[tip:x86/entry 14/14] kernel/softirq.o: warning: objtool: do_softirq()+0xdb: return with modified stack frame

From: kernel test robot
Date: Sat Feb 13 2021 - 03:22:25 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/entry
head: 72f40a2823d6e16229ab58b898c6f22044e5222f
commit: 72f40a2823d6e16229ab58b898c6f22044e5222f [14/14] x86/softirq/64: Inline do_softirq_own_stack()
config: x86_64-randconfig-a012-20201005 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=72f40a2823d6e16229ab58b898c6f22044e5222f
git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
git fetch --no-tags tip x86/entry
git checkout 72f40a2823d6e16229ab58b898c6f22044e5222f
# save the attached .config to linux build tree
make W=1 ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> kernel/softirq.o: warning: objtool: do_softirq()+0xdb: return with modified stack frame

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Attachment: .config.gz
Description: application/gzip