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[AArch64] fix an issue with older /proc/cpuinfo layout

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There are two /proc/cpuinfo layots in use for AArch64: old and new.
The old one has all 'processor : n' lines in one section, hence
checking for duplications does not make sense.

Differential Revision: https://reviews.llvm.org/D41000

llvm-svn: 320593
This commit is contained in:
Paul Osmialowski 2017-12-13 16:12:24 +00:00
parent 4ac0b1e6e9
commit 7634f7093a
1 changed files with 8 additions and 0 deletions
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8
openmp/runtime/src/kmp_affinity.cpp
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@ -2028,7 +2028,15 @@ static int __kmp_affinity_create_cpuinfo_map(AddrUnsPair **address2os,
if ((p == NULL) || (KMP_SSCANF(p + 1, "%u\n", &val) != 1))
goto no_val;
if (threadInfo[num_avail][osIdIndex] != UINT_MAX)
#if KMP_ARCH_AARCH64
// Handle the old AArch64 /proc/cpuinfo layout differently,
// it contains all of the 'processor' entries listed in a
// single 'Processor' section, therefore the normal looking
// for duplicates in that section will always fail.
num_avail++;
#else
goto dup_field;
#endif
threadInfo[num_avail][osIdIndex] = val;
#if KMP_OS_LINUX && !(KMP_ARCH_X86 || KMP_ARCH_X86_64)
char path[256];