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authorWill Deacon <will.deacon@arm.com>2015-09-15 17:15:33 +0100
committerMarc Zyngier <marc.zyngier@arm.com>2015-09-17 13:13:26 +0100
commit34c3faa353db8f5d3ce9966cf854d5643c64c4db (patch)
treed07bdaf5bd1386587042fa31f9ecf06faeba888f /arch/arm64/include
parent688bc577ac42ae3d07c889a1f0a72f0b23763d58 (diff)
downloadlinux-34c3faa353db8f5d3ce9966cf854d5643c64c4db.tar.gz
arm64: KVM: Remove all traces of the ThumbEE registers
Although the ThumbEE registers and traps were present in earlier versions of the v8 architecture, it was retrospectively removed and so we can do the same. Whilst this breaks migrating a guest started on a previous version of the kernel, it is much better to kill these (non existent) registers as soon as possible. Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> [maz: added commend about migration] Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm64/include')
-rw-r--r--arch/arm64/include/asm/kvm_arm.h1
-rw-r--r--arch/arm64/include/asm/kvm_asm.h4
2 files changed, 1 insertions, 4 deletions
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index cbc5e1a0ea8f..9694f2654593 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -172,7 +172,6 @@
#define VTTBR_VMID_MASK (UL(0xFF) << VTTBR_VMID_SHIFT)
/* Hyp System Trap Register */
-#define HSTR_EL2_TTEE (1 << 16)
#define HSTR_EL2_T(x) (1 << x)
/* Hyp Coproccessor Trap Register Shifts */
diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h
index 67fa0de3d483..5e377101f919 100644
--- a/arch/arm64/include/asm/kvm_asm.h
+++ b/arch/arm64/include/asm/kvm_asm.h
@@ -53,9 +53,7 @@
#define IFSR32_EL2 25 /* Instruction Fault Status Register */
#define FPEXC32_EL2 26 /* Floating-Point Exception Control Register */
#define DBGVCR32_EL2 27 /* Debug Vector Catch Register */
-#define TEECR32_EL1 28 /* ThumbEE Configuration Register */
-#define TEEHBR32_EL1 29 /* ThumbEE Handler Base Register */
-#define NR_SYS_REGS 30
+#define NR_SYS_REGS 28
/* 32bit mapping */
#define c0_MPIDR (MPIDR_EL1 * 2) /* MultiProcessor ID Register */