Luca, le mar. 30 août 2022 07:57:23 +0200, a ecrit: > Il 28/08/22 15:13, Samuel Thibault ha scritto: > > This was breaking the 32bit kernel case. I have pushed a fix for that, > > that does this move of setting msgh_size to copyinmsg itself. > > The 32-bit case was breaking because it needed an updated MIG,
? You mean that the kernel would have to trust userland to set msgh_size properly? We cannot do that :) > As far as I understand, these routines should use stac/clac if the SMAP cpu > feature is supported on x86 as the Linux counterparts, so we would catch > these cases earlier. Yes. > I didn't find anything related to cpu features yet, git grep -i feature i386/ > Is there a minimum that we can assume to have? I'd rather not. And particularly not SMAP which is very recent :) Samuel
