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x86: cpu -- Show which exactly features are failing in fpu capability mode

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For easier understanding what is failed.

Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
This commit is contained in:
Cyrill Gorcunov 2018-06-14 20:27:30 +03:00 • committed by Andrei Vagin
parent 8597a718a9
commit 625fbb3f97
1 changed files with 6 additions and 1 deletions
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7
criu/arch/x86/cpu.c
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@ -250,7 +250,12 @@ static int cpu_validate_features(compel_cpuinfo_t *cpu_info)
__mismatch_fpu_bit(X86_FEATURE_OSXSAVE) ||
__mismatch_fpu_bit(X86_FEATURE_XSAVES)) {
pr_err("FPU feature required by image "
"is not supported on host.\n");
"is not supported on host "
"(fpu:%d fxsr:%d osxsave:%d xsaves:%d)\n",
__mismatch_fpu_bit(X86_FEATURE_FPU),
__mismatch_fpu_bit(X86_FEATURE_FXSR),
__mismatch_fpu_bit(X86_FEATURE_OSXSAVE),
__mismatch_fpu_bit(X86_FEATURE_XSAVES));
return -1;
} else
return 0;