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csky: Fixup add zero_fp fixup perf backtrace panic
authorGuo Ren <ren_guo@c-sky.com>
Wed, 25 Sep 2019 11:56:16 +0000 (19:56 +0800)
committerGuo Ren <ren_guo@c-sky.com>
Mon, 30 Sep 2019 02:26:32 +0000 (10:26 +0800)
commit2562a3d6ec76bddc0dda8d2d008a78062d9d0acb
tree0937cf6de34f7cb04f87c1501a8d7af8cd1e27f8tree | snapshot
parentafad7bed922ac594e95732bf9e516bed3bae3b19commit | diff
csky: Fixup add zero_fp fixup perf backtrace panic

We need set fp zero to let backtrace know the end. The patch fixup perf
callchain panic problem, because backtrace didn't know what is the end
of fp.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Reported-by: Mao Han <han_mao@c-sky.com>
arch/csky/kernel/entry.S diff | blob | history
arch/csky/kernel/process.c diff | blob | history
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