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| author | Adhemerval Zanella Netto <adhemerval.zanella@linaro.org> | 2023-03-23 10:13:51 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2023-03-29 14:33:06 -0300 |
| commit | 33237fe83d553dff111915024c9670adc3f06048 (patch) | |
| tree | 610ddd2195dca3c3901cfcc74f76e4ab6eb6c0e7 /sysdeps/unix/sysv/linux/aarch64/cpu-features.c | |
| parent | 6384171fa0cef59b738ce8d0499fcea4f5009411 (diff) | |
| download | glibc-33237fe83d553dff111915024c9670adc3f06048.tar.gz glibc-33237fe83d553dff111915024c9670adc3f06048.tar.xz glibc-33237fe83d553dff111915024c9670adc3f06048.zip | |
Remove --enable-tunables configure option
And make always supported. The configure option was added on glibc 2.25 and some features require it (such as hwcap mask, huge pages support, and lock elisition tuning). It also simplifies the build permutations. Changes from v1: * Remove glibc.rtld.dynamic_sort changes, it is orthogonal and needs more discussion. * Cleanup more code. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'sysdeps/unix/sysv/linux/aarch64/cpu-features.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/aarch64/cpu-features.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/aarch64/cpu-features.c b/sysdeps/unix/sysv/linux/aarch64/cpu-features.c index 0380f116de..dc09c1c827 100644 --- a/sysdeps/unix/sysv/linux/aarch64/cpu-features.c +++ b/sysdeps/unix/sysv/linux/aarch64/cpu-features.c @@ -30,7 +30,6 @@ to see when pointer have been correctly tagged. */ #define MTE_ALLOWED_TAGS (0xfffe << PR_MTE_TAG_SHIFT) -#if HAVE_TUNABLES struct cpu_list { const char *name; @@ -59,19 +58,16 @@ get_midr_from_mcpu (const char *mcpu) return UINT64_MAX; } -#endif static inline void init_cpu_features (struct cpu_features *cpu_features) { register uint64_t midr = UINT64_MAX; -#if HAVE_TUNABLES /* Get the tunable override. */ const char *mcpu = TUNABLE_GET (glibc, cpu, name, const char *, NULL); if (mcpu != NULL) midr = get_midr_from_mcpu (mcpu); -#endif /* If there was no useful tunable override, query the MIDR if the kernel allows it. */ @@ -100,13 +96,11 @@ init_cpu_features (struct cpu_features *cpu_features) cpu_features->mte_state = 0; #ifdef USE_MTAG -# if HAVE_TUNABLES int mte_state = TUNABLE_GET (glibc, mem, tagging, unsigned, 0); cpu_features->mte_state = (GLRO (dl_hwcap2) & HWCAP2_MTE) ? mte_state : 0; /* If we lack the MTE feature, disable the tunable, since it will otherwise cause instructions that won't run on this CPU to be used. */ TUNABLE_SET (glibc, mem, tagging, cpu_features->mte_state); -# endif if (cpu_features->mte_state & 4) /* Enable choosing system-preferred faulting mode. */ |