Re: [Qemu-devel] [PATCH v5 14/20] trace: dynamically allocate trace_dstate in CPUState

[Stefan Hajnoczi]

On Wed, Sep 28, 2016 at 02:08:17PM +0100, Daniel P. Berrange wrote:
> The CPUState struct has a bitmap tracking which VCPU
> events are currently active. This is indexed based on
> the event ID values, and sized according the maximum
> TraceEventVCPUID enum value.
> 
> When we start dynamically assigning IDs at runtime,
> we can't statically declare a bitmap without making
> an assumption about the max event count. This problem
> can be solved by dynamically allocating the per-CPU
> dstate bitmap.
> 
> Signed-off-by: Daniel P. Berrange <address@hidden>
> ---
>  include/qom/cpu.h | 9 ++++++---
>  qom/cpu.c         | 8 ++++++--
>  trace/control.c   | 5 +++++
>  trace/control.h   | 7 +++++++
>  4 files changed, 24 insertions(+), 5 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>

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