Re: [PATCH v2 2/6] KVM: x86: decouple irqchip_in_kernel() and pic_irqchip()

From: David Hildenbrand
Date: Tue Jan 03 2017 - 07:56:35 EST


Am 16.12.2016 um 16:10 schrieb Radim KrÄmÃÅ:
irqchip_in_kernel() tried to save a bit by reusing pic_irqchip(), but it
just complicated the code.
Add a separate state for the irqchip mode.

Signed-off-by: Radim KrÄmÃÅ <rkrcmar@xxxxxxxxxx>
---
v2: change two bools into one enum and rename everything [Paolo]
---
arch/x86/include/asm/kvm_host.h | 8 +++++++-
arch/x86/kvm/irq.h | 15 ++++++++-------
arch/x86/kvm/x86.c | 5 +++--
3 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 7892530cbacf..d3acd295446d 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -715,6 +715,12 @@ struct kvm_hv {
HV_REFERENCE_TSC_PAGE tsc_ref;
};

+enum kvm_irqchip_mode {
+ KVM_IRQCHIP_NONE,
+ KVM_IRQCHIP_KERNEL, /* created with KVM_CREATE_IRQCHIP */
+ KVM_IRQCHIP_SPLIT, /* created with KVM_CAP_SPLIT_IRQCHIP */

Was wondering if FULL/SPLIT would be a better naming. However I also
find irqchip_kernel() vs irqchip_in_kernel() slightly confusing.

Anyhow, with the suggestion of Paolo included,

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

+};


--

David