Re: [PATCH v3 4/6] parisc: uapi header and system call table file generation

From: Firoz Khan
Date: Thu Oct 11 2018 - 02:14:32 EST


Typo fixed!

On Thu, 11 Oct 2018 at 11:40, Firoz Khan <firoz.khan@xxxxxxxxxx> wrote:
>
> Hi Helge,
>
> On Wed, 10 Oct 2018 at 01:48, Helge Deller <deller@xxxxxx> wrote:
> >
> > * Firoz Khan <firoz.khan@xxxxxxxxxx>:
> > > System call table generation script must be run to generate
> > > unistd_32/64.h and syscall_table_32/64/c32.h files. This patch
> > > will have changes which will invokes the script.
> > >
> > > This patch will generate unistd_32/64.h and syscall_table_
> > > 32/64/c32.h files by the syscall table generation script
> > > invoked by arch/parisc/Makefile and the generated files against
> > > the removed files will be identical.
> > >
> > > The generated uapi header file will be included in uapi/asm/
> > > unistd_32/64.h and generated system call table support file will
> > > be included by arch/sparc/kernel/syscall_table_32/64.S file.
> > >
> > > Signed-off-by: Firoz Khan <firoz.khan@xxxxxxxxxx>
> > > ---
> > > arch/parisc/Makefile | 4 +
> > > arch/parisc/include/asm/Kbuild | 3 +
> > > arch/parisc/include/uapi/asm/Kbuild | 2 +
> > > arch/parisc/include/uapi/asm/unistd.h | 373 +--------------------------
> > > arch/parisc/kernel/syscall.S | 12 +-
> > > arch/parisc/kernel/syscall_table.S | 459 ----------------------------------
> >
> >
> > Can we please get rid of those two new files:
>
> Yes, we don't need those files some of the architecture and other
> architecture does have same/similar files. That's why I added below
Yes, we don't need those files some of the architecture does have ...

> files, so every architecture implementation looks same.
>
> I feel it is better to remove these files.
> Arnd, Do u have any comment on this?
>
> Thanks
> Firoz
>
> >
> > > arch/parisc/kernel/syscall_table_32.S | 13 +
> > > arch/parisc/kernel/syscall_table_64.S | 20 ++
> >
> > Both are not needed (at least on parisc) if you apply the following
> > patch on top of your patch series.
> > This patch finally fixes the 64-bit kernel on parisc (tested on real
> > hardware).
> >
> > Helge
> >
> > diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
> > index 2523b83b88d8..45cddeeb968f 100644
> > --- a/arch/parisc/kernel/syscall.S
> > +++ b/arch/parisc/kernel/syscall.S
> > @@ -923,10 +923,20 @@ ENTRY(lws_table)
> > END(lws_table)
> > /* End of lws table */
> >
> > -#include "syscall_table_32.S"
> > +#define __SYSCALL(nr, entry, nargs) ASM_ULONG_INSN entry
> > +
> > +ENTRY(sys_call_table)
> > +#if defined(CONFIG_64BIT)
> > +#include <asm/syscall_table_c32.h> /* compat syscalls */
> > +#else
> > +#include <asm/syscall_table_32.h> /* 32-bit native syscalls */
> > +#endif
> > +END(sys_call_table)
> > +
> > #ifdef CONFIG_64BIT
> > -#define SYSCALL_TABLE_64BIT
> > -#include "syscall_table_64.S"
> > +ENTRY(sys_call_table64)
> > +#include <asm/syscall_table_64.h> /* 64-bit native syscalls */
> > +END(sys_call_table64)
> > #endif
> >
> > /*