Hi Al,

There are new compile warnings show up in

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml.git for-linus-3.6-rc1
head:   b070989aeb47ccdfe56d95e046bd317baa47f4fa
commit: 1bfa2317b21750f739b59ab6df2c8efb12875045 [9/13] um: split syscall_trace(), pass pt_regs to it
config: um-defconfig (attached as .config)

All error/warnings:

arch/um/kernel/ptrace.c: In function 'syscall_trace_enter':
arch/um/kernel/ptrace.c:178:32: warning: ignoring return value of 'tracehook_report_syscall_entry', declared with attribute warn_unused_result [-Wunused-result]

vim +178 arch/um/kernel/ptrace.c
   175		if (!test_thread_flag(TIF_SYSCALL_TRACE))
   176			return;
   177	
 > 178		tracehook_report_syscall_entry(regs);
   179	}
   180	
   181	void syscall_trace_leave(struct pt_regs *regs)

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0-DAY kernel build testing backend         Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com>                     Intel Corporation