linux-kernel - [intel-tdx:kvm-upstream-workaround 207/314] include/x86_64/processor.h:761: warning: "__stringify

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Date:   Tue, 20 Sep 2022 06:30:48 +0800
From:   kernel test robot <lkp@...el.com>
To:     Erdem Aktas <erdemaktas@...gle.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Isaku Yamahata <isaku.yamahata@...el.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Peter Gonda <pgonda@...gle.com>, Marc Orr <marcorr@...gle.com>,
        Sagi Shahar <sagis@...gle.com>
Subject: [intel-tdx:kvm-upstream-workaround 207/314]
 include/x86_64/processor.h:761: warning: "__stringify_1" redefined

tree:   https://github.com/intel/tdx.git kvm-upstream-workaround
head:   552dd80c48f67ca01bcdd10667e0c11efd375177
commit: 31055e94daecbccb36f6f4bfde26a583b2790a51 [207/314] KVM: selftest: Add helper functions to create TDX VMs
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce:
        # https://github.com/intel/tdx/commit/31055e94daecbccb36f6f4bfde26a583b2790a51
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx kvm-upstream-workaround
        git checkout 31055e94daecbccb36f6f4bfde26a583b2790a51
        make O=/tmp/kselftest headers
        make O=/tmp/kselftest -C tools/testing/selftests

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

All error/warnings (new ones prefixed by >>):

   In file included from lib/kvm_util.c:11:
>> include/x86_64/processor.h:761: warning: "__stringify_1" redefined
     761 | #define __stringify_1(x) #x
         | 
   In file included from include/x86_64/processor.h:18,
                    from lib/kvm_util.c:11:
   ../../../../tools/include/linux/stringify.h:10: note: this is the location of the previous definition
      10 | #define __stringify_1(x...)     #x
         | 
   In file included from lib/kvm_util.c:11:
>> include/x86_64/processor.h:762: warning: "__stringify" redefined
     762 | #define __stringify(x)  __stringify_1(x)
         | 
   In file included from include/x86_64/processor.h:18,
                    from lib/kvm_util.c:11:
   ../../../../tools/include/linux/stringify.h:11: note: this is the location of the previous definition
      11 | #define __stringify(x...)       __stringify_1(x)
         | 
   lib/kvm_util.c: In function '____vm_create':
   lib/kvm_util.c:191:20: error: 'type' undeclared (first use in this function)
     191 |         vm->type = type;
         |                    ^~~~
   lib/kvm_util.c:191:20: note: each undeclared identifier is reported only once for each function it appears in
--
   In file included from lib/perf_test_util.c:9:
>> include/x86_64/processor.h:761: warning: "__stringify_1" redefined
     761 | #define __stringify_1(x) #x
         | 
   In file included from include/x86_64/processor.h:18,
                    from lib/perf_test_util.c:9:
   ../../../../tools/include/linux/stringify.h:10: note: this is the location of the previous definition
      10 | #define __stringify_1(x...)     #x
         | 
   In file included from lib/perf_test_util.c:9:
>> include/x86_64/processor.h:762: warning: "__stringify" redefined
     762 | #define __stringify(x)  __stringify_1(x)
         | 
   In file included from include/x86_64/processor.h:18,
                    from lib/perf_test_util.c:9:
   ../../../../tools/include/linux/stringify.h:11: note: this is the location of the previous definition
      11 | #define __stringify(x...)       __stringify_1(x)
         | 
--
   In file included from lib/x86_64/processor.c:10:
>> lib/x86_64/tdx.h:6:10: fatal error: ../kvm_util_internal.h: No such file or directory
       6 | #include "../kvm_util_internal.h"
         |          ^~~~~~~~~~~~~~~~~~~~~~~~
   compilation terminated.

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