diff options
| author | H.J. Lu <hjl.tools@gmail.com> | 2021-12-10 13:00:09 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2021-12-10 14:01:34 -0800 |
| commit | ea5814467a02c9d2d7608b6445c5d60e2a81d3ee (patch) | |
| tree | b4f4894ae2fb8781f862940484b84bdf059d2678 /sysdeps/x86 | |
| parent | f1eeef945d49c72eb13654bd30b5904e89b4626f (diff) | |
| download | glibc-ea5814467a02c9d2d7608b6445c5d60e2a81d3ee.tar.gz glibc-ea5814467a02c9d2d7608b6445c5d60e2a81d3ee.tar.xz glibc-ea5814467a02c9d2d7608b6445c5d60e2a81d3ee.zip | |
x86-64: Remove LD_PREFER_MAP_32BIT_EXEC support [BZ #28656]
Remove the LD_PREFER_MAP_32BIT_EXEC environment variable support since the first PT_LOAD segment is no longer executable due to defaulting to -z separate-code. This fixes [BZ #28656]. Reviewed-by: Florian Weimer <fweimer@redhat.com>
Diffstat (limited to 'sysdeps/x86')
| -rw-r--r-- | sysdeps/x86/cpu-tunables.c | 7 | ||||
| -rw-r--r-- | sysdeps/x86/include/cpu-features-preferred_feature_index_1.def | 1 |
2 files changed, 0 insertions, 8 deletions
diff --git a/sysdeps/x86/cpu-tunables.c b/sysdeps/x86/cpu-tunables.c index 61b05e5b1d..957db3ad22 100644 --- a/sysdeps/x86/cpu-tunables.c +++ b/sysdeps/x86/cpu-tunables.c @@ -258,13 +258,6 @@ TUNABLE_CALLBACK (set_hwcaps) (tunable_val_t *valp) 20); } break; - case 21: - { - CHECK_GLIBC_IFUNC_PREFERRED_BOTH (n, cpu_features, - Prefer_MAP_32BIT_EXEC, - disable, 21); - } - break; case 23: { CHECK_GLIBC_IFUNC_PREFERRED_NEED_BOTH diff --git a/sysdeps/x86/include/cpu-features-preferred_feature_index_1.def b/sysdeps/x86/include/cpu-features-preferred_feature_index_1.def index 1530d594b3..8250bfcbec 100644 --- a/sysdeps/x86/include/cpu-features-preferred_feature_index_1.def +++ b/sysdeps/x86/include/cpu-features-preferred_feature_index_1.def @@ -26,7 +26,6 @@ BIT (I586) BIT (I686) BIT (Slow_SSE4_2) BIT (AVX_Fast_Unaligned_Load) -BIT (Prefer_MAP_32BIT_EXEC) BIT (Prefer_No_VZEROUPPER) BIT (Prefer_ERMS) BIT (Prefer_No_AVX512) |