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From: "Alex Bennée" <alex.bennee@linaro.org>
To: qemu-devel@nongnu.org
Cc: kvm@vger.kernel.org, marc.zyngier@arm.com,
	linux-arm-kernel@lists.infradead.org,
	kvmarm@lists.cs.columbia.edu
Subject: [PATCH 2/6] arm_gic_kvm.c: restore config before pending IRQs
Date: Wed, 25 Feb 2015 16:02:34 +0000	[thread overview]
Message-ID: <1424880159-29348-3-git-send-email-alex.bennee@linaro.org> (raw)
In-Reply-To: <1424880159-29348-1-git-send-email-alex.bennee@linaro.org>

As there is logic to deal with the difference between edge and level
triggered interrupts in the kernel we must ensure it knows the
configuration of the IRQs before we restore the pending state.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c
index 1ad3eb0..2f21ae7 100644
--- a/hw/intc/arm_gic_kvm.c
+++ b/hw/intc/arm_gic_kvm.c
@@ -370,6 +370,11 @@ static void kvm_arm_gic_put(GICState *s)
      * the appropriate CPU interfaces in the kernel) */
     kvm_dist_put(s, 0x800, 8, s->num_irq, translate_targets);
 
+    /* irq_state[n].trigger -> GICD_ICFGRn
+     * (restore targets before pending IRQs so we treat level/edge
+     * correctly */
+    kvm_dist_put(s, 0xc00, 2, s->num_irq, translate_trigger);
+
     /* irq_state[n].pending + irq_state[n].level -> GICD_ISPENDRn */
     kvm_dist_put(s, 0x280, 1, s->num_irq, translate_clear);
     kvm_dist_put(s, 0x200, 1, s->num_irq, translate_pending);
@@ -378,8 +383,6 @@ static void kvm_arm_gic_put(GICState *s)
     kvm_dist_put(s, 0x380, 1, s->num_irq, translate_clear);
     kvm_dist_put(s, 0x300, 1, s->num_irq, translate_active);
 
-    /* irq_state[n].trigger -> GICD_ICFRn */
-    kvm_dist_put(s, 0xc00, 2, s->num_irq, translate_trigger);
 
     /* s->priorityX[irq] -> ICD_IPRIORITYRn */
     kvm_dist_put(s, 0x400, 8, s->num_irq, translate_priority);
-- 
2.3.0

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WARNING: multiple messages have this Message-ID (diff)
From: "Alex Bennée" <alex.bennee@linaro.org>
To: qemu-devel@nongnu.org
Cc: kvm@vger.kernel.org, marc.zyngier@arm.com,
	linux-arm-kernel@lists.infradead.org,
	"Alex Bennée" <alex.bennee@linaro.org>,
	kvmarm@lists.cs.columbia.edu, christoffer.dall@linaro.org
Subject: [Qemu-devel] [PATCH 2/6] arm_gic_kvm.c: restore config before pending IRQs
Date: Wed, 25 Feb 2015 16:02:34 +0000	[thread overview]
Message-ID: <1424880159-29348-3-git-send-email-alex.bennee@linaro.org> (raw)
In-Reply-To: <1424880159-29348-1-git-send-email-alex.bennee@linaro.org>

As there is logic to deal with the difference between edge and level
triggered interrupts in the kernel we must ensure it knows the
configuration of the IRQs before we restore the pending state.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c
index 1ad3eb0..2f21ae7 100644
--- a/hw/intc/arm_gic_kvm.c
+++ b/hw/intc/arm_gic_kvm.c
@@ -370,6 +370,11 @@ static void kvm_arm_gic_put(GICState *s)
      * the appropriate CPU interfaces in the kernel) */
     kvm_dist_put(s, 0x800, 8, s->num_irq, translate_targets);
 
