Re: Regarding the ULTRIX and OSF1 compats
Maxime Villard <[email protected]>
| Newsgroups | gmane.os.netbsd.devel.kernel,gmane.os.netbsd.ports.pmax,gmane.os.netbsd.ports.alpha |
|---|---|
| Message-ID | <[email protected]> |
Le 24/03/2019 à 00:41, Thor Lancelot Simon a écrit : > On Sun, Mar 17, 2019 at 05:41:18AM +0800, Paul Goyette wrote: >> On Sat, 16 Mar 2019, Maxime Villard wrote: >> >>> Regarding COMPAT_OSF1: I'm not totally sure, but it seems that Alpha's >>> COMPAT_LINUX uses COMPAT_OSF1 as dependency (even if there is no proper >>> dependency in the module), because there are osf1_* calls. Some more >>> compat mess to untangle, it seems... >>> >>> In all cases, it's only a few functions that are just wrappers, so it >>> probably shouldn't be too complicated to solve. >> >> It's a total of 15 functions (I generated this list by building an alpha >> GENERIC kernel with COMPAT_OSF1 removed): >> >> osf1_sys_wait4 >> osf1_sys_mount > > [...] > > There's a funny historical reason for this -- Linux on Alpha originally > used OSF/1 syscall numbering and args for its own native syscalls. > > No, our implementation need not actually reflect that -- but it's an > interesting historical detail perhaps we should write down somewhere. Does that mean we don't need these syscalls?