Messages in this thread | | | Subject | Re: [PATCH] Complain about missing system calls. | From | Benjamin Herrenschmidt <> | Date | Fri, 09 Mar 2007 17:47:34 +0100 |
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On Fri, 2007-03-09 at 17:11 +0100, Andi Kleen wrote: > David Woodhouse <dwmw2@infradead.org> writes: > > > Most system calls seem to get added to i386 first. This patch > > automatically generates a warning for any new system call which is > > implemented on i386 but not the architecture currently being compiled. > > On PowerPC at the moment, for example, it results in these warnings: > > init/missing_syscalls.h:935:3: warning: #warning syscall sync_file_range not implemented > > init/missing_syscalls.h:947:3: warning: #warning syscall getcpu not implemented > > init/missing_syscalls.h:950:3: warning: #warning syscall epoll_pwait not implemented > > I think a better solution would be to finally switch to auto generated > system call tables for newer system calls. The original reason why the > architectures have different system call numbers -- compatibility with > another "native" Unix -- is completely obsolete now. This leaves only > minor differences of compat stub vs non compat stub and a few > architecture specific calls. > > Of course the existing syscall numbers can't be changed, but for all new > calls one could just add automatically for everybody. > > A global table with two entries (compat and non compat) and a per arch > override table should be sufficient.
We need additional gunk for syscalls that can be called from SPEs on cell
Ben.
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