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local-cpuid-level2
author
GNU Libc Maintainers
<debian-glibc@lists.debian.org>
Sat, 17 Sep 2016 18:00:44 +0000
(18:00 +0000)
committer
Aurelien Jarno
<aurel32@debian.org>
Sat, 17 Sep 2016 18:00:44 +0000
(18:00 +0000)
Gbp-Pq: Topic i386
Gbp-Pq: Name local-cpuid-level2.diff
sysdeps/x86/cacheinfo.c
patch
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diff --git
a/sysdeps/x86/cacheinfo.c
b/sysdeps/x86/cacheinfo.c
index cf4f64b0d8e2a4ab7cc7a3d7c96e28b42c0dcb61..8217f35af31d810ee17d92f2208c3e13af5c5d83 100644
(file)
--- a/
sysdeps/x86/cacheinfo.c
+++ b/
sysdeps/x86/cacheinfo.c
@@
-259,7
+259,13
@@
intel_check_word (int name, unsigned int value, bool *has_level_2,
static long int __attribute__ ((noinline))
handle_intel (int name, unsigned int maxidx)
{
- assert (maxidx >= 2);
+ if (maxidx < 2)
+ {
+ /* This should never happen as all Intel i686 CPU support a CPUID
+ level of 2 minimum. However valgrind sometimes load the i686
+ library with a P55C CPUID. Return 0 in that case. */
+ return 0;
+ }
/* OK, we can use the CPUID instruction to get all info about the
caches. */