From: David Hildenbrand <david@redhat.com>
To: kvm@vger.kernel.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
rkrcmar@redhat.com, david@redhat.com
Subject: [PATCH v1 20/22] KVM: x86: set data directly in picdev_read()
Date: Tue, 14 Mar 2017 14:34:48 +0100 [thread overview]
Message-ID: <20170314133450.13259-21-david@redhat.com> (raw)
In-Reply-To: <20170314133450.13259-1-david@redhat.com>
Now it looks almost as picdev_write().
Signed-off-by: David Hildenbrand <david@redhat.com>
---
arch/x86/kvm/i8259.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c
index 53c4c6a..52d21f2 100644
--- a/arch/x86/kvm/i8259.c
+++ b/arch/x86/kvm/i8259.c
@@ -484,7 +484,7 @@ static int picdev_write(struct kvm_pic *s,
static int picdev_read(struct kvm_pic *s,
gpa_t addr, int len, void *val)
{
- unsigned char data = 0;
+ unsigned char *data = (unsigned char *)val;
if (len != 1) {
memset(val, 0, len);
@@ -497,19 +497,18 @@ static int picdev_read(struct kvm_pic *s,
case 0xa0:
case 0xa1:
pic_lock(s);
- data = pic_ioport_read(&s->pics[addr >> 7], addr);
+ *data = pic_ioport_read(&s->pics[addr >> 7], addr);
pic_unlock(s);
break;
case 0x4d0:
case 0x4d1:
pic_lock(s);
- data = elcr_ioport_read(&s->pics[addr & 1], addr);
+ *data = elcr_ioport_read(&s->pics[addr & 1], addr);
pic_unlock(s);
break;
default:
return -EOPNOTSUPP;
}
- *(unsigned char *)val = data;
return 0;
}
--
2.9.3
next prev parent reply other threads:[~2017-03-14 13:35 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-14 13:34 [PATCH v1 00/22] pic/ioapic/irqchip cleanups + minor fixes David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 01/22] KVM: x86: race between KVM_SET_GSI_ROUTING and KVM_CREATE_IRQCHIP David Hildenbrand
2017-03-15 6:24 ` Peter Xu
2017-03-15 9:19 ` David Hildenbrand
2017-03-15 9:28 ` Peter Xu
2017-03-14 13:34 ` [PATCH v1 02/22] KVM: x86: check against irqchip_mode in kvm_set_routing_entry() David Hildenbrand
2017-03-15 6:33 ` Peter Xu
2017-03-15 9:35 ` David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 03/22] KVM: x86: check against irqchip_mode in pic_in_kernel() David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 04/22] KVM: x86: check against irqchip_mode in ioapic_in_kernel() David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 05/22] KVM: x86: get rid of pic_irqchip() David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 06/22] KVM: x86: get rid of ioapic_irqchip() David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 07/22] KVM: x86: use ioapic_in_kernel() to check for ioapic existence David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 08/22] KVM: x86: remove duplicate checks for ioapic David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 09/22] KVM: x86: convert kvm_(set|get)_ioapic() into void David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 10/22] KVM: x86: don't take kvm->irq_lock when creating IRQCHIP David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 11/22] KVM: x86: push usage of slots_lock down David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 12/22] KVM: x86: KVM_IRQCHIP_PIC_MASTER only has 8 pins David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 13/22] KVM: x86: remove all-vcpu request from kvm_ioapic_init() David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 14/22] KVM: x86: directly call kvm_make_scan_ioapic_request() in ioapic.c David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 15/22] KVM: x86: rename kvm_vcpu_request_scan_ioapic() David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 16/22] KVM: x86: drop goto label in kvm_set_routing_entry() David Hildenbrand
2017-03-15 8:23 ` Peter Xu
2017-03-15 9:11 ` David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 17/22] KVM: x86: simplify pic_unlock() David Hildenbrand
2017-03-15 8:27 ` Peter Xu
2017-03-15 9:07 ` David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 18/22] KVM: x86: make kvm_pic_reset() static David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 19/22] KVM: x86: drop picdev_in_range() David Hildenbrand
2017-03-14 13:34 ` David Hildenbrand [this message]
2017-03-14 13:34 ` [PATCH v1 21/22] KVM: x86: simplify pic_ioport_read() David Hildenbrand
2017-03-14 13:34 ` [PATCH v1 22/22] KVM: x86: use irqchip_kernel() to check for pic+ioapic David Hildenbrand
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