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numactl-clearcache-pie.patch
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File numactl-clearcache-pie.patch of Package numactl
--- numactl-2.0.10.orig/clearcache.c +++ numactl-2.0.10/clearcache.c @@ -54,24 +54,5 @@ void fallback_clearcache(void) void clearcache(unsigned char *mem, unsigned size) { -#if defined(__i386__) || defined(__x86_64__) - unsigned i, cl, eax, feat; - /* get clflush unit and feature */ - asm("cpuid" : "=a" (eax), "=b" (cl), "=d" (feat) : "0" (1) : "cx"); - if (!(feat & (1 << 19))) - fallback_clearcache(); - cl = ((cl >> 8) & 0xff) * 8; - for (i = 0; i < size; i += cl) - asm("clflush %0" :: "m" (mem[i])); -#elif defined(__ia64__) - unsigned long cl, endcl; - // flush probable 128 byte cache lines (but possibly 64 bytes) - cl = (unsigned long)mem; - endcl = (unsigned long)(mem + (size-1)); - for (; cl <= endcl; cl += 64) - asm ("fc %0" :: "r"(cl) : "memory" ); -#else -#warning "Consider adding a clearcache implementation for your architecture" - fallback_clearcache(); -#endif + __builtin___clear_cache(mem, (mem + (size-1))); }
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