On Fri, Sep 21, 2012 at 03:19:26PM +0800, Fengguang Wu wrote:
> Hi Al,
>
> FYI, kernel build failed on
>
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal.git master
> head: 1320d2cc9be60744e2e0bbb73f8e2653a77bf59c
> commit: 1320d2cc9be60744e2e0bbb73f8e2653a77bf59c [94/94] mips: sigaltstack conversion
> config: mips-allnoconfig
>
> All related error/warning messages:
>
> kernel/signal.c: In function 'sys_sigaltstack':
> kernel/signal.c:3119:35: error: expected identifier before '(' token
> kernel/signal.c:3120:1: warning: control reaches end of non-void function [-Wreturn-type]
D'oh... broken user_stack_pointer() definition -
#define foo(regs) ((regs)->regs[something])
is a bad idea... Fixed.
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