnUo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=thj8jsF/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="thj8jsF/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 378C6C433F1; Thu, 11 Apr 2024 07:51:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1712821900; bh=yQ977sHokSopeKlSz6gwlpuep+m/Dh6CkBKLL1R+3Lg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=thj8jsF/Gm1dQFbLyczjAEu1tdUJhyP74hNYUELLn2IE7ZLW5muKR/VLeluspG5QR x9QAvALL3EIhw8m+gYW0YfhkQzGT7R8Pxib+jBhhlMIkCgodADsHsdSlfhMZzus8J/ 7TAT1PTxMYLUxWHFm/qhV0ZNNfEhrOVKPq2FYZ6E= Date: Thu, 11 Apr 2024 09:51:38 +0200 From: Greg KH To: Alexandre Chartre Cc: x86@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, daniel.sneddon@linux.intel.com, pawan.kumar.gupta@linux.intel.com, tglx@linutronix.de, konrad.wilk@oracle.com, peterz@infradead.org, seanjc@google.com, andrew.cooper3@citrix.com, dave.hansen@linux.intel.com, nik.borisov@suse.com, kpsingh@kernel.org, longman@redhat.com, bp@alien8.de, pbonzini@redhat.com Subject: Re: [PATCH] KVM: x86: Set BHI_NO in guest when host is not affected by BHI Message-ID: <2024041127-revival-nifty-8396@gregkh> References: <20240411072445.522731-1-alexandre.chartre@oracle.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=us-ascii Content-Disposition: inline In-Reply-To: <20240411072445.522731-1-alexandre.chartre@oracle.com> On Thu, Apr 11, 2024 at 09:24:45AM +0200, Alexandre Chartre wrote: > When a system is not affected by the BHI bug then KVM should > configure guests with BHI_NO to ensure they won't enable any > BHI mitigation. > > Signed-off-by: Alexandre Chartre No Fixes: tag here? thanks, greg k-h