Low: glibc security, bug fix, and enhancement update (Oracle Linux 8)

[2.28-101.0.1]
- add Ampere emag to tunable cpu list (Patrick McGehearty)
- add optimized memset for emag
- add an ASIMD variant of strlen for falkor
- Orabug: 2700101.
- Modify glibc-ora28849085.patch so it works with RHCK kernels.
- Orabug: 28849085.
- Make _IO_funlockfile match __funlockfile and _IO_flockfile match __flockfile
- Both should test
- if (stream->_flags & _IO_USER_LOCK) == 0)
- _IO_lock_lock (*stream->_lock);
- OraBug: 28481550.
Reviewed-by: Qing Zhao <qing.zhao@oracle.com>

[2.28-101]
- ld.so: Reset GL (dl_initfirst) pointer on dlopen failure (#1410154)

[2.28-100]
- Roll back dynamic linker state on dlopen failure (#1410154)

[2.28-99]
- s390x: Fix z15 strstr for patterns crossing pages (#1777241)

[2.28-98]
- Rebuild with new rpm (#1654901)

[2.28-97]
- Avoid invalid __has_include in <sys/stat.h> (#1775294)

[2.28-96]
- x86-64: Ignore LD_PREFER_MAP_32BIT_EXEC in SUID binaries (#1774021)

[2.28-95]
- Fix alignment of TLS variables for tls variant TLS_TCB_AT_TP (#1764214)

[2.28-94]
- Refuse to dlopen PIE objects (#1764223)

[2.28-93]
- Fix C.UTF-8 locale source ellipsis expressions (#1361965)

[2.28-92]
- Fix hangs during malloc tracing (#1764235)

[2.28-91]
- Support moving versioned symbols between sonames (#1764231)

[2.28-90]
- Avoid creating stale utmp entries for repeated pututxline (#1749439)

[2.28-89]
- Backport more precise tokenizer for installed headers test (#1769304)

[2.28-88]
- math: Enable some math builtins for clang in LLVM Toolset (#1764242)

[2.28-87]
- Support Fortran vectorized math functions with GCC Toolset 9 (#1764238)

[2.28-86]
- aarch64: Support STO_AARCH64_VARIANT_PCS, DT_AARCH64_VARIANT_PCS (#1726638)

[2.28-85]
- Add more test-in-container support (#1747502)

[2.28-84]
- Fix calling getpwent after endpwent (#1747502)

[2.28-83]
- nptl: Avoid fork handler lock for async-signal-safe fork (#1746928)

[2.28-82]
- Call _dl_open_check after relocation (#1682954)

[2.28-81]
- Add malloc fastbin tunable (#1764218)

[2.28-80]
- Fix race condition in tst-clone3 and add a new ldconfig test,
tst-ldconfig-bad-aux-cache (#1764226)

[2.28-79]
- Remove unwanted whitespace from size lines and account for top chunk in
malloc_info output (#1735747)

[2.28-78]
- Enhance malloc tcache (#1746933)

[2.28-77]
- Dont define initgroups in nsswitch.conf (#1747505)

[2.28-76]
- libio: Remove codecvt vtable. (#1764241)

[2.28-75]
- Implement --preload option for the dynamic linker.(#1747453)

[2.28-74]
- Make nsswitch.conf more distribution friendly.
Improve nscd.conf comments. (#1747505)

[2.28-73]
- Update system call names list to Linux 5.3 (#1764234)