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authorAnanth N Mavinakayanahalli <ananth@in.ibm.com>2012-08-23 21:27:09 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-09-05 15:19:36 +1000
commit41ab5266c3622354353433618edb92ab278025fa (patch)
tree5e1313a104ae877a174a88a2c93eb010f1bd5861 /tools
parent7118e7e648e0a902bf4f38c55a25fcff730f33d7 (diff)
downloadblackbird-op-linux-41ab5266c3622354353433618edb92ab278025fa.tar.gz
blackbird-op-linux-41ab5266c3622354353433618edb92ab278025fa.zip
powerpc: Add trap_nr to thread_struct
Add thread_struct.trap_nr and use it to store the last exception the thread experienced. In this patch, we populate the field at various places where we force_sig_info() to the process. This is also used in uprobes to determine if the probed instruction caused an exception. Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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