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selftests broke upstream

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Hi,

The x86 selftests build broke upstream:

 triton:~/tip/tools/testing/selftests/x86> make
 Makefile:44: warning: overriding recipe for target 'clean'
 ../lib.mk:51: warning: ignoring old recipe for target 'clean'
 gcc -m32 -o /single_step_syscall_32 -O2 -g -std=gnu99 -pthread -Wall  
 single_step_syscall.c -lrt -ldl -lm
 /usr/bin/ld: cannot open output file /single_step_syscall_32: Permission denied
 collect2: error: ld returned 1 exit status
 Makefile:47: recipe for target '/single_step_syscall_32' failed
 make: *** [/single_step_syscall_32] Error 1

It used to be possible to build only the x86 testcases in that directory.

Another problem is that the pkeys testcases are still very noisy:

gcc -m64 -o /home/mingo/tip/tools/testing/selftests/x86/protection_keys_64 -O2 -g -std=gnu99 -pthread -Wall  protection_keys.c -lrt -ldl
In file included from protection_keys.c:45:0:
pkey-helpers.h: In function ‘sigsafe_printf’:
pkey-helpers.h:41:3: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result]
   write(1, dprint_in_signal_buffer, len);
   ^
protection_keys.c: In function ‘dumpit’:
protection_keys.c:407:3: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Wunused-result]
   write(1, buf, nr_read);
   ^
gcc -m64 -o /home/mingo/tip/tools/testing/selftests/x86/test_vdso_64 -O2 -g -std=gnu99 -pthread -Wall  test_vdso.c -lrt -ldl
test_vdso.c: In function ‘main’:
test_vdso.c:98:37: warning: ‘node’ may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (!ret_vsys && (cpu_vsys != cpu || node_vsys != node))
                                     ^
test_vdso.c:78:12: note: ‘node’ was declared here
   unsigned node;
            ^

I thought all this got already fixed?

Thanks,

	Ingo

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selftests broke upstream Ingo Molnar <mingo@kernel.org> - 2017-03-01 10:30 +0100
  Re: selftests broke upstream Shuah Khan <shuahkh@osg.samsung.com> - 2017-03-01 15:30 +0100
    Re: selftests broke upstream Shuah Khan <shuahkh@osg.samsung.com> - 2017-03-02 00:10 +0100

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