lkml.org 
[lkml]   [2020]   [May]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2] dlmfs: convert dlmfs_file_read() to copy_to_user()
On Fri, May 29, 2020 at 01:57:36PM -0700, Linus Torvalds wrote:

> > All jokes aside, when had we (or anybody else, really) _not_ gotten
> > into trouble when passing structs across the kernel boundary? Sure,
> > sometimes you have to (stat, for example), but just look at the amount
> > of PITA stat() has spawned...
>
> I'd rather see the struct than some ugly manual address calculations
> and casts...
>
> Because that's fundamentally what a struct _is_, after all.

Sure; the bad idea I was refering to had been to pass the arguments from
userland that way, not the syntax used for it. And it's obviously cast
in stone by now - userland ABI and all such...

\
 
 \ /
  Last update: 2020-05-29 23:07    [W:0.140 / U:0.284 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site