selftests: resctrl: cat_test.c: In function 'noncont_cat_run_test': ../kselftest.h:74:9: error: impossible constraint in 'asm' 74 | __asm__ __volatile__ ("cpuid\n\t"

[Naresh Kamboju]

The Linux next building selftests with gcc-13 found these build warnings
and errors.

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

Build log:
---------
Path:
selftests/resctrl/resctrl_tests/

In file included from resctrl.h:24,
                 from cat_test.c:11:
cat_test.c: In function 'noncont_cat_run_test':
./kselftest.h:74:9: error: impossible constraint in 'asm'
   74 |         __asm__ __volatile__ ("cpuid\n\t"
         \
      |         ^~~~~~~
cat_test.c:308:17: note: in expansion of macro '__cpuid_count'
  308 |                 __cpuid_count(0x10, 1, eax, ebx, ecx, edx);
      |                 ^~~~~~~~~~~~~
./kselftest.h:74:9: error: impossible constraint in 'asm'
   74 |         __asm__ __volatile__ ("cpuid\n\t"
         \
      |         ^~~~~~~
cat_test.c:310:17: note: in expansion of macro '__cpuid_count'
  310 |                 __cpuid_count(0x10, 2, eax, ebx, ecx, edx);
      |                 ^~~~~~~~~~~~~

Steps to reproduce:
---
tuxmake --runtime podman --target-arch arm64 --toolchain gcc-13 \
  --kconfig https://storage.tuxsuite.com/public/linaro/lkft/builds/2fDW3wG8BqWxf0afUI5f4wkArPi/config
\
  debugkernel dtbs dtbs-legacy headers kernel kselftest modules

Links:
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2fDW3wG8BqWxf0afUI5f4wkArPi/

--
Linaro LKFT
https://lkft.linaro.org