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authorBrian Gerst <brgerst@gmail.com>2020-03-13 15:51:34 -0400
committerThomas Gleixner <tglx@linutronix.de>2020-03-21 16:03:21 +0100
commit0872098804b5f44bab91f80b6df55df32894fee3 (patch)
tree1cfe6e6c1d6a4d5c9c083b288780af56364ca0bb /arch/x86/kernel/asm-offsets_64.c
parent2e487c357917b98adc6a6dafa612c435cad1af41 (diff)
x86/entry: Move max syscall number calculation to syscallhdr.sh
Instead of using an array in asm-offsets to calculate the max syscall number, calculate it when writing out the syscall headers. Signed-off-by: Brian Gerst <brgerst@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20200313195144.164260-9-brgerst@gmail.com
Diffstat (limited to 'arch/x86/kernel/asm-offsets_64.c')
-rw-r--r--arch/x86/kernel/asm-offsets_64.c36
1 files changed, 0 insertions, 36 deletions
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index 24d2fde30d00..c2a47016f243 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -5,30 +5,6 @@
#include <asm/ia32.h>
-#define __SYSCALL_64(nr, sym, qual) [nr] = 1,
-#define __SYSCALL_X32(nr, sym, qual)
-static char syscalls_64[] = {
-#include <asm/syscalls_64.h>
-};
-#undef __SYSCALL_64
-#undef __SYSCALL_X32
-
-#ifdef CONFIG_X86_X32_ABI
-#define __SYSCALL_64(nr, sym, qual)
-#define __SYSCALL_X32(nr, sym, qual) [nr] = 1,
-static char syscalls_x32[] = {
-#include <asm/syscalls_64.h>
-};
-#undef __SYSCALL_64
-#undef __SYSCALL_X32
-#endif
-
-#define __SYSCALL_I386(nr, sym, qual) [nr] = 1,
-static char syscalls_ia32[] = {
-#include <asm/syscalls_32.h>
-};
-#undef __SYSCALL_I386
-
#if defined(CONFIG_KVM_GUEST) && defined(CONFIG_PARAVIRT_SPINLOCKS)
#include <asm/kvm_para.h>
#endif
@@ -90,17 +66,5 @@ int main(void)
DEFINE(stack_canary_offset, offsetof(struct fixed_percpu_data, stack_canary));
BLANK();
#endif
-
- DEFINE(__NR_syscall_max, sizeof(syscalls_64) - 1);
- DEFINE(NR_syscalls, sizeof(syscalls_64));
-
-#ifdef CONFIG_X86_X32_ABI
- DEFINE(__NR_syscall_x32_max, sizeof(syscalls_x32) - 1);
- DEFINE(X32_NR_syscalls, sizeof(syscalls_x32));
-#endif
-
- DEFINE(__NR_syscall_compat_max, sizeof(syscalls_ia32) - 1);
- DEFINE(IA32_NR_syscalls, sizeof(syscalls_ia32));
-
return 0;
}