diff options
| author | Yi-wei Zhao <gbjc64@motorola.com> | 2016-09-25 18:35:14 -0500 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-12-18 17:53:38 +0100 |
| commit | 76848d1b0190a973e54cde8b7dab8af87b34f6f5 (patch) | |
| tree | fd9f708e55f24acffa6fe3ca5c5dd41bda4a2296 | |
| parent | 4990450de21a2978b112f5364cbed9d2559df5a9 (diff) | |
arch/arm64: skip randomization within stack
It's a WA to make 32-bit dhrystone generate consistent
scores during "sustained peformance mode" cts test.
Change-Id: Ib146224ff0701899640cbaba649227aba85534a0
Signed-off-by: Yi-wei Zhao <gbjc64@motorola.com>
Reviewed-on: https://gerrit.mot.com/902751
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver <sltawvr@motorola.com>
Tested-by: Jira Key <jirakey@motorola.com>
Reviewed-by: Igor Kovalenko <igork@motorola.com>
Submit-Approved: Jira Key <jirakey@motorola.com>
| -rw-r--r-- | arch/arm64/kernel/process.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index 5c59eadec..52f975a8a 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -517,8 +517,6 @@ unsigned long get_wchan(struct task_struct *p) unsigned long arch_align_stack(unsigned long sp) { - if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) - sp -= get_random_int() & ~PAGE_MASK; return sp & ~0xf; } |