linux-kernel - Re: [PATCH v19 09/12] arch: Wire up landlock() syscall

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Date:   Wed, 8 Jul 2020 09:31:26 +0200
From:   Mickaël Salaün <mic@...ikod.net>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Andy Lutomirski <luto@...capital.net>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        Casey Schaufler <casey@...aufler-ca.com>,
        James Morris <jmorris@...ei.org>, Jann Horn <jannh@...gle.com>,
        Jeff Dike <jdike@...toit.com>,
        Jonathan Corbet <corbet@....net>,
        Kees Cook <keescook@...omium.org>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        Mickaël Salaün <mickael.salaun@....gouv.fr>,
        Richard Weinberger <richard@....at>,
        "Serge E . Hallyn" <serge@...lyn.com>,
        Shuah Khan <shuah@...nel.org>,
        Vincent Dagonneau <vincent.dagonneau@....gouv.fr>,
        Kernel Hardening <kernel-hardening@...ts.openwall.com>,
        Linux API <linux-api@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Linux FS-devel Mailing List <linux-fsdevel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        LSM List <linux-security-module@...r.kernel.org>,
        the arch/x86 maintainers <x86@...nel.org>
Subject: Re: [PATCH v19 09/12] arch: Wire up landlock() syscall


On 08/07/2020 09:22, Arnd Bergmann wrote:
> On Tue, Jul 7, 2020 at 8:10 PM Mickaël Salaün <mic@...ikod.net> wrote:
> 
>> index f4a01305d9a6..a63a411a74d5 100644
>> --- a/include/uapi/asm-generic/unistd.h
>> +++ b/include/uapi/asm-generic/unistd.h
>> @@ -857,9 +857,11 @@ __SYSCALL(__NR_openat2, sys_openat2)
>>  __SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd)
>>  #define __NR_faccessat2 439
>>  __SYSCALL(__NR_faccessat2, sys_faccessat2)
>> +#define __NR_landlock 440
>> +__SYSCALL(__NR_landlock, sys_landlock)
>>
>>  #undef __NR_syscalls
>> -#define __NR_syscalls 440
>> +#define __NR_syscalls 441
> 
> In linux-next, we already have:
> 
> +#define __NR_watch_mount 440
> +#define __NR_watch_sb 441
> +#define __NR_fsinfo 442
> +#define __NR_process_madvise 443
> 
> You may want to increase the number again.
> 
>       Arnd
> 

OK, I'll rebase the next series on linux-next. Do you know if there is
other syscalls on their way to linux-next?

Are the other parts of arch/syscall OK for you?