[PATCH v6 15/19] arm64: ilp32: force IPC_64 in msgctl, shmctl, semctl

Arnd Bergmann
2015-11-18T12:04:02Z

On Wednesday 18 November 2015 11:07:26 Geert Uytterhoeven wrote:
> >
> > I've done a complete list of what the architectures (see
> > https://docs.google.com/spreadsheets/d/18GxXEHE2ywnSr-SPoGFd1ABz6wEM1ex-JMu5lEraaH8/ )
> >
> > We have these categories:
> >
> > 1. uses IPC_PARSE_VERSION with sys_ipc, and has just introduced
> > separate syscalls:
> >
> > arm, avr32, powerpc, x86-32
>
> x86-32, where?

My mistake. x86 uses a different way to do this, so I didn't see it
using grep and just assumed that Andy Lutomirski had patched it already
based on my memory of

https://sourceware.org/ml/libc-alpha/2015-09/msg00323.html

> > 2. uses IPC_PARSE_VERSION with sys_ipc, and has not yet introduced
> > separate syscalls (currently producing a compile warning):
> >
> > cris, frv, m32r, m68k, mips (o32), mn10300, s390, sh32, sparc
> >
> > 3. uses IPC_PARSE_VERSION with separate syscalls:
> >
> > alpha, blackfin, microblaze, mips (n32/64), xtensa
> >
> > 4a. only new-style IPC with separate syscalls:
> >
> > ia64, parisc, sh64
>
> and x86-64?

right, that too. I got it in my spreadsheet by copied it wrong.

> > 4b. only new-style IPC with separate syscalls, using generic syscall
> > table:
> >
> > arc, arm64, c6x, h8300, hexagon, metag, nios2, openrisc, score,
> > tile, unicore32
> >
> > So we should probably fix 1. and 2. before it's too late, but make
> > sure we don't break 3. in the process.
>
> (Fortunately?) x86-32 doesn't seem to be converted in next yet?
>
> I was hoping for them to do the heavy lifting for the generic solution

yes, that would be nice ;-)

Arnd