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Re: [PATCH 1/5] cpufreq: eliminate cpufreq_drv_data[]
- To: Jan Beulich <jbeulich@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jason Andryuk <jason.andryuk@xxxxxxx>
- Date: Fri, 23 Jan 2026 17:48:38 -0500
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Fri, 23 Jan 2026 22:48:57 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 2026-01-22 04:42, Jan Beulich wrote:
Possibly many slots of it may be unused (all of them when the HWP or CPPC
drivers are in use), as it's always strictly associated with the CPU
recorded in a policy (irrespective of that CPU intermediately being taken
offline). It is shared by all CPUs sharing a policy. We could therefore
put the respective pointers in struct cpufreq_policy, but even that level
of indirection is pointless. Embed the driver data structure directly in
the policy one.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
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