Re: [PATCH RFC v2 00/12] socket sendmsg MSG_ZEROCOPY

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Feb 28, 2017 at 1:47 PM, Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote:
> On Tue, 2017-02-28 at 13:09 -0800, Andy Lutomirski wrote:
>
>> Does this mean that a user program that does a zerocopy send can cause
>> a retransmitted segment to contain different data than the original
>> segment?  If so, is that okay?
>
> Same remark applies to sendfile() already

True.

>, or other zero copy modes
> (vmsplice() + splice() )

I hate vmsplice().  I thought I remembered it being essentially
disabled at some point due to security problems.

>
--
To unsubscribe from this list: send the line "unsubscribe linux-api" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux