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H.J. Lu 1493622f4f x86: Check the lower byte of EAX of CPUID leaf 2 [BZ #30643] 
The old Intel software developer manual specified that the low byte of
EAX of CPUID leaf 2 returned 1 which indicated the number of rounds of
CPUDID leaf 2 was needed to retrieve the complete cache information. The
newer Intel manual has been changed to that it should always return 1
and be ignored.  If the lower byte isn't 1, CPUID leaf 2 can't be used.
In this case, we ignore CPUID leaf 2 and use CPUID leaf 4 instead.  If
CPUID leaf 4 doesn't contain the cache information, cache information
isn't available at all.  This addresses BZ #30643.
2023-08-29 12:57:41 -07:00
..
aarch64 configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
alpha Remove references to the defunct db2 subdir 2023-08-21 18:20:53 +02:00
arc configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
arm configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
csky configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
generic sparc: Fix la_symbind for bind-now (BZ 23734) 2023-07-12 15:29:08 -03:00
gnu configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
hppa configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
htl htl: move pthread_attr_setdetachstate into libc 2023-08-24 01:57:22 +02:00
hurd hurd: Fix using interposable hurd_thread_self 2023-05-19 20:45:51 +02:00
i386 i686: Fix build with --disable-multiarch 2023-08-10 10:29:29 -03:00
ia64 configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
ieee754 x86_64: Add log1p with FMA 2023-08-21 10:44:26 -07:00
loongarch LoongArch: Change loongarch to LoongArch in comments 2023-08-29 10:35:38 +08:00
m68k m68k: Use M68K_SCALE_AVAILABLE on __mpn_lshift and __mpn_rshift 2023-08-25 10:07:24 -03:00
mach htl: move pthread_attr_setdetachstate into libc 2023-08-24 01:57:22 +02:00
microblaze configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
mips MIPS: Update mips32 and mip64 libm test ulps 2023-07-25 22:20:57 +02:00
nios2 configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
nptl Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
or1k configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
posix hurd: readv: Get rid of alloca 2023-06-20 19:15:10 +02:00
powerpc powerpc longjmp: Fix build after chk hidden builtin fix 2023-08-04 10:03:59 +02:00
pthread Exclude routines from fortification 2023-07-05 16:59:48 +02:00
riscv riscv: Update rvd libm test ulps 2023-07-22 15:55:33 +02:00
s390 s390x: Fix static PIE condition for toolchain bootstrapping. 2023-08-18 10:57:59 +02:00
sh configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
sparc Remove references to the defunct db2 subdir 2023-08-21 18:20:53 +02:00
unix LoongArch: Micro-optimize LD_PCREL 2023-08-29 10:35:38 +08:00
wordsize-32 Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
wordsize-64 hurd: Fix tst-writev test 2023-05-01 13:01:30 +02:00
x86 x86: Check the lower byte of EAX of CPUID leaf 2 [BZ #30643] 2023-08-29 12:57:41 -07:00
x86_64 x86_64: Add log1p with FMA 2023-08-21 10:44:26 -07:00