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x86: Restore processing of cache size tunables in init_cacheinfo

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Fixes and partially reverts commit 59803e81f9
("x86: Optimizing memcpy for AMD Zen architecture.").
This commit is contained in:
Florian Weimer
2020-10-28 15:53:26 +01:00
parent 9538f6b95a
commit cb3a749a22
1 changed files with 4 additions and 8 deletions
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12
sysdeps/x86/cacheinfo.h
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@@ -354,11 +354,9 @@ init_cacheinfo (void)
}
}
/* Prefer cache size configure via tuning. */
if (cpu_features->data_cache_size != 0)
{
if (data == 0 || cpu_features->basic.kind != arch_kind_amd)
data = cpu_features->data_cache_size;
}
data = cpu_features->data_cache_size;
if (data > 0)
{
@@ -370,11 +368,9 @@ init_cacheinfo (void)
__x86_data_cache_size = data;
}
/* Prefer cache size configure via tuning. */
if (cpu_features->shared_cache_size != 0)
{
if (shared == 0 || cpu_features->basic.kind != arch_kind_amd)
shared = cpu_features->shared_cache_size;
}
shared = cpu_features->shared_cache_size;
if (shared > 0)
{