+    /* irq_state[n].trigger -> GICD_ICFGRn
+     * (restore targets before pending IRQs so we treat level/edge
+     * correctly */
+    kvm_dist_put(s, 0xc00, 2, s->num_irq, translate_trigger);
+
     /* irq_state[n].pending + irq_state[n].level -> GICD_ISPENDRn */
     kvm_dist_put(s, 0x280, 1, s->num_irq, translate_clear);
     kvm_dist_put(s, 0x200, 1, s->num_irq, translate_pending);
@@ -378,8 +383,6 @@ static void kvm_arm_gic_put(GICState *s)
     kvm_dist_put(s, 0x380, 1, s->num_irq, translate_clear);
     kvm_dist_put(s, 0x300, 1, s->num_irq, translate_active);
 
-    /* irq_state[n].trigger -> GICD_ICFRn */
-    kvm_dist_put(s, 0xc00, 2, s->num_irq, translate_trigger);
 
     /* s->priorityX[irq] -> ICD_IPRIORITYRn */
     kvm_dist_put(s, 0x400, 8, s->num_irq, translate_priority);
-- 
2.3.0

WARNING: multiple messages have this Message-ID (diff)
From: alex.bennee@linaro.org (Alex Bennée)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/6] arm_gic_kvm.c: restore config before pending IRQs
Date: Wed, 25 Feb 2015 16:02:34 +0000	[thread overview]
Message-ID: <1424880159-29348-3-git-send-email-alex.bennee@linaro.org> (raw)
In-Reply-To: <1424880159-29348-1-git-send-email-alex.bennee@linaro.org>

As there is logic to deal with the difference between edge and level
triggered interrupts in the kernel we must ensure it knows the
configuration of the IRQs before we restore the pending state.

Signed-off-by: Alex Benn?e <alex.bennee@linaro.org>

diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c
index 1ad3eb0..2f21ae7 100644
--- a/hw/intc/arm_gic_kvm.c
+++ b/hw/intc/arm_gic_kvm.c
@@ -370,6 +370,11 @@ static void kvm_arm_gic_put(GICState *s)
      * the appropriate CPU interfaces in the kernel) */
     kvm_dist_put(s, 0x800, 8, s->num_irq, translate_targets);
 
+    /* irq_state[n].trigger -> GICD_ICFGRn
+     * (restore targets before pending IRQs so we treat level/edge
+     * correctly */
+    kvm_dist_put(s, 0xc00, 2, s->num_irq, translate_trigger);
+
     /* irq_state[n].pending + irq_state[n].level -> GICD_ISPENDRn */
     kvm_dist_put(s, 0x280, 1, s->num_irq, translate_clear);
     kvm_dist_put(s, 0x200, 1, s->num_irq, translate_pending);
@@ -378,8 +383,6 @@ static void kvm_arm_gic_put(GICState *s)
     kvm_dist_put(s, 0x380, 1, s->num_irq, translate_clear);
     kvm_dist_put(s, 0x300, 1, s->num_irq, translate_active);
 
-    /* irq_state[n].trigger -> GICD_ICFRn */
-    kvm_dist_put(s, 0xc00, 2, s->num_irq, translate_trigger);
 
     /* s->priorityX[irq] -> ICD_IPRIORITYRn */
     kvm_dist_put(s, 0x400, 8, s->num_irq, translate_priority);
-- 
2.3.0

  parent reply	other threads:[~2015-02-25 16:02 UTC|newest]

