[lkml]   [2019]   [Sep]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v1 1/4] lib: introduce copy_struct_from_user() helper
On Wed, Sep 25, 2019 at 11:04 AM Al Viro <> wrote:
> IMO it's better to lift reading the first word out of the loop, like this:
> ...
> Do you see any problems with that variant?

That looks fine to me too.

It's a bit harder for humans to read because of how it reads the word
from user space one iteration early, but from a code generation
standpoint it probably is better.

So slightly subtler source code, and imho harder to read, but it looks
correct to me.


 \ /
  Last update: 2019-09-25 20:14    [W:0.037 / U:1.644 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site