linux-kernel - [PATCH 3.16.y-ckt 067/180] MIPS: Loongson-3: Add IRQF_NO

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu,  7 May 2015 10:44:36 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Huacai Chen <chenhc@...ote.com>,
	"Steven J. Hill" <Steven.Hill@...tec.com>,
	linux-mips@...ux-mips.org, Fuxin Zhang <zhangfx@...ote.com>,
	Zhangjin Wu <wuzhangjin@...il.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 067/180] MIPS: Loongson-3: Add IRQF_NO_SUSPEND to Cascade irqaction

3.16.7-ckt11 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Huacai Chen <chenhc@...ote.com>

commit 0add9c2f1cff9f3f1f2eb7e9babefa872a9d14b9 upstream.

HPET irq is routed to i8259 and then to MIPS CPU irq (cascade). After
commit a3e6c1eff5 (MIPS: IRQ: Fix disable_irq on CPU IRQs), if without
IRQF_NO_SUSPEND in cascade_irqaction, HPET interrupts will lost during
suspend. The result is machine cannot be waken up.

Signed-off-by: Huacai Chen <chenhc@...ote.com>
Cc: Steven J. Hill <Steven.Hill@...tec.com>
Cc: linux-mips@...ux-mips.org
Cc: Fuxin Zhang <zhangfx@...ote.com>
Cc: Zhangjin Wu <wuzhangjin@...il.com>
Patchwork: https://patchwork.linux-mips.org/patch/9528/
Signed-off-by: Ralf Baechle <ralf@...ux-mips.org>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 arch/mips/loongson/loongson-3/irq.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/loongson/loongson-3/irq.c b/arch/mips/loongson/loongson-3/irq.c
index f240828181ff..f2077f201a2a 100644
--- a/arch/mips/loongson/loongson-3/irq.c
+++ b/arch/mips/loongson/loongson-3/irq.c
@@ -42,6 +42,7 @@ void mach_irq_dispatch(unsigned int pending)
 
 static struct irqaction cascade_irqaction = {
 	.handler = no_action,
+	.flags = IRQF_NO_SUSPEND,
 	.name = "cascade",
 };
 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/