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Message-ID: <201510271450.ACAEI9jN%fengguang.wu@intel.com>
Date: Tue, 27 Oct 2015 14:20:36 +0800
From: kbuild test robot <lkp@...el.com>
To: Torsten Duwe <duwe@....de>
Cc: kbuild-all@...org, Steven Rostedt <rostedt@...dmis.org>,
Michael Ellerman <mpe@...erman.id.au>,
Jiri Kosina <jkosina@...e.cz>, linuxppc-dev@...ts.ozlabs.org,
linux-kernel@...r.kernel.org, live-patching@...r.kernel.org
Subject: Re: Re: [PATCH v3 0/8] ftrace with regs + live patching for ppc64 LE
(ABI v2)
Hi Torsten,
[auto build test ERROR on powerpc/next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
url: https://github.com/0day-ci/linux/commits/Torsten-Duwe/Re-PATCH-v3-0-8-ftrace-with-regs-live-patching-for-ppc64-LE-ABI-v2/20151027-020058
config: powerpc-ppc6xx_defconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=powerpc
All errors (new ones prefixed by >>):
kernel/built-in.o: In function `ftrace_get_addr_curr':
>> kernel/trace/ftrace.c:2286: undefined reference to `ftrace_regs_caller'
>> kernel/trace/ftrace.c:2286: undefined reference to `ftrace_regs_caller'
kernel/built-in.o: In function `ftrace_get_addr_new':
kernel/trace/ftrace.c:2254: undefined reference to `ftrace_regs_caller'
kernel/trace/ftrace.c:2254: undefined reference to `ftrace_regs_caller'
kernel/built-in.o: In function `__ftrace_replace_code':
>> kernel/trace/ftrace.c:2316: undefined reference to `ftrace_modify_call'
kernel/built-in.o: In function `ftrace_get_addr_curr':
>> kernel/trace/ftrace.c:2286: undefined reference to `ftrace_regs_caller'
>> kernel/trace/ftrace.c:2286: undefined reference to `ftrace_regs_caller'
kernel/built-in.o: In function `ftrace_get_addr_new':
kernel/trace/ftrace.c:2254: undefined reference to `ftrace_regs_caller'
kernel/trace/ftrace.c:2254: undefined reference to `ftrace_regs_caller'
kernel/built-in.o: In function `ftrace_get_addr_curr':
>> kernel/trace/ftrace.c:2286: undefined reference to `ftrace_regs_caller'
kernel/built-in.o:kernel/trace/ftrace.c:2286: more undefined references to `ftrace_regs_caller' follow
vim +2286 kernel/trace/ftrace.c
79922b80 Steven Rostedt (Red Hat 2014-05-06 2280) return (unsigned long)FTRACE_ADDR;
79922b80 Steven Rostedt (Red Hat 2014-05-06 2281) }
79922b80 Steven Rostedt (Red Hat 2014-05-06 2282) return ops->trampoline;
79922b80 Steven Rostedt (Red Hat 2014-05-06 2283) }
79922b80 Steven Rostedt (Red Hat 2014-05-06 2284)
7413af1f Steven Rostedt (Red Hat 2014-05-06 2285) if (rec->flags & FTRACE_FL_REGS_EN)
7413af1f Steven Rostedt (Red Hat 2014-05-06 @2286) return (unsigned long)FTRACE_REGS_ADDR;
7413af1f Steven Rostedt (Red Hat 2014-05-06 2287) else
7413af1f Steven Rostedt (Red Hat 2014-05-06 2288) return (unsigned long)FTRACE_ADDR;
7413af1f Steven Rostedt (Red Hat 2014-05-06 2289) }
7413af1f Steven Rostedt (Red Hat 2014-05-06 2290)
c88fd863 Steven Rostedt 2011-08-16 2291 static int
c88fd863 Steven Rostedt 2011-08-16 2292 __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
c88fd863 Steven Rostedt 2011-08-16 2293 {
08f6fba5 Steven Rostedt 2012-04-30 2294 unsigned long ftrace_old_addr;
c88fd863 Steven Rostedt 2011-08-16 2295 unsigned long ftrace_addr;
c88fd863 Steven Rostedt 2011-08-16 2296 int ret;
c88fd863 Steven Rostedt 2011-08-16 2297
7c0868e0 Steven Rostedt (Red Hat 2014-05-08 2298) ftrace_addr = ftrace_get_addr_new(rec);
c88fd863 Steven Rostedt 2011-08-16 2299
7c0868e0 Steven Rostedt (Red Hat 2014-05-08 2300) /* This needs to be done before we call ftrace_update_record */
7c0868e0 Steven Rostedt (Red Hat 2014-05-08 2301) ftrace_old_addr = ftrace_get_addr_curr(rec);
7c0868e0 Steven Rostedt (Red Hat 2014-05-08 2302)
7c0868e0 Steven Rostedt (Red Hat 2014-05-08 2303) ret = ftrace_update_record(rec, enable);
08f6fba5 Steven Rostedt 2012-04-30 2304
c88fd863 Steven Rostedt 2011-08-16 2305 switch (ret) {
c88fd863 Steven Rostedt 2011-08-16 2306 case FTRACE_UPDATE_IGNORE:
c88fd863 Steven Rostedt 2011-08-16 2307 return 0;
c88fd863 Steven Rostedt 2011-08-16 2308
c88fd863 Steven Rostedt 2011-08-16 2309 case FTRACE_UPDATE_MAKE_CALL:
c88fd863 Steven Rostedt 2011-08-16 2310 return ftrace_make_call(rec, ftrace_addr);
c88fd863 Steven Rostedt 2011-08-16 2311
c88fd863 Steven Rostedt 2011-08-16 2312 case FTRACE_UPDATE_MAKE_NOP:
39b5552c Steven Rostedt (Red Hat 2014-08-17 2313) return ftrace_make_nop(NULL, rec, ftrace_old_addr);
08f6fba5 Steven Rostedt 2012-04-30 2314
08f6fba5 Steven Rostedt 2012-04-30 2315 case FTRACE_UPDATE_MODIFY_CALL:
08f6fba5 Steven Rostedt 2012-04-30 @2316 return ftrace_modify_call(rec, ftrace_old_addr, ftrace_addr);
5072c59f Steven Rostedt 2008-05-12 2317 }
5072c59f Steven Rostedt 2008-05-12 2318
c88fd863 Steven Rostedt 2011-08-16 2319 return -1; /* unknow ftrace bug */
:::::: The code at line 2286 was first introduced by commit
:::::: 7413af1fb70e7efa6dbc7f27663e7a5126b3aa33 ftrace: Make get_ftrace_addr() and get_ftrace_addr_old() global
:::::: TO: Steven Rostedt (Red Hat) <rostedt@...dmis.org>
:::::: CC: Steven Rostedt <rostedt@...dmis.org>
---
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