linux-kernel - Re: [PATCH V8 36/44] memremap_pages: Reserve a PKS PKey for eventual use by PMEM

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: <CAPcyv4iPT8r9ButHRJ2DsPQQMBN1rHCe1zSiV-rrag9vdqoW7w@mail.gmail.com>
Date:   Tue, 8 Feb 2022 15:22:22 -0800
From:   Dan Williams <dan.j.williams@...el.com>
To:     Ira Weiny <ira.weiny@...el.com>
Cc:     "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>,
        "hpa@...or.com" <hpa@...or.com>,
        "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
        "Yu, Fenghua" <fenghua.yu@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V8 36/44] memremap_pages: Reserve a PKS PKey for eventual
 use by PMEM

On Tue, Feb 8, 2022 at 2:48 PM Ira Weiny <ira.weiny@...el.com> wrote:
[..]
>  *      // 5) Add initial value to PKS_INIT_VALUE
>  *      #define PKS_INIT_VALUE ((PKS_ALL_AD & (GENMASK(31, PKS_KEY_MAX * PKR_BITS_PER_PKEY))) | \
>  *                              PKS_KEY_DEFAULT_INIT | \
>  *                              PKS_KEY_MY_FEATURE_INIT | \

Does this compile? I.e. can you have a '|' operator with nothing on
the right hand side?

>  *                              )
>  */
>
>
> Let me know if this is clear enough?

Looks good to me.