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| author |   Marc Zyngier <maz@kernel.org> | 2020-09-30 14:05:35 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-09-30 14:05:35 +0100 |
| commit | 14ef9d04928b61d699fd0dd858b14b5d8150113e (patch) | |
| tree | 267d772b7068f7d0da04cf421286c65f2599f472 /arch/arm64/kvm/hyp/hyp-entry.S | |
| parent | Merge branch 'kvm-arm64/pmu-5.9' into kvmarm-master/next (diff) | |
| parent | Merge remote-tracking branch 'arm64/for-next/ghostbusters' into kvm-arm64/hyp-pcpu (diff) | |
| download | linux-dev-14ef9d04928b61d699fd0dd858b14b5d8150113e.tar.xz linux-dev-14ef9d04928b61d699fd0dd858b14b5d8150113e.zip | |
Merge branch 'kvm-arm64/hyp-pcpu' into kvmarm-master/next
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/kvm/hyp/hyp-entry.S')
| -rw-r--r-- | arch/arm64/kvm/hyp/hyp-entry.S | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S index bc9f53df46f5..0a5b36eb54b3 100644 --- a/arch/arm64/kvm/hyp/hyp-entry.S +++ b/arch/arm64/kvm/hyp/hyp-entry.S @@ -63,35 +63,6 @@ el1_sync: // Guest trapped into EL2 ARM_SMCCC_ARCH_WORKAROUND_2) cbnz w1, el1_trap -#ifdef CONFIG_ARM64_SSBD -alternative_cb arm64_enable_wa2_handling - b wa2_end -alternative_cb_end - get_vcpu_ptr x2, x0 - ldr x0, [x2, #VCPU_WORKAROUND_FLAGS] - - // Sanitize the argument and update the guest flags - ldr x1, [sp, #8] // Guest's x1 - clz w1, w1 // Murphy's device: - lsr w1, w1, #5 // w1 = !!w1 without using - eor w1, w1, #1 // the flags... - bfi x0, x1, #VCPU_WORKAROUND_2_FLAG_SHIFT, #1 - str x0, [x2, #VCPU_WORKAROUND_FLAGS] - - /* Check that we actually need to perform the call */ - hyp_ldr_this_cpu x0, arm64_ssbd_callback_required, x2 - cbz x0, wa2_end - - mov w0, #ARM_SMCCC_ARCH_WORKAROUND_2 - smc #0 - - /* Don't leak data from the SMC call */ - mov x3, xzr -wa2_end: - mov x2, xzr - mov x1, xzr -#endif - wa_epilogue: mov x0, xzr add sp, sp, #16 @@ -216,7 +187,6 @@ SYM_CODE_START(__kvm_hyp_vector) valid_vect el1_error // Error 32-bit EL1 SYM_CODE_END(__kvm_hyp_vector) -#ifdef CONFIG_KVM_INDIRECT_VECTORS .macro hyp_ventry .align 7 1: esb @@ -266,4 +236,3 @@ SYM_CODE_START(__bp_harden_hyp_vecs) 1: .org __bp_harden_hyp_vecs + __BP_HARDEN_HYP_VECS_SZ .org 1b SYM_CODE_END(__bp_harden_hyp_vecs) -#endif |