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From: Roger Pau Monne <roger.pau@citrix.com>
To: <xen-devel@lists.xenproject.org>
Cc: Jan Beulich <jbeulich@suse.com>, Roger Pau Monne <roger.pau@citrix.com>
Subject: [PATCH] x86/hvm: check against VIOAPIC_LEVEL_TRIG in hvm_gsi_deassert
Date: Tue, 16 Jun 2020 12:20:56 +0200	[thread overview]
Message-ID: <20200616102056.18074-1-roger.pau@citrix.com> (raw)

In order to avoid relying on the specific values of
VIOAPIC_{LEVEL/EDGE}_TRIG.

No functional change.

Requested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
---
 xen/arch/x86/hvm/irq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/hvm/irq.c b/xen/arch/x86/hvm/irq.c
index 6cbea63f4c..6772aec721 100644
--- a/xen/arch/x86/hvm/irq.c
+++ b/xen/arch/x86/hvm/irq.c
@@ -202,7 +202,7 @@ void hvm_gsi_deassert(struct domain *d, unsigned int gsi)
     int trig = vioapic_get_trigger_mode(d, gsi);
     struct hvm_irq *hvm_irq = hvm_domain_irq(d);
 
-    if ( trig <= VIOAPIC_EDGE_TRIG || gsi >= hvm_irq->nr_gsis )
+    if ( trig != VIOAPIC_LEVEL_TRIG || gsi >= hvm_irq->nr_gsis )
     {
         ASSERT(trig == VIOAPIC_EDGE_TRIG && gsi < hvm_irq->nr_gsis);
         return;
-- 
2.26.2



             reply	other threads:[~2020-06-16 10:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-16 10:20 Roger Pau Monne [this message]
2020-06-16 10:41 ` [PATCH] x86/hvm: check against VIOAPIC_LEVEL_TRIG in hvm_gsi_deassert Roger Pau Monné
2020-06-16 11:21 ` Jan Beulich
2020-06-16 11:50   ` Paul Durrant

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