Re: [PATCH 0/2] Fix trace remotes read with an offline CPU

From: Marc Zyngier

Date: Wed Apr 01 2026 - 11:33:00 EST


On Wed, 01 Apr 2026 15:31:59 +0100,
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
>
> On Wed, 1 Apr 2026 03:50:01 +0100
> Vincent Donnefort <vdonnefort@xxxxxxxxxx> wrote:
>
> > This small series is fixing non-consuming read of a trace remote when the
> > trace_buffer is created after a CPU is offline.
> >
> > It also extends hotplug testing coverage to include this test case.
> >
> > I have based this series on top of kvmarm/next which contains the hypervisor
> > tracing patches.
> >
> > Vincent Donnefort (2):
> > tracing: Non-consuming read for trace remotes with an offline CPU
> > tracing: selftests: Extend hotplug testing for trace remotes
>
> This looks fine to me. Since they only affect the new remote code and will
> not conflict with anything I'm doing, they can go on top of the KVM patches
> in the arm64 tree.
>
> Acked-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
>
> for the series.

Do you want to look at v2 [1], which was sent two hours later?

M.

[1] https://lore.kernel.org/r/20260401045100.3394299-1-vdonnefort@xxxxxxxxxx

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