kernel/signal.c:3119:35: error: 'current_pt_regs' undeclared

Hi Al,

FYI, kernel build failed on

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal.git master
head:   956761f1dcc9e6aa894da19b991a087e5ca10812
commit: e51df018265e482f41993d80c1635634340e59ea [55/67] arm: sigaltstack conversion
config: arm-at91_dt_defconfig

All related error/warning messages:

kernel/signal.c: In function 'sys_sigaltstack':
kernel/signal.c:3119:35: error: 'current_pt_regs' undeclared (first use in this function) kernel/signal.c:3119:35: note: each undeclared identifier is reported only once for each function it appears in kernel/signal.c:3120:1: warning: control reaches end of non-void function [-Wreturn-type]

vim +3119 kernel/signal.c
3113 return error;
3114 }
3115
3116 #ifdef __ARCH_WANT_SYS_SIGALTSTACK
3117 SYSCALL_DEFINE2(sigaltstack, const stack_t __user *, uss, stack_t *, uoss)
3118 {

3120 }
3121 #endif
3122

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0-DAY kernel build testing backend Open Source Technology Centre
Fengguang Wu, Yuanhan Liu Intel Corporation