From: Marc Zyngier <maz@kernel•org>
To: Peter Hilber <peter.hilber@opensynergy•com>
Cc: linux-kernel@vger•kernel.org, "D,
Lakshmi Sowjanya" <lakshmi.sowjanya.d@intel•com>,
Thomas Gleixner <tglx@linutronix•de>,
jstultz@google•com, giometti@enneenne•com, corbet@lwn•net, "Dong,
Eddie" <eddie.dong@intel•com>,
"Hall, Christopher S" <christopher.s.hall@intel•com>,
Simon Horman <horms@kernel•org>,
Andy Shevchenko <andriy.shevchenko@linux•intel.com>,
linux-arm-kernel@lists•infradead.org,
Sean Christopherson <seanjc@google•com>,
Paolo Bonzini <pbonzini@redhat•com>,
Ingo Molnar <mingo@redhat•com>, Borislav Petkov <bp@alien8•de>,
Dave Hansen <dave.hansen@linux•intel.com>,
x86@kernel•org, "H. Peter Anvin" <hpa@zytor•com>,
Wanpeng Li <wanpengli@tencent•com>,
Vitaly Kuznetsov <vkuznets@redhat•com>,
Mark Rutland <mark.rutland@arm•com>,
Daniel Lezcano <daniel.lezcano@linaro•org>,
Richard Cochran <richardcochran@gmail•com>,
kvm@vger•kernel.org, netdev@vger•kernel.org
Subject: Re: [PATCH v3 5/8] ptp/kvm, arm_arch_timer: Set system_counterval_t.cs_id to constant
Date: Thu, 01 Feb 2024 13:52:29 +0000 [thread overview]
Message-ID: <86jzno70ma.wl-maz@kernel.org> (raw)
In-Reply-To: <20240201010453.2212371-6-peter.hilber@opensynergy.com>
On Thu, 01 Feb 2024 01:04:50 +0000,
Peter Hilber <peter.hilber@opensynergy•com> wrote:
>
> Identify the clocksources used by ptp_kvm by setting clocksource ID enum
> constants. This avoids dereferencing struct clocksource. Once the
> system_counterval_t.cs member will be removed, this will also avoid the
> need to obtain clocksource pointers from kvm_arch_ptp_get_crosststamp().
>
> The clocksource IDs are associated to timestamps requested from the KVM
> hypervisor, so the proper clocksource ID is known at the ptp_kvm request
> site.
>
> While at it, also rectify the ptp_kvm_get_time_fn() ret type.
Not sure what is wrong with that return type, but this patch doesn't
seem to affect it.
M.
--
Without deviation from the norm, progress is not possible.
next prev parent reply other threads:[~2024-02-01 13:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-01 1:04 [PATCH v3 0/8] treewide: Use clocksource ID for get_device_system_crosststamp() Peter Hilber
2024-02-01 1:04 ` [PATCH v3 2/8] timekeeping: Add clocksource ID to struct system_counterval_t Peter Hilber
2024-02-01 1:04 ` [PATCH v3 3/8] x86/tsc: Add clocksource ID, set system_counterval_t.cs_id Peter Hilber
2024-02-01 1:04 ` [PATCH v3 4/8] x86/kvm, ptp/kvm: " Peter Hilber
2024-02-01 1:04 ` [PATCH v3 5/8] ptp/kvm, arm_arch_timer: Set system_counterval_t.cs_id to constant Peter Hilber
2024-02-01 13:52 ` Marc Zyngier [this message]
2024-02-01 14:04 ` Peter Hilber
2024-02-01 1:04 ` [PATCH v3 6/8] timekeeping: Evaluate system_counterval_t.cs_id instead of .cs Peter Hilber
2024-02-01 1:04 ` [PATCH v3 7/8] treewide: Remove system_counterval_t.cs, which is never read Peter Hilber
2024-02-01 1:04 ` [PATCH v3 8/8] kvmclock: Unexport kvmclock clocksource Peter Hilber
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