Messages in this thread | | | From | "Guan Xuetao" <> | Subject | RE: [PATCH] Unicore architecture patch review, part 2 | Date | Thu, 9 Dec 2010 11:37:58 +0800 |
| |
> -----Original Message----- > From: linux-arch-owner@vger.kernel.org [mailto:linux-arch- > owner@vger.kernel.org] On Behalf Of Arnd Bergmann > Sent: Wednesday, December 08, 2010 8:54 PM > To: Guan Xuetao > Cc: linux-arch@vger.kernel.org; linux-kernel@vger.kernel.org > Subject: Re: [PATCH] Unicore architecture patch review, part 2 > > On Wednesday 08 December 2010, Guan Xuetao wrote: > > > > > @@ -0,0 +1,390 @@ > > > > +/* 0 */ CALL(sys_restart_syscall) > > > > + CALL(sys_exit) > > > > + CALL(sys_fork_wrapper) > > > > + CALL(sys_read) > > > > + CALL(sys_write) > > > > +/* 5 */ CALL(sys_open) > > > > + CALL(sys_close) > > > > > > When you start using the generic unistd.h file, you can also replace > > > this table with something like arch/tile/kernel/sys.c. > > Well. I will use the generic unistd.h in UniCore-64 version. > > I thought you had agreed to break ABI compatibility with your existing code > base and use the generic ABI everywhere. > > Did I misunderstand you or did you make up your mind since then? > We do define new 32-bit ABI work at present, and I will use generic unistd in new ABI. But existing machines must be maintained, so many codes need remain compatibility. Then, it would be a long-term work, and 64-bit coding will be before that.
Guan Xuetao
| |