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(parent: 6403105) | patch
powerpc/tracing: TRACE_WITH_FRAME_BUFFER creates invalid stack frames
authorAnton Blanchard <anton@samba.org>
Mon, 10 Mar 2014 01:51:58 +0000 (12:51 +1100)
committerAnton Blanchard <anton@samba.org>
Wed, 23 Apr 2014 00:05:25 +0000 (10:05 +1000)
commitd51959d70ffc55d1c829e881a6121e6fbbfb29af
treebfecc1c5d6272d549d66fb25113770d79602adebtree | snapshot (tar.gz zip)
parent6403105bfda4d6934b39aeb85ff818b185b42de8commit | diff
powerpc/tracing: TRACE_WITH_FRAME_BUFFER creates invalid stack frames

TRACE_WITH_FRAME_BUFFER creates 32 byte stack frames. On ppc64
ABIv1 this is too small and a callee could corrupt the stack by
writing to the parameter save area (starting at offset 48).

Signed-off-by: Anton Blanchard <anton@samba.org>
arch/powerpc/include/asm/irqflags.h diff | blob | blame | history