]> git.baikalelectronics.ru Git - kernel.git/commit
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)
commita4bbb1235b0095e16800feeb3cc18d1ba93e5f82
tree0937cf6de34f7cb04f87c1501a8d7af8cd1e27f8
parent605547700dcffd9e3bd565bb342bdfc9c1f2b4e4
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
arch/csky/kernel/process.c