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-25 16:02 [PATCH 0/6] QEMU ARM64 Migration Fixes Alex Bennée
2015-02-25 16:02 ` Alex Bennée
2015-02-25 16:02 ` [Qemu-devel] " Alex Bennée
2015-02-25 16:02 ` [PATCH 1/6] target-arm: kvm: save/restore mp state Alex Bennée
2015-02-25 16:02   ` Alex Bennée
2015-02-25 16:02   ` [Qemu-devel] " Alex Bennée
2015-02-25 23:36   ` Peter Maydell
2015-02-25 23:36     ` Peter Maydell
2015-02-25 23:36     ` [Qemu-devel] " Peter Maydell
2015-03-03 10:56     ` Alex Bennée
2015-03-03 10:56       ` Alex Bennée
2015-03-03 10:56       ` [Qemu-devel] " Alex Bennée
2015-03-03 11:06       ` Paolo Bonzini
2015-03-03 11:06         ` Paolo Bonzini
2015-03-03 11:06         ` [Qemu-devel] " Paolo Bonzini
2015-03-03 11:51         ` Peter Maydell
2015-03-03 11:51           ` Peter Maydell
2015-03-03 11:51           ` [Qemu-devel] " Peter Maydell
2015-03-03 16:30           ` Alex Bennée
2015-03-03 16:30             ` Alex Bennée
2015-03-03 16:30             ` [Qemu-devel] " Alex Bennée
2015-03-03 17:10             ` Paolo Bonzini
2015-03-03 17:10               ` Paolo Bonzini
2015-03-03 17:10               ` [Qemu-devel] " Paolo Bonzini
2015-02-26 12:57   ` Paolo Bonzini
2015-02-26 12:57     ` Paolo Bonzini
2015-02-26 12:57     ` [Qemu-devel] " Paolo Bonzini
2015-02-25 16:02 ` Alex Bennée [this message]
2015-02-25 16:02   ` [PATCH 2/6] arm_gic_kvm.c: restore config before pending IRQs Alex Bennée
2015-02-25 16:02   ` [Qemu-devel] " Alex Bennée
2015-03-02 22:14   ` Christoffer Dall
2015-03-02 22:14     ` Christoffer Dall
2015-03-02 22:14     ` [Qemu-devel] " Christoffer Dall
2015-02-25 16:02 ` [PATCH 3/6] hw/char/pl011: don't keep setting the IRQ if nothing changed Alex Bennée
2015-02-25 16:02   ` Alex Bennée
2015-02-25 16:02   ` [Qemu-devel] " Alex Bennée
2015-02-25 16:02 ` [PATCH 4/6] target-arm/kvm64.c: sync FP register state Alex Bennée
2015-02-25 16:02   ` Alex Bennée
2015-02-25 16:02   ` [Qemu-devel] " Alex Bennée
2015-02-25 16:02 ` [PATCH 5/6] target-arm/kvm64: fix save/restore of SPSR registers Alex Bennée
2015-02-25 16:02   ` Alex Bennée
2015-02-25 16:02   ` [Qemu-devel] " Alex Bennée
2015-02-25 16:02 ` [PATCH 5/6] target-arm/kvm64: fix save/restore of SPSR regs Alex Bennée
2015-02-25 16:02   ` Alex Bennée
2015-02-25 16:02   ` [Qemu-devel] " Alex Bennée
2015-03-02 17:22   ` Christoffer Dall
2015-03-02 17:22     ` Christoffer Dall
2015-03-02 17:22     ` [Qemu-devel] " Christoffer Dall
2015-03-03 11:28     ` Alex Bennée
2015-03-03 11:28       ` Alex Bennée
2015-03-03 11:28       ` [Qemu-devel] " Alex Bennée
2015-03-09 12:56       ` Christoffer Dall
2015-03-09 12:56         ` Christoffer Dall
2015-03-09 12:56         ` [Qemu-devel] " Christoffer Dall
2015-03-09 13:31         ` Peter Maydell
2015-03-09 13:31           ` Peter Maydell
2015-03-09 13:31           ` [Qemu-devel] " Peter Maydell
2015-03-09 16:25           ` Alex Bennée
2015-03-09 16:25             ` Alex Bennée
2015-03-09 16:25             ` Alex Bennée
2015-03-09 16:25             ` [Qemu-devel] " Alex Bennée
2015-03-09 19:31           ` Christoffer Dall
2015-03-09 19:31             ` Christoffer Dall
2015-03-09 19:31             ` [Qemu-devel] " Christoffer Dall
2015-02-25 16:02 ` [PATCH 6/6] target-arm/cpu.h: document why env->spsr exists Alex Bennée
2015-02-25 16:02   ` Alex Bennée
2015-02-25 16:02   ` [Qemu-devel] " Alex Bennée
2015-03-11 15:39   ` Greg Bellows
2015-03-11 15:39     ` Greg Bellows
2015-03-11 15:39     ` Greg Bellows
2015-03-11 15:47   ` Peter Maydell
2015-03-11 15:47     ` Peter Maydell
2015-03-11 15:47     ` [Qemu-devel] " Peter Maydell

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