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uti: Workaround not to share CPU with OpenMP threads

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* Assign uti thread to the last idle CPU so that it's not shared with
  an OpenMP thread

Change-Id: Ia42cae056ce81fde9b6dab6286b39a52f3c9e172
This commit is contained in:
Masamichi Takagi
2018-09-03 18:08:03 +09:00
parent dbba7dea18
commit 5cb8a1f10f
8 changed files with 34 additions and 14 deletions
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arch/arm64/kernel/syscall.c
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@@ -58,7 +58,7 @@ static int cpuid_head = 1;
extern int num_processors;
int obtain_clone_cpuid(cpu_set_t *cpu_set) {
int obtain_clone_cpuid(cpu_set_t *cpu_set, int use_last) {
int min_queue_len = -1;
int i, min_cpu = -1;