linux-kernel - [PATCH] kvm: x86: i8259: Converts mask values to logical binary values.

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Date:   Sat, 11 Sep 2021 11:27:21 +0800
From:   18341265598@....com
To:     Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, "H . Peter Anvin" <hpa@...or.com>
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Zhaoge Zhang <18341265598@....com>
Subject: [PATCH] kvm: x86: i8259: Converts mask values to logical binary values.

From: Zhaoge Zhang <18341265598@....com>

Signed-off-by: Zhaoge Zhang <18341265598@....com>
---
 arch/x86/kvm/i8259.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c
index 0b80263..a8f1d60 100644
--- a/arch/x86/kvm/i8259.c
+++ b/arch/x86/kvm/i8259.c
@@ -92,7 +92,7 @@ static inline int pic_set_irq1(struct kvm_kpic_state *s, int irq, int level)
 	mask = 1 << irq;
 	if (s->elcr & mask)	/* level triggered */
 		if (level) {
-			ret = !(s->irr & mask);
+			ret = !!!(s->irr & mask);
 			s->irr |= mask;
 			s->last_irr |= mask;
 		} else {
@@ -102,7 +102,7 @@ static inline int pic_set_irq1(struct kvm_kpic_state *s, int irq, int level)
 	else	/* edge triggered */
 		if (level) {
 			if ((s->last_irr & mask) == 0) {
-				ret = !(s->irr & mask);
+				ret = !!!(s->irr & mask);
 				s->irr |= mask;
 			}
 			s->last_irr |= mask;
-- 
2.7.4