[Bug libc/31298] New: Missing sysconf (_SC_LEVEL1_ICACHE_ASSOC) value

[Bug libc/31298] New: Missing sysconf (_SC_LEVEL1_ICACHE_ASSOC) value

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=31298

            Bug ID: 31298
           Summary: Missing sysconf (_SC_LEVEL1_ICACHE_ASSOC) value
           Product: glibc
           Version: 2.33
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: fweimer at redhat dot com
                CC: drepper.fsp at gmail dot com
  Target Milestone: ---
            Target: x86

After this commit

commit 2d651eb9265d1366d7b9e881bfddd46db9c1ecc4
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Sep 18 07:55:14 2020 -0700

    x86: Move x86 processor cache info to cpu_features

    1. Move x86 processor cache info to _dl_x86_cpu_features in ld.so.
    2. Update tunable bounds with TUNABLE_SET_WITH_BOUNDS.
    3. Move x86 cache info initialization to dl-cacheinfo.h and initialize
    x86 cache info in init_cpu_features ().
    4. Put x86 cache info for libc in cacheinfo.h, which is included in
    libc-start.c in libc.a and is included in cacheinfo.c in libc.so.

    Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

the __cache_sysconf no longer forwards requests to handle_intel, handle_amd,
handle_zhaoxin. Instead, it returns a value from a precomputed set.
_SC_LEVEL1_ICACHE_ASSOC is no longer covered, so we no longer have the
capability to return that information from handle_amd.

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