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Re: Regarding the ULTRIX and OSF1 compats



Le 16/03/2019 à 22:41, Paul Goyette a écrit :
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
         osf1_sys_set_program_attributes
         osf1_sys_setitimer
         osf1_sys_select
         osf1_sys_gettimeofday
         osf1_sys_getrusage
         osf1_sys_settimeofday
         osf1_sys_utimes
         osf1_sys_statfs
         osf1_sys_fstatfs
         osf1_sys_sysinfo
         osf1_sys_usleep_thread
         osf1_sys_getsysinfo
         osf1_sys_setsysinfo

All of these are references from linux_sysent.o

Yes. Most of these functions are basic wrappers, that I think we can just
gather into a linux_misc.c or similar.

Do we know if COMPAT_OSF1 has actually ever been supported on HPPA? It is
commented out in GENERIC since rev1, and there is some Alpha-specific code
in osf1_misc.c that could hardly have compiled on HPPA.


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