From 072de836f53be56a70cecf70b43ae43b7ce17376 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 10:08:36 +0000
Subject: [PATCH] mk-rootfs.sh
---
kernel/arch/ia64/include/asm/spinlock.h | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/kernel/arch/ia64/include/asm/spinlock.h b/kernel/arch/ia64/include/asm/spinlock.h
index afd0b31..5f620e6 100644
--- a/kernel/arch/ia64/include/asm/spinlock.h
+++ b/kernel/arch/ia64/include/asm/spinlock.h
@@ -73,6 +73,8 @@
{
unsigned short *p = (unsigned short *)&lock->lock + 1, tmp;
+ /* This could be optimised with ARCH_HAS_MMIOWB */
+ mmiowb();
asm volatile ("ld2.bias %0=[%1]" : "=r"(tmp) : "r"(p));
WRITE_ONCE(*p, (tmp + 2) & ~1);
}
--
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