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authorBrian Gerst2020-03-13 15:51:36 -0400
committerThomas Gleixner2020-03-21 16:03:22 +0100
commitb5592e5c0d8682e0e82b42c91fd7265c3cce19e1 (patch)
treebdb64b2b436725b6a5ed4bd17c70f88e456ac3f6 /arch/x86/entry
parentd3b1b776eefcc1695d15730f37cdaab201fd8707 (diff)
x86/entry: Remove syscall qualifier support
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
Diffstat (limited to 'arch/x86/entry')
-rw-r--r--arch/x86/entry/syscall_32.c6
-rw-r--r--arch/x86/entry/syscall_64.c6
-rw-r--r--arch/x86/entry/syscall_x32.c6
-rw-r--r--arch/x86/entry/syscalls/syscalltbl.sh10
4 files changed, 10 insertions, 18 deletions
diff --git a/arch/x86/entry/syscall_32.c b/arch/x86/entry/syscall_32.c
index 3207cf685cde..9f4cab4a56d8 100644
--- a/arch/x86/entry/syscall_32.c
+++ b/arch/x86/entry/syscall_32.c
@@ -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] = {
/*
diff --git a/arch/x86/entry/syscall_64.c b/arch/x86/entry/syscall_64.c
index 5dc6846979df..bce4821a7e14 100644
--- a/arch/x86/entry/syscall_64.c
+++ b/arch/x86/entry/syscall_64.c
@@ -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] = {
/*
diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c
index 95abb6da0ecc..21e306c5a401 100644
--- a/arch/x86/entry/syscall_x32.c
+++ b/arch/x86/entry/syscall_x32.c
@@ -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] = {
/*
diff --git a/arch/x86/entry/syscalls/syscalltbl.sh b/arch/x86/entry/syscalls/syscalltbl.sh
index 1af2be39e7d9..b0519ddad8d7 100644
--- a/arch/x86/entry/syscalls/syscalltbl.sh
+++ b/arch/x86/entry/syscalls/syscalltbl.sh
@@ -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() {