linux-kernel - [PATCH v5 15/18] kvm: lapic: Clean up APIC predefined macros

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 14 Nov 2019 14:15:17 -0600
From:   Suravee Suthikulpanit <suravee.suthikulpanit@....com>
To:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Cc:     pbonzini@...hat.com, rkrcmar@...hat.com, joro@...tes.org,
        vkuznets@...hat.com, rkagan@...tuozzo.com, graf@...zon.com,
        jschoenh@...zon.de, karahmed@...zon.de, rimasluk@...zon.com,
        jon.grimm@....com,
        Suravee Suthikulpanit <suravee.suthikulpanit@....com>
Subject: [PATCH v5 15/18] kvm: lapic: Clean up APIC predefined macros

Move these duplicated predefined macros to the header file so that
it can be re-used in other places.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
---
 arch/x86/kvm/lapic.c | 13 +++++--------
 arch/x86/kvm/lapic.h |  1 +
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 7678f32..4713c30 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -56,9 +56,6 @@
 #define APIC_VERSION			(0x14UL | ((KVM_APIC_LVT_NUM - 1) << 16))
 #define LAPIC_MMIO_LENGTH		(1 << 12)
 /* followed define is not in apicdef.h */
-#define APIC_SHORT_MASK			0xc0000
-#define APIC_DEST_NOSHORT		0x0
-#define APIC_DEST_MASK			0x800
 #define MAX_APIC_VECTOR			256
 #define APIC_VECTORS_PER_REG		32
 
@@ -573,9 +570,9 @@ int kvm_pv_send_ipi(struct kvm *kvm, unsigned long ipi_bitmap_low,
 	irq.level = (icr & APIC_INT_ASSERT) != 0;
 	irq.trig_mode = icr & APIC_INT_LEVELTRIG;
 
-	if (icr & APIC_DEST_MASK)
+	if (icr & KVM_APIC_DEST_MASK)
 		return -KVM_EINVAL;
-	if (icr & APIC_SHORT_MASK)
+	if (icr & KVM_APIC_SHORT_MASK)
 		return -KVM_EINVAL;
 
 	rcu_read_lock();
@@ -806,7 +803,7 @@ bool kvm_apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source,
 
 	ASSERT(target);
 	switch (short_hand) {
-	case APIC_DEST_NOSHORT:
+	case KVM_APIC_DEST_NOSHORT:
 		if (dest_mode == APIC_DEST_PHYSICAL)
 			return kvm_apic_match_physical_addr(target, mda);
 		else
@@ -1202,10 +1199,10 @@ static void apic_send_ipi(struct kvm_lapic *apic, u32 icr_low, u32 icr_high)
 
 	irq.vector = icr_low & APIC_VECTOR_MASK;
 	irq.delivery_mode = icr_low & APIC_MODE_MASK;
-	irq.dest_mode = icr_low & APIC_DEST_MASK;
+	irq.dest_mode = icr_low & KVM_APIC_DEST_MASK;
 	irq.level = (icr_low & APIC_INT_ASSERT) != 0;
 	irq.trig_mode = icr_low & APIC_INT_LEVELTRIG;
-	irq.shorthand = icr_low & APIC_SHORT_MASK;
+	irq.shorthand = icr_low & KVM_APIC_SHORT_MASK;
 	irq.msi_redir_hint = false;
 	if (apic_x2apic_mode(apic))
 		irq.dest_id = icr_high;
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
index f6ef1ce..d49d85b 100644
--- a/arch/x86/kvm/lapic.h
+++ b/arch/x86/kvm/lapic.h
@@ -10,6 +10,7 @@
 #define KVM_APIC_SIPI		1
 #define KVM_APIC_LVT_NUM	6
 
+#define KVM_APIC_DEST_NOSHORT	0x0
 #define KVM_APIC_SHORT_MASK	0xc0000
 #define KVM_APIC_DEST_MASK	0x800
 
-- 
1.8.3.1