From mboxrd@z Thu Jan 1 00:00:00 1970 From: Firoz Khan Subject: Re: [PATCH v3 4/6] parisc: uapi header and system call table file generation Date: Thu, 11 Oct 2018 11:40:46 +0530 Message-ID: References: <1538975801-13735-1-git-send-email-firoz.khan@linaro.org> <1538975801-13735-5-git-send-email-firoz.khan@linaro.org> <20181009201321.GA28911@ls3530.fritz.box> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: In-Reply-To: <20181009201321.GA28911@ls3530.fritz.box> Sender: linux-kernel-owner@vger.kernel.org To: Helge Deller Cc: linux-parisc@vger.kernel.org, "James E . J . Bottomley" , Thomas Gleixner , Greg Kroah-Hartman , Philippe Ombredanne , Kate Stewart , y2038 Mailman List , Linux Kernel Mailing List , Linux-Arch , Arnd Bergmann , Deepa Dinamani , Marcin Juszkiewicz List-Id: linux-arch.vger.kernel.org Hi Helge, On Wed, 10 Oct 2018 at 01:48, Helge Deller wrote: > > * Firoz Khan : > > 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 > > --- > > 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 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 /* compat syscalls */ > +#else > +#include /* 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 /* 64-bit native syscalls */ > +END(sys_call_table64) > #endif > > /* From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw1-f68.google.com ([209.85.161.68]:42869 "EHLO mail-yw1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727461AbeJKNgm (ORCPT ); Thu, 11 Oct 2018 09:36:42 -0400 Received: by mail-yw1-f68.google.com with SMTP id a197-v6so3148461ywh.9 for ; Wed, 10 Oct 2018 23:10:58 -0700 (PDT) MIME-Version: 1.0 References: <1538975801-13735-1-git-send-email-firoz.khan@linaro.org> <1538975801-13735-5-git-send-email-firoz.khan@linaro.org> <20181009201321.GA28911@ls3530.fritz.box> In-Reply-To: <20181009201321.GA28911@ls3530.fritz.box> From: Firoz Khan Date: Thu, 11 Oct 2018 11:40:46 +0530 Message-ID: Subject: Re: [PATCH v3 4/6] parisc: uapi header and system call table file generation Content-Type: text/plain; charset="UTF-8" Sender: linux-arch-owner@vger.kernel.org List-ID: To: Helge Deller Cc: linux-parisc@vger.kernel.org, "James E . J . Bottomley" , Thomas Gleixner , Greg Kroah-Hartman , Philippe Ombredanne , Kate Stewart , y2038 Mailman List , Linux Kernel Mailing List , Linux-Arch , Arnd Bergmann , Deepa Dinamani , Marcin Juszkiewicz Message-ID: <20181011061046.2jhPWHUq9n6ib5okvCcMKhLmrdGxOYcrXmy0HAAX8s8@z> Hi Helge, On Wed, 10 Oct 2018 at 01:48, Helge Deller wrote: > > * Firoz Khan : > > 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 > > --- > > 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 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 /* compat syscalls */ > +#else > +#include /* 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 /* 64-bit native syscalls */ > +END(sys_call_table64) > #endif > > /*