KVM: arm64: Add trace reset to the nVHE/pKVM hyp

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Make the hypervisor reset either the whole tracing buffer or a specific
ring-buffer, on remotes/hypervisor/trace or per_cpu/<cpu>/trace write
access.

Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
Link: https://patch.msgid.link/20260309162516.2623589-27-vdonnefort@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>

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Vincent Donnefort 2026-03-09 16:25:12 +00:00 • committed by Marc Zyngier

parent b22888917f

commit 2194d317e0

5 changed files with 29 additions and 1 deletions

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1

arch/arm64/include/asm/kvm_asm.h

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2

arch/arm64/kvm/hyp/include/nvhe/trace.h

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8

arch/arm64/kvm/hyp/nvhe/hyp-main.c

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17

arch/arm64/kvm/hyp/nvhe/trace.c

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2

arch/arm64/kvm/hyp_trace.c

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