diff options
Diffstat (limited to 'arch/x86/entry/common.c')
| -rw-r--r-- | arch/x86/entry/common.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c index 9747876980b5..76735ec813e6 100644 --- a/arch/x86/entry/common.c +++ b/arch/x86/entry/common.c @@ -34,6 +34,7 @@ #include <asm/fpu/api.h> #include <asm/nospec-branch.h> #include <asm/io_bitmap.h> +#include <asm/syscall.h> #define CREATE_TRACE_POINTS #include <trace/events/syscalls.h> @@ -333,20 +334,7 @@ static __always_inline void do_syscall_32_irqs_on(struct pt_regs *regs) if (likely(nr < IA32_NR_syscalls)) { nr = array_index_nospec(nr, IA32_NR_syscalls); -#ifdef CONFIG_IA32_EMULATION regs->ax = ia32_sys_call_table[nr](regs); -#else - /* - * It's possible that a 32-bit syscall implementation - * takes a 64-bit parameter but nonetheless assumes that - * the high bits are zero. Make sure we zero-extend all - * of the args. - */ - regs->ax = ia32_sys_call_table[nr]( - (unsigned int)regs->bx, (unsigned int)regs->cx, - (unsigned int)regs->dx, (unsigned int)regs->si, - (unsigned int)regs->di, (unsigned int)regs->bp); -#endif /* CONFIG_IA32_EMULATION */ } syscall_return_slowpath(regs); @@ -438,3 +426,8 @@ __visible long do_fast_syscall_32(struct pt_regs *regs) #endif } #endif + +SYSCALL_DEFINE0(ni_syscall) +{ + return -ENOSYS; +} |