linux-kernel - Re: [PATCH v10 6/9] KVM: Unmap existing mappings when change the memory attributes

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: <20221219075432.GC1691829@chaop.bj.intel.com>
Date:   Mon, 19 Dec 2022 15:54:32 +0800
From:   Chao Peng <chao.p.peng@...ux.intel.com>
To:     "Huang, Kai" <kai.huang@...el.com>
Cc:     "linux-api@...r.kernel.org" <linux-api@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "qemu-devel@...gnu.org" <qemu-devel@...gnu.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "jmattson@...gle.com" <jmattson@...gle.com>,
        "Lutomirski, Andy" <luto@...nel.org>,
        "pbonzini@...hat.com" <pbonzini@...hat.com>,
        "ak@...ux.intel.com" <ak@...ux.intel.com>,
        "kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>,
        "david@...hat.com" <david@...hat.com>,
        "tabba@...gle.com" <tabba@...gle.com>,
        "Hocko, Michal" <mhocko@...e.com>,
        "michael.roth@....com" <michael.roth@....com>,
        "corbet@....net" <corbet@....net>,
        "bfields@...ldses.org" <bfields@...ldses.org>,
        "dhildenb@...hat.com" <dhildenb@...hat.com>,
        "x86@...nel.org" <x86@...nel.org>, "bp@...en8.de" <bp@...en8.de>,
        "vannapurve@...gle.com" <vannapurve@...gle.com>,
        "rppt@...nel.org" <rppt@...nel.org>,
        "shuah@...nel.org" <shuah@...nel.org>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>,
        "vbabka@...e.cz" <vbabka@...e.cz>, "arnd@...db.de" <arnd@...db.de>,
        "mail@...iej.szmigiero.name" <mail@...iej.szmigiero.name>,
        "qperret@...gle.com" <qperret@...gle.com>,
        "Christopherson,, Sean" <seanjc@...gle.com>,
        "ddutile@...hat.com" <ddutile@...hat.com>,
        "naoya.horiguchi@....com" <naoya.horiguchi@....com>,
        "aarcange@...hat.com" <aarcange@...hat.com>,
        "wanpengli@...cent.com" <wanpengli@...cent.com>,
        "yu.c.zhang@...ux.intel.com" <yu.c.zhang@...ux.intel.com>,
        "hughd@...gle.com" <hughd@...gle.com>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "hpa@...or.com" <hpa@...or.com>,
        "Nakajima, Jun" <jun.nakajima@...el.com>,
        "jlayton@...nel.org" <jlayton@...nel.org>,
        "joro@...tes.org" <joro@...tes.org>,
        "steven.price@....com" <steven.price@....com>,
        "Hansen, Dave" <dave.hansen@...el.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "linmiaohe@...wei.com" <linmiaohe@...wei.com>,
        "Wang, Wei W" <wei.w.wang@...el.com>
Subject: Re: [PATCH v10 6/9] KVM: Unmap existing mappings when change the
 memory attributes

On Tue, Dec 13, 2022 at 11:51:25PM +0000, Huang, Kai wrote:
> On Fri, 2022-12-02 at 14:13 +0800, Chao Peng wrote:
> >  
> > -	/* flags is currently not used. */
> > +	/* 'flags' is currently not used. */
> >  	if (attrs->flags)
> >  		return -EINVAL;
> 
> Unintended code change.

Yeah!

Chao