lkml.org 
[lkml]   [2020]   [Jun]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC 0/4] futex2: Add new futex interface
From
Date
Hello H.J.,

On 6/12/20 4:35 PM, H.J. Lu wrote:
> On Fri, Jun 12, 2020 at 11:53 AM André Almeida via Libc-alpha
> <libc-alpha@sourceware.org> wrote:
>> - Is expected to have a x32 ABI implementation as well? In the case of
>> wait and wake, we could use the same as x86_64 ABI. However, for the
>> waitv (aka wait on multiple futexes) we would need a proper x32 entry
>> since we are dealing with 32bit pointers.
>
> x32 should be able to use the same i386 compat systcall entry. Will it be
> problem?
>
Indeed, you are right. In the last iteration of this work, I had some
problems dealing with x32 ABI, but this new interface doesn't have the
same problem anymore. We can use the same sys_waitv_time64 interface for
both i368 and x32.

>>
>
> H.J.
>

Thanks,
André

\
 
 \ /
  Last update: 2020-06-13 21:27    [W:0.020 / U:0.940 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site