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authorJack Steiner <steiner@sgi.com>2005-08-11 17:28:00 (GMT)
committerTony Luck <tony.luck@intel.com>2005-08-17 22:31:53 (GMT)
commit68b9753f47953930cb94de0223c163f289399091 (patch)
treed30b9def802b154eef00c8e9fc1dc35ddf0631e6 /arch/ia64/sn/kernel/bte.c
parent7e95b9d6e21eda23bac1ff024d465d2072c8996d (diff)
downloadlinux-fsl-qoriq-68b9753f47953930cb94de0223c163f289399091.tar.xz
[IA64-SGI] - New SN hardware support - cpu_relax
Add a few missing calls to "hint @pause". Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/sn/kernel/bte.c')
-rw-r--r--arch/ia64/sn/kernel/bte.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/ia64/sn/kernel/bte.c b/arch/ia64/sn/kernel/bte.c
index 7adef841..b75814e 100644
--- a/arch/ia64/sn/kernel/bte.c
+++ b/arch/ia64/sn/kernel/bte.c
@@ -215,6 +215,7 @@ retry_bteop:
}
while ((transfer_stat = *bte->most_rcnt_na) == BTE_WORD_BUSY) {
+ cpu_relax();
if (ia64_get_itc() > itc_end) {
BTE_PRINTK(("BTE timeout nasid 0x%x bte%d IBLS = 0x%lx na 0x%lx\n",
NASID_GET(bte->bte_base_addr), bte->bte_num,