linux-kernel - Re: [PATCH V3 2/5] x86/hyper-v: Add hyperv Isolation VM check in the cc_platform

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <03718701-d27b-7da9-2849-46af3efaaa98@gmail.com>
Date:   Fri, 3 Dec 2021 19:23:35 +0800
From:   Tianyu Lan <ltykernel@...il.com>
To:     Wei Liu <wei.liu@...nel.org>
Cc:     kys@...rosoft.com, haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        decui@...rosoft.com, tglx@...utronix.de, mingo@...hat.com,
        bp@...en8.de, dave.hansen@...ux.intel.com, x86@...nel.org,
        hpa@...or.com, jgross@...e.com, sstabellini@...nel.org,
        boris.ostrovsky@...cle.com, joro@...tes.org, will@...nel.org,
        davem@...emloft.net, kuba@...nel.org, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, arnd@...db.de, hch@...radead.org,
        m.szyprowski@...sung.com, robin.murphy@....com,
        Tianyu.Lan@...rosoft.com, thomas.lendacky@....com,
        xen-devel@...ts.xenproject.org, michael.h.kelley@...rosoft.com,
        iommu@...ts.linux-foundation.org, linux-arch@...r.kernel.org,
        linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-scsi@...r.kernel.org, netdev@...r.kernel.org,
        vkuznets@...hat.com, brijesh.singh@....com, konrad.wilk@...cle.com,
        hch@....de, parri.andrea@...il.com, dave.hansen@...el.com
Subject: Re: [PATCH V3 2/5] x86/hyper-v: Add hyperv Isolation VM check in the
 cc_platform_has()

On 12/2/2021 10:39 PM, Wei Liu wrote:
>> +static bool hyperv_cc_platform_has(enum cc_attr attr)
>> +{
>> +#ifdef CONFIG_HYPERV
>> +	if (attr == CC_ATTR_GUEST_MEM_ENCRYPT)
>> +		return true;
>> +	else
>> +		return false;
> This can be simplified as
> 
> 	return attr == CC_ATTR_GUEST_MEM_ENCRYPT;
> 
> 
> Wei.

Hi Wei:	
	Thanks for your review. Will update.