From: <gregkh@linuxfoundation.org>
To: yuriy.kolerov@synopsys.com, vgupta@synopsys.com
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] ARCv2: intc: Use kflag if STATUS32.IE must be reset" failed to apply to 4.4-stable tree
Date: Thu, 20 Oct 2016 15:26:40 +0200 [thread overview]
Message-ID: <1476970000141179@kroah.com> (raw)
The patch below does not apply to the 4.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From bc0c7ece6191d89f435e4e4016f74167430c6c21 Mon Sep 17 00:00:00 2001
From: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
Date: Mon, 12 Sep 2016 18:55:03 +0300
Subject: [PATCH] ARCv2: intc: Use kflag if STATUS32.IE must be reset
In the end of "arc_init_IRQ" STATUS32.IE flag is going to be affected by
"flag" instruction but "flag" never touches IE flag on ARCv2. So "kflag"
instruction must be used instead of "flag".
Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
Cc: stable@vger.kernel.org #4.2+
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c
index 6c24faf48b16..62b59409a5d9 100644
--- a/arch/arc/kernel/intc-arcv2.c
+++ b/arch/arc/kernel/intc-arcv2.c
@@ -74,7 +74,7 @@ void arc_init_IRQ(void)
tmp = read_aux_reg(0xa);
tmp |= STATUS_AD_MASK | (irq_prio << 1);
tmp &= ~STATUS_IE_MASK;
- asm volatile("flag %0 \n"::"r"(tmp));
+ asm volatile("kflag %0 \n"::"r"(tmp));
}
static void arcv2_irq_mask(struct irq_data *data)
reply other threads:[~2016-10-20 13:26 UTC|newest]
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