25 lines
906 B
Diff
25 lines
906 B
Diff
commit 2be36448c46e9ef712e5f3d5381f38bf3138efdf
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Fri Aug 2 15:22:14 2024 +0200
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x86: Tunables may incorrectly set Prefer_PMINUB_for_stringop (bug 32047)
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Fixes commit 5bcf6265f215326d14dfacdce8532792c2c7f8f8 ("x86:
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Disable non-temporal memset on Skylake Server").
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Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
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(cherry picked from commit 7a630f7d3392ca391a399486ce2846f9e4b4ee63)
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diff --git a/sysdeps/x86/cpu-tunables.c b/sysdeps/x86/cpu-tunables.c
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index a71772c9c07d01d7..a0b31d80f64127c5 100644
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--- a/sysdeps/x86/cpu-tunables.c
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+++ b/sysdeps/x86/cpu-tunables.c
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@@ -250,6 +250,7 @@ TUNABLE_CALLBACK (set_hwcaps) (tunable_val_t *valp)
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CHECK_GLIBC_IFUNC_PREFERRED_BOTH (n, cpu_features,
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Avoid_Non_Temporal_Memset, 25);
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}
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+ break;
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case 26:
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{
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CHECK_GLIBC_IFUNC_PREFERRED_NEED_BOTH
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