From: Stanislav Kinsbursky <skinsbursky@parallels•com>
To: "H. Peter Anvin" <hpa@zytor•com>
Cc: "tglx@linutronix•de" <tglx@linutronix•de>,
"mingo@redhat•com" <mingo@redhat•com>,
"davem@davemloft•net" <davem@davemloft•net>,
"thierry.reding@avionic-design•de"
<thierry.reding@avionic-design•de>,
"bfields@redhat•com" <bfields@redhat•com>,
"eric.dumazet@gmail•com" <eric.dumazet@gmail•com>,
Pavel Emelianov <xemul@parallels•com>,
"neilb@suse•de" <neilb@suse•de>,
"netdev@vger•kernel.org" <netdev@vger•kernel.org>,
"x86@kernel•org" <x86@kernel•org>,
"linux-kernel@vger•kernel.org" <linux-kernel@vger•kernel.org>,
"paul.gortmaker@windriver•com" <paul.gortmaker@windriver•com>,
"viro@zeniv•linux.org.uk" <viro@zeniv•linux.org.uk>,
"gorcunov@openvz•org" <gorcunov@openvz•org>,
"akpm@linux-foundation•org" <akpm@linux-foundation•org>,
"tim.c.chen@linux•intel.com" <tim.c.chen@linux•intel.com>,
"devel@openvz•org" <devel@openvz•org>,
"ebiederm@xmission•com" <ebiederm@xmission•com>
Subject: Re: [RFC PATCH 5/5] syscall: sys_fbind() introduced
Date: Wed, 15 Aug 2012 20:43:49 +0400 [thread overview]
Message-ID: <502BD1C5.6080002@parallels.com> (raw)
In-Reply-To: <502BCEAD.7050905@zytor.com>
15.08.2012 20:30, H. Peter Anvin пишет:
> On 08/15/2012 09:22 AM, Stanislav Kinsbursky wrote:
>> This syscall allows to bind socket to specified file descriptor.
>> Descriptor can be gained by simple open with O_PATH flag.
>> Socket node can be created by sys_mknod().
>>
>> Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels•com>
>> ---
>> arch/x86/syscalls/syscall_32.tbl | 1 +
>> arch/x86/syscalls/syscall_64.tbl | 1 +
>> include/linux/syscalls.h | 1 +
>> kernel/sys_ni.c | 3 +++
>> net/socket.c | 25 +++++++++++++++++++++++++
>> 5 files changed, 31 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
>> index 7a35a6e..9594b82 100644
>> --- a/arch/x86/syscalls/syscall_32.tbl
>> +++ b/arch/x86/syscalls/syscall_32.tbl
>> @@ -356,3 +356,4 @@
>> 347 i386 process_vm_readv sys_process_vm_readv compat_sys_process_vm_readv
>> 348 i386 process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev
>> 349 i386 kcmp sys_kcmp
>> +350 i386 fbind sys_fbind
>
> i386 uses socketcalls... perhaps it shouldn't (socketcalls are pretty
> much an abomination), but for socketcall-based architectures this really
> should be a socketcall.
>
Thanks, Peter. I'll rework this.
> Don't you also need fconnect()? Or is that simply handled by allowing
> open() without O_PATH?
>
Yes, I need it.
If this approach will be accepted, then I'll send one more patch set for fconnect.
> -hpa
>
--
Best regards,
Stanislav Kinsbursky
next prev parent reply other threads:[~2012-08-15 16:43 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-15 16:21 [RFC PATCH 0/5] net: socket bind to file descriptor introduced Stanislav Kinsbursky
2012-08-15 16:22 ` [RFC PATCH 1/5] net: cleanup unix_bind() a little Stanislav Kinsbursky
2012-08-15 16:22 ` [RFC PATCH 2/5] net: split unix_bind() Stanislav Kinsbursky
2012-08-15 16:22 ` [RFC PATCH 3/5] net: new protocol operation fbind() introduced Stanislav Kinsbursky
2012-08-15 16:22 ` [RFC PATCH 4/5] net: fbind() for unix sockets protocol operations introduced Stanislav Kinsbursky
2012-08-15 16:22 ` [RFC PATCH 5/5] syscall: sys_fbind() introduced Stanislav Kinsbursky
2012-08-15 16:30 ` H. Peter Anvin
2012-08-15 16:43 ` Stanislav Kinsbursky [this message]
2012-08-15 16:52 ` [RFC PATCH 0/5] net: socket bind to file descriptor introduced Ben Pfaff
2012-08-15 17:54 ` H. Peter Anvin
2012-08-15 19:49 ` Eric W. Biederman
2012-08-15 20:58 ` H. Peter Anvin
2012-08-15 21:25 ` Eric W. Biederman
2012-08-16 3:03 ` Eric W. Biederman
2012-08-16 13:54 ` J. Bruce Fields
2012-08-20 10:18 ` Stanislav Kinsbursky
2012-09-04 19:00 ` J. Bruce Fields
2012-10-05 20:00 ` J. Bruce Fields
2012-10-08 8:37 ` Stanislav Kinsbursky
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