Re: [PATCH 2.6.27.7-9-pae #7 SMP 1/1] networking tcp: Writing tcpsocket be atomic

[David Miller]

From: "John Ye" <johny@xxxxxxxxxxxxx>
Date: Thu, 4 Feb 2010 10:03:44 +0800

> The option TCP_ATOMIC is not a must.  We can make atomic be default
> if the data size is less than a fixed size, just the same as pipe.
> For example, if the data size is less than 512, we don't split the
> data so it goes atomically.

This completely ignores the core issue.

And that is, for the second time, that the application is where such
atomicity guarentees should be implemented.

And because of that any implementation of your kernel changes are
inappropriate, TCP_ATOMIC socket option or not.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/