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Re: [RFC 0/5] Introduce dynamic tracer using Livepatch
- To: Ryo Takakura <takakura@xxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Fri, 30 Oct 2026 11:31:23 +0100
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Fri, 30 Oct 2026 10:31:46 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 23.10.2026 06:48, Ryo Takakura wrote:
> Ryo Takakura (5):
> xen/arm64: livepatch: enable attaching callbacks
> xen/livepatch: Allow tracers to schedule livepatch
> xen/tracing: prepare a livepatch payload and its controling interface
> xen/tracing: Add a function tracer
> xen/x86: livepatch: enable attaching callbacks
>
> xen/arch/arm/Kconfig | 13 +
> xen/arch/arm/arch.mk | 3 +
> xen/arch/arm/arm64/Makefile | 1 +
> xen/arch/arm/arm64/insn.c | 5 +
> xen/arch/arm/arm64/livepatch-asm.S | 68 +++
> xen/arch/arm/arm64/livepatch.c | 39 ++
> xen/arch/arm/include/asm/arm64/insn.h | 1 +
> xen/arch/arm/xen.lds.S | 5 +
> xen/arch/x86/Kconfig | 13 +
> xen/arch/x86/Makefile | 1 +
> xen/arch/x86/arch.mk | 3 +
> xen/arch/x86/livepatch-asm.S | 60 +++
> xen/arch/x86/livepatch.c | 33 ++
> xen/arch/x86/xen.lds.S | 5 +
> xen/common/Kconfig | 12 +
> xen/common/Makefile | 6 +
> xen/common/function_trace.c | 274 ++++++++++
> xen/common/hypfs_trace.c | 743 ++++++++++++++++++++++++++
> xen/common/livepatch.c | 137 ++++-
> xen/include/xen/hypfs_trace.h | 42 ++
> xen/include/xen/livepatch.h | 14 +
> xen/include/xen/livepatch_payload.h | 7 +-
> 22 files changed, 1478 insertions(+), 7 deletions(-)
> create mode 100644 xen/arch/arm/arm64/livepatch-asm.S
> create mode 100644 xen/arch/x86/livepatch-asm.S
> create mode 100644 xen/common/function_trace.c
> create mode 100644 xen/common/hypfs_trace.c
> create mode 100644 xen/include/xen/hypfs_trace.h
Nit: Dashes in favor of underscores please in new files' names.
Jan
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