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Re: CVS commit: src/sys/arch/amd64/amd64
On Mon, May 12, 2014 at 01:49:24PM +0000, Masao Uebayashi wrote:
> Module Name: src
> Committed By: uebayasi
> Date: Mon May 12 13:49:24 UTC 2014
> Modified Files:
> src/sys/arch/amd64/amd64: machdep.c
> Log Message:
> Don't reserve space (128) on signal stack for unknown reasons; the actual
> space for struct sigframe_siginfo (+ alignment) is allocated just below.
AMD64 uses a redzone, so the compiler can put up to 128 Bytes on the
stack without having to adjust RSP. Please revert immediately.
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