From 8022a2a8c0620ce5202867b86164aaad2f5da736 Mon Sep 17 00:00:00 2001
From: Masamichi Takagi <masamichi.takagi@riken.jp>
Date: Mon, 15 Jun 2020 13:09:07 +0900
Subject: [PATCH] treat libfj90 as helper thread spawner (Fugaku specific)

Change-Id: I1f6170c7ebbfae4f575f13ac1f3106d292cd5b6a
---
 kernel/syscall.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/syscall.c b/kernel/syscall.c
index cb4bd60f..b1c28740 100644
--- a/kernel/syscall.c
+++ b/kernel/syscall.c
@@ -2844,7 +2844,8 @@ unsigned long do_fork(int clone_flags, unsigned long newsp,
 		ihk_rwspinlock_read_unlock_noirq(&old->vm->memory_range_lock);
 
 		if (range && range->memobj && range->memobj->path) {
-			if (!strstr(range->memobj->path, "omp.so")) {
+			if (!strstr(range->memobj->path, "omp.so") &&
+					!strstr(range->memobj->path, "libfj90")) {
 				helper_thread = 1;
 			}
 			dkprintf("clone(): %s thread from %s\n",