89092c61b
Denys Vlasenko
2022-01-07
Subject
powertop: fix cpuid asm: ebx saving/restoring is properly done by gcc
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procps/powertop.c+1 -4
| @@ -506,12 +506,9 @@ static void cpuid(unsigned int *eax, unsigned int *ebx, unsigned int *ecx, | |
| { | |
| /* EAX value specifies what information to return */ | |
| asm ( | |
| - | " pushl %%ebx\n" /* Save EBX */ |
| " cpuid\n" | |
| - | " movl %%ebx, %1\n" /* Save content of EBX */ |
| - | " popl %%ebx\n" /* Restore EBX */ |
| : "=a"(*eax), /* Output */ | |
| - | "=r"(*ebx), |
| + | "=b"(*ebx), |
| "=c"(*ecx), | |
| "=d"(*edx) | |
| : "0"(*eax), /* Input */ | |