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ggml-amx : fix ggml_amx_init() on generic Linux #16049

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Merged
merged 1 commit into from
Sep 18, 2025
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ggml-amx : fix ggml_amx_init() on generic Linux #16049

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6 changes: 4 additions & 2 deletions ggml/src/ggml-cpu/amx/amx.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@
#include "ggml-cpu.h"
#include "traits.h"

#if defined(__gnu_linux__)
#if defined(__linux__)
#include <sys/syscall.h>
#include <unistd.h>
#endif
Expand Down Expand Up @@ -186,14 +186,16 @@ static size_t ggml_backend_amx_buffer_type_get_alloc_size(ggml_backend_buffer_ty
#define XFEATURE_XTILEDATA 18

static bool ggml_amx_init() {
#if defined(__gnu_linux__)
#if defined(__linux__)
if (syscall(SYS_arch_prctl, ARCH_REQ_XCOMP_PERM, XFEATURE_XTILEDATA)) {
fprintf(stderr, "AMX is not ready to be used!\n");
return false;
}
return true;
#elif defined(_WIN32)
return true;
#else
return false;
#endif
}

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