Re: linux-next: manual merge of the kvm-arm tree with the arm64 tree

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On Thu, Jan 22 2015 at  5:07:04 am GMT, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:

Hi Stephen,

> Today's linux-next merge of the kvm-arm tree got a conflict in
> arch/arm64/include/asm/kvm_arm.h between commit 6e53031ed840 ("arm64:
> kvm: remove ESR_EL2_* macros") from the arm64 tree and commit
> 0d97f8848104 ("arm/arm64: KVM: add tracing support for arm64 exit
> handler") from the kvm-arm tree.
>
> I fixed it up (see below, but this probably requires more work) and can
> carry the fix as necessary (no action is required).

Thanks for dealing with this. I think the following patch should be
applied on top of your resolution, making the new macro part of the
asm/esr.h file.

Mark, Wei: does it match your expectations?

Thanks,

	M.

diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 6216709..92bbae3 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -96,6 +96,7 @@
 #define ESR_ELx_COND_SHIFT	(20)
 #define ESR_ELx_COND_MASK	(UL(0xF) << ESR_ELx_COND_SHIFT)
 #define ESR_ELx_WFx_ISS_WFE	(UL(1) << 0)
+#define ESR_ELx_xVC_IMM_MASK	((1UL << 16) - 1)
 
 #ifndef __ASSEMBLY__
 #include <asm/types.h>
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index 53fbc1e..94674eb 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -192,6 +192,4 @@
 /* Hyp Prefetch Fault Address Register (HPFAR/HDFAR) */
 #define HPFAR_MASK	(~UL(0xf))
 
-#define ESR_EL2_HVC_IMM_MASK	((1UL << 16) - 1)
-
 #endif /* __ARM64_KVM_ARM_H__ */
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index b861ff6..bbc17cd 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -133,7 +133,7 @@ static inline phys_addr_t kvm_vcpu_get_fault_ipa(const struct kvm_vcpu *vcpu)
 
 static inline u32 kvm_vcpu_hvc_get_imm(const struct kvm_vcpu *vcpu)
 {
-	return kvm_vcpu_get_hsr(vcpu) & ESR_EL2_HVC_IMM_MASK;
+	return kvm_vcpu_get_hsr(vcpu) & ESR_ELx_xVC_IMM_MASK;
 }
 
 static inline bool kvm_vcpu_dabt_isvalid(const struct kvm_vcpu *vcpu)

-- 
Jazz is not dead. It just smells funny.
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