From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Mon, 13 May 2024 10:30:14 +0000 Subject: [PATCH] modify sin led gpio --- 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); } -- Gitblit v1.6.2