linux-kernel - Re: [RFC PATCH v2 05/34] x86/msr: Return u64 consistently in Xen PMC read functions

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Message-ID: <72f5c841-f710-42a6-8236-fdf2a8e4c8dc@suse.com>
Date: Tue, 22 Apr 2025 10:40:03 +0200
From: Jürgen Groß <jgross@...e.com>
To: "Xin Li (Intel)" <xin@...or.com>, linux-kernel@...r.kernel.org,
 kvm@...r.kernel.org, linux-perf-users@...r.kernel.org,
 linux-hyperv@...r.kernel.org, virtualization@...ts.linux.dev,
 linux-pm@...r.kernel.org, linux-edac@...r.kernel.org,
 xen-devel@...ts.xenproject.org, linux-acpi@...r.kernel.org,
 linux-hwmon@...r.kernel.org, netdev@...r.kernel.org,
 platform-driver-x86@...r.kernel.org
Cc: tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
 dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com, acme@...nel.org,
 andrew.cooper3@...rix.com, peterz@...radead.org, namhyung@...nel.org,
 mark.rutland@....com, alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
 irogers@...gle.com, adrian.hunter@...el.com, kan.liang@...ux.intel.com,
 wei.liu@...nel.org, ajay.kaher@...adcom.com,
 bcm-kernel-feedback-list@...adcom.com, tony.luck@...el.com,
 pbonzini@...hat.com, vkuznets@...hat.com, seanjc@...gle.com,
 luto@...nel.org, boris.ostrovsky@...cle.com, kys@...rosoft.com,
 haiyangz@...rosoft.com, decui@...rosoft.com
Subject: Re: [RFC PATCH v2 05/34] x86/msr: Return u64 consistently in Xen PMC
 read functions

On 22.04.25 10:21, Xin Li (Intel) wrote:
> The pv_ops PMC read API is defined as:
>          u64 (*read_pmc)(int counter);
> 
> But Xen PMC read functions return unsigned long long, make them
> return u64 consistently.
> 
> Signed-off-by: Xin Li (Intel) <xin@...or.com>

Reviewed-by: Juergen Gross <jgross@...e.com>


Juergen

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