linux-kernel - [PATCH 04/31] mips/kvm: Add casts to avoid pointer width mismatch build failures.

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Date:	Fri,  7 Jun 2013 16:03:08 -0700
From:	David Daney <ddaney.cavm@...il.com>
To:	linux-mips@...ux-mips.org, ralf@...ux-mips.org,
	kvm@...r.kernel.org, Sanjay Lal <sanjayl@...asys.com>
Cc:	linux-kernel@...r.kernel.org, David Daney <david.daney@...ium.com>
Subject: [PATCH 04/31] mips/kvm: Add casts to avoid pointer width mismatch build failures.

From: David Daney <david.daney@...ium.com>

When building for 64-bits we need these cases to make it build.

Signed-off-by: David Daney <david.daney@...ium.com>
---
 arch/mips/kvm/kvm_mips.c          | 4 ++--
 arch/mips/kvm/kvm_mips_dyntrans.c | 4 ++--
 arch/mips/kvm/kvm_mips_emul.c     | 2 +-
 arch/mips/kvm/kvm_tlb.c           | 4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/mips/kvm/kvm_mips.c b/arch/mips/kvm/kvm_mips.c
index d934b01..6018e2a 100644
--- a/arch/mips/kvm/kvm_mips.c
+++ b/arch/mips/kvm/kvm_mips.c
@@ -303,7 +303,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
 	}
 
 	/* Save Linux EBASE */
-	vcpu->arch.host_ebase = (void *)read_c0_ebase();
+	vcpu->arch.host_ebase = (void *)(long)(read_c0_ebase() & 0x3ff);
 
 	gebase = kzalloc(ALIGN(size, PAGE_SIZE), GFP_KERNEL);
 
@@ -339,7 +339,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
 	offset = 0x2000;
 	kvm_info("Installing KVM Exception handlers @ %p, %#x bytes\n",
 		 gebase + offset,
-		 mips32_GuestExceptionEnd - mips32_GuestException);
+		 (unsigned)(mips32_GuestExceptionEnd - mips32_GuestException));
 
 	memcpy(gebase + offset, mips32_GuestException,
 	       mips32_GuestExceptionEnd - mips32_GuestException);
diff --git a/arch/mips/kvm/kvm_mips_dyntrans.c b/arch/mips/kvm/kvm_mips_dyntrans.c
index 96528e2..dd0b8f9 100644
--- a/arch/mips/kvm/kvm_mips_dyntrans.c
+++ b/arch/mips/kvm/kvm_mips_dyntrans.c
@@ -94,7 +94,7 @@ kvm_mips_trans_mfc0(uint32_t inst, uint32_t *opc, struct kvm_vcpu *vcpu)
 						      cop0);
 	}
 
-	if (KVM_GUEST_KSEGX(opc) == KVM_GUEST_KSEG0) {
+	if (KVM_GUEST_KSEGX((unsigned long)opc) == KVM_GUEST_KSEG0) {
 		kseg0_opc =
 		    CKSEG0ADDR(kvm_mips_translate_guest_kseg0_to_hpa
 			       (vcpu, (unsigned long) opc));
@@ -129,7 +129,7 @@ kvm_mips_trans_mtc0(uint32_t inst, uint32_t *opc, struct kvm_vcpu *vcpu)
 	    offsetof(struct mips_coproc,
 		     reg[rd][sel]) + offsetof(struct kvm_mips_commpage, cop0);
 
-	if (KVM_GUEST_KSEGX(opc) == KVM_GUEST_KSEG0) {
+	if (KVM_GUEST_KSEGX((unsigned long)opc) == KVM_GUEST_KSEG0) {
 		kseg0_opc =
 		    CKSEG0ADDR(kvm_mips_translate_guest_kseg0_to_hpa
 			       (vcpu, (unsigned long) opc));
diff --git a/arch/mips/kvm/kvm_mips_emul.c b/arch/mips/kvm/kvm_mips_emul.c
index 4b6274b..af9a661 100644
--- a/arch/mips/kvm/kvm_mips_emul.c
+++ b/arch/mips/kvm/kvm_mips_emul.c
@@ -892,7 +892,7 @@ int kvm_mips_sync_icache(unsigned long va, struct kvm_vcpu *vcpu)
 	pfn = kvm->arch.guest_pmap[gfn];
 	pa = (pfn << PAGE_SHIFT) | offset;
 
-	printk("%s: va: %#lx, unmapped: %#x\n", __func__, va, CKSEG0ADDR(pa));
+	printk("%s: va: %#lx, unmapped: %#lx\n", __func__, va, CKSEG0ADDR(pa));
 
 	mips32_SyncICache(CKSEG0ADDR(pa), 32);
 	return 0;
diff --git a/arch/mips/kvm/kvm_tlb.c b/arch/mips/kvm/kvm_tlb.c
index c777dd3..5e189be 100644
--- a/arch/mips/kvm/kvm_tlb.c
+++ b/arch/mips/kvm/kvm_tlb.c
@@ -353,7 +353,7 @@ int kvm_mips_handle_commpage_tlb_fault(unsigned long badvaddr,
 	unsigned long entrylo0 = 0, entrylo1 = 0;
 
 
-	pfn0 = CPHYSADDR(vcpu->arch.kseg0_commpage) >> PAGE_SHIFT;
+	pfn0 = CPHYSADDR((unsigned long)vcpu->arch.kseg0_commpage) >> PAGE_SHIFT;
 	pfn1 = 0;
 	entrylo0 = mips3_paddr_to_tlbpfn(pfn0 << PAGE_SHIFT) | (0x3 << 3) | (1 << 2) |
 			(0x1 << 1);
@@ -916,7 +916,7 @@ uint32_t kvm_get_inst(uint32_t *opc, struct kvm_vcpu *vcpu)
 			inst = *(opc);
 		}
 		local_irq_restore(flags);
-	} else if (KVM_GUEST_KSEGX(opc) == KVM_GUEST_KSEG0) {
+	} else if (KVM_GUEST_KSEGX((unsigned long)opc) == KVM_GUEST_KSEG0) {
 		paddr =
 		    kvm_mips_translate_guest_kseg0_to_hpa(vcpu,
 							 (unsigned long) opc);
-- 
1.7.11.7

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