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x86/entry: Remove syscall qualifier support

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Syscall qualifier support is no longer needed.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Link: https://lkml.kernel.org/r/20200313195144.164260-11-brgerst@gmail.com
This commit is contained in:
Brian Gerst 2020-03-13 15:51:36 -04:00 committed by Thomas Gleixner
parent d3b1b776ee
commit b5592e5c0d
6 changed files with 14 additions and 22 deletions
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6
arch/x86/entry/syscall_32.c
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@ -9,10 +9,10 @@
#ifdef CONFIG_IA32_EMULATION
/* On X86_64, we use struct pt_regs * to pass parameters to syscalls */
#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);
#define __SYSCALL_I386(nr, sym) extern asmlinkage long sym(const struct pt_regs *);
#define __sys_ni_syscall __ia32_sys_ni_syscall
#else /* CONFIG_IA32_EMULATION */
#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
#define __SYSCALL_I386(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
#define __sys_ni_syscall sys_ni_syscall
#endif /* CONFIG_IA32_EMULATION */
@ -20,7 +20,7 @@ extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned lon
#include <asm/syscalls_32.h>
#undef __SYSCALL_I386
#define __SYSCALL_I386(nr, sym, qual) [nr] = sym,
#define __SYSCALL_I386(nr, sym) [nr] = sym,
__visible const sys_call_ptr_t ia32_sys_call_table[__NR_ia32_syscall_max+1] = {
/*

6
arch/x86/entry/syscall_64.c
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@ -8,13 +8,13 @@
#include <asm/unistd.h>
#include <asm/syscall.h>
#define __SYSCALL_X32(nr, sym, qual)
#define __SYSCALL_X32(nr, sym)
#define __SYSCALL_64(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);
#define __SYSCALL_64(nr, sym) extern asmlinkage long sym(const struct pt_regs *);
#include <asm/syscalls_64.h>
#undef __SYSCALL_64
#define __SYSCALL_64(nr, sym, qual) [nr] = sym,
#define __SYSCALL_64(nr, sym) [nr] = sym,
asmlinkage const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = {
/*

6
arch/x86/entry/syscall_x32.c
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@ -8,13 +8,13 @@
#include <asm/unistd.h>
#include <asm/syscall.h>
#define __SYSCALL_64(nr, sym, qual)
#define __SYSCALL_64(nr, sym)
#define __SYSCALL_X32(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);
#define __SYSCALL_X32(nr, sym) extern asmlinkage long sym(const struct pt_regs *);
#include <asm/syscalls_64.h>
#undef __SYSCALL_X32
#define __SYSCALL_X32(nr, sym, qual) [nr] = sym,
#define __SYSCALL_X32(nr, sym) [nr] = sym,
asmlinkage const sys_call_ptr_t x32_sys_call_table[__NR_x32_syscall_max+1] = {
/*

10
arch/x86/entry/syscalls/syscalltbl.sh
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@ -9,15 +9,7 @@ syscall_macro() {
local nr="$2"
local entry="$3"
# Entry can be either just a function name or "function/qualifier"
real_entry="${entry%%/*}"
if [ "$entry" = "$real_entry" ]; then
qualifier=
else
qualifier=${entry#*/}
fi
echo "__SYSCALL_${abi}($nr, $real_entry, $qualifier)"
echo "__SYSCALL_${abi}($nr, $entry)"
}
emit() {

4
arch/x86/um/sys_call_table_32.c
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@ -26,11 +26,11 @@
#define old_mmap sys_old_mmap
#define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ;
#define __SYSCALL_I386(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ;
#include <asm/syscalls_32.h>
#undef __SYSCALL_I386
#define __SYSCALL_I386(nr, sym, qual) [ nr ] = sym,
#define __SYSCALL_I386(nr, sym) [ nr ] = sym,
extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);

4
arch/x86/um/sys_call_table_64.c
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@ -36,11 +36,11 @@
#define stub_execveat sys_execveat
#define stub_rt_sigreturn sys_rt_sigreturn
#define __SYSCALL_64(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ;
#define __SYSCALL_64(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ;
#include <asm/syscalls_64.h>
#undef __SYSCALL_64
#define __SYSCALL_64(nr, sym, qual) [ nr ] = sym,
#define __SYSCALL_64(nr, sym) [ nr ] = sym,
extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);