x86: fix ptrace.o compile error Fix compiling Linux 2.6.32.59 with gcc 4.7.1 (Debian 7 testing). Mainline has instead removed the "asmregparm" in ptrace.c (in fact, everywhere), but this alternative seemed too invasive.
CC arch/x86/kernel/ptrace.o arch/x86/kernel/ptrace.c:1472:17: error: conflicting types for 'syscall_trace_enter' In file included from /usr/src/linux-2.6.32/arch/x86/include/asm/vm86.h:130:0, from /usr/src/linux-2.6.32/arch/x86/include/asm/processor.h:10, from /usr/src/linux-2.6.32/arch/x86/include/asm/thread_info.h:22, from include/linux/thread_info.h:56, from include/linux/preempt.h:9, from include/linux/spinlock.h:50, from include/linux/seqlock.h:29, from include/linux/time.h:8, from include/linux/timex.h:56, from include/linux/sched.h:56, from arch/x86/kernel/ptrace.c:11: /usr/src/linux-2.6.32/arch/x86/include/asm/ptrace.h:145:13: note: previous declaration of 'syscall_trace_enter' was here arch/x86/kernel/ptrace.c:1517:17: error: conflicting types for 'syscall_trace_leave' In file included from /usr/src/linux-2.6.32/arch/x86/include/asm/vm86.h:130:0, from /usr/src/linux-2.6.32/arch/x86/include/asm/processor.h:10, from /usr/src/linux-2.6.32/arch/x86/include/asm/thread_info.h:22, from include/linux/thread_info.h:56, from include/linux/preempt.h:9, from include/linux/spinlock.h:50, from include/linux/seqlock.h:29, from include/linux/time.h:8, from include/linux/timex.h:56, from include/linux/sched.h:56, from arch/x86/kernel/ptrace.c:11: /usr/src/linux-2.6.32/arch/x86/include/asm/ptrace.h:146:13: note: previous declaration of 'syscall_trace_leave' was here make[2]: *** [arch/x86/kernel/ptrace.o] Error 1 make[1]: *** [arch/x86/kernel] Error 2 make: *** [arch/x86] Error 2 Signed-off-by: Jens Rottmann <jrottm...@lippertembedded.de> --- --- linux-2.6.32.59/arch/x86/include/asm/ptrace.h +++ fix_ptrace.o_compile_error/arch/x86/include/asm/ptrace.h @@ -130,6 +130,7 @@ #ifdef __KERNEL__ #include <linux/init.h> +#include <linux/linkage.h> struct cpuinfo_x86; struct task_struct; @@ -142,8 +143,8 @@ int error_code, int si_code); void signal_fault(struct pt_regs *regs, void __user *frame, char *where); -extern long syscall_trace_enter(struct pt_regs *); -extern void syscall_trace_leave(struct pt_regs *); +extern asmregparm long syscall_trace_enter(struct pt_regs *); +extern asmregparm void syscall_trace_leave(struct pt_regs *); static inline unsigned long regs_return_value(struct pt_regs *regs) { _ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/