Messages in this thread | | | Date | Wed, 12 Feb 2014 11:39:28 +0000 | From | Al Viro <> | Subject | Re: 3.14-rc2 XFS backtrace because irqs_disabled. |
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On Tue, Feb 11, 2014 at 10:28:12PM -0800, Linus Torvalds wrote:
> It looks like just "do_signal()" has a stack frame that is about 230 > bytes even under normal circumstancs (largely due to "struct ksignal" > - which in turn is largely due to the insane 128-byte padding in > siginfo_t). Add a few other frames in there, and I guess that if it > was close before, the coredump path just makes it go off.
We could, in principle, put it into task_struct and make get_signal() return its address - do_signal() is called only in the code that does assorted returns to userland...
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