diff options
Diffstat (limited to 'sysdeps/x86/cpu-features.c')
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index 4288001cdd..76f053af80 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -20,6 +20,15 @@ #include <cpu-features.h> #include <dl-hwcap.h> +#if HAVE_TUNABLES +# define TUNABLE_NAMESPACE tune +# include <unistd.h> /* Get STDOUT_FILENO for _dl_printf. */ +# include <elf/dl-tunables.h> + +extern void TUNABLE_CALLBACK (set_ifunc) (tunable_val_t *) + attribute_hidden; +#endif + static void get_common_indeces (struct cpu_features *cpu_features, unsigned int *family, unsigned int *model, @@ -312,6 +321,16 @@ no_cpuid: cpu_features->model = model; cpu_features->kind = kind; +#if HAVE_TUNABLES + TUNABLE_GET (ifunc, tunable_val_t *, TUNABLE_CALLBACK (set_ifunc)); + cpu_features->non_temporal_threshold + = TUNABLE_GET (x86_non_temporal_threshold, long int, NULL); + cpu_features->data_cache_size + = TUNABLE_GET (x86_data_cache_size, long int, NULL); + cpu_features->shared_cache_size + = TUNABLE_GET (x86_shared_cache_size, long int, NULL); +#endif + /* Reuse dl_platform, dl_hwcap and dl_hwcap_mask for x86. */ GLRO(dl_platform) = NULL; GLRO(dl_hwcap) = 0; |