linux-kernel - drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:259:19: error: unused function 'rq

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Date:   Sun, 30 Aug 2020 19:49:42 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Nathan Chancellor <natechancellor@...il.com>
Subject: drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:259:19: error:
 unused function 'rq_prio'

Hi Nick,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   1127b219ce9481c84edad9711626d856127d5e51
commit: 9f4069b055d1508c833115df7493b6e0001e5c9b drm/i915: re-disable -Wframe-address
date:   4 months ago
config: x86_64-randconfig-r016-20200830 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c10e63677f5d20f18010f8f68c631ddc97546f7d)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        git checkout 9f4069b055d1508c833115df7493b6e0001e5c9b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:259:19: error: unused function 'rq_prio' [-Werror,-Wunused-function]
   static inline int rq_prio(const struct i915_request *rq)
                     ^
   1 error generated.
--
>> drivers/gpu/drm/i915/gvt/gtt.c:267:19: error: unused function 'get_pt_type' [-Werror,-Wunused-function]
   static inline int get_pt_type(int type)
                     ^
>> drivers/gpu/drm/i915/gvt/gtt.c:590:20: error: unused function 'ppgtt_set_guest_root_entry' [-Werror,-Wunused-function]
   static inline void ppgtt_set_guest_root_entry(struct intel_vgpu_mm *mm,
                      ^
   2 errors generated.

# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9f4069b055d1508c833115df7493b6e0001e5c9b
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 9f4069b055d1508c833115df7493b6e0001e5c9b
vim +/rq_prio +259 drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c

34ba5a80f249cd drivers/gpu/drm/i915/i915_guc_submission.c  Chris Wilson 2016-11-29  258  
22b7a426bbe1eb drivers/gpu/drm/i915/intel_guc_submission.c Chris Wilson 2019-06-20 @259  static inline int rq_prio(const struct i915_request *rq)
77f0d0e925e8a0 drivers/gpu/drm/i915/i915_guc_submission.c  Chris Wilson 2017-05-17  260  {
22b7a426bbe1eb drivers/gpu/drm/i915/intel_guc_submission.c Chris Wilson 2019-06-20  261  	return rq->sched.attr.priority | __NO_PREEMPTION;
77f0d0e925e8a0 drivers/gpu/drm/i915/i915_guc_submission.c  Chris Wilson 2017-05-17  262  }
77f0d0e925e8a0 drivers/gpu/drm/i915/i915_guc_submission.c  Chris Wilson 2017-05-17  263  

:::::: The code at line 259 was first introduced by commit
:::::: 22b7a426bbe1ebe1520f92da4cd1617d1e1b5fc4 drm/i915/execlists: Preempt-to-busy

:::::: TO: Chris Wilson <chris@...is-wilson.co.uk>
:::::: CC: Chris Wilson <chris@...is-wilson.co.uk>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (35542 bytes)