lkml.org 
[lkml]   [2018]   [Jan]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 3/3] syscalls: Add a bit of documentation to __SYSCALL_DEFINE
On Sun, Jan 28, 2018 at 12:42:24PM -0800, Linus Torvalds wrote:

> The 64-bit argument for 32-bit case would end up having to have a few
> more of those architecture-specific oddities. So not just
> "argument1(ptregs)", but "argument2_32_64(ptregs)" or something that
> says "get me argument 2, when the first argument is 32-bit and I want
> a 64-bit one".

Yeah, but... You either get to give SYSCALL_DEFINE more than just
the number of arguments (SYSCALL_DEFINE_WDDW) or you need to go
for rather grotty macros to pick that information. That's pretty
much what I'd tried; it hadn't been fun at all...

\
 
 \ /
  Last update: 2018-01-28 23:51    [W:0.070 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site