From: Ankur Arora <ankur.a.arora@oracle.com>
To: "Christoph Lameter (Ampere)" <cl@gentwo.org>
Cc: Ankur Arora <ankur.a.arora@oracle.com>,
linux-pm@vger.kernel.org, kvm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
catalin.marinas@arm.com, will@kernel.org, x86@kernel.org,
pbonzini@redhat.com, vkuznets@redhat.com, rafael@kernel.org,
daniel.lezcano@linaro.org, peterz@infradead.org, arnd@arndb.de,
lenb@kernel.org, mark.rutland@arm.com, harisokn@amazon.com,
mtosatti@redhat.com, sudeep.holla@arm.com, maz@kernel.org,
misono.tomohiro@fujitsu.com, maobibo@loongson.cn,
zhenglifeng1@huawei.com, joao.m.martins@oracle.com,
boris.ostrovsky@oracle.com, konrad.wilk@oracle.com
Subject: Re: [PATCH v10 08/11] governors/haltpoll: drop kvm_para_available() check
Date: Tue, 25 Feb 2025 11:06:16 -0800 [thread overview]
Message-ID: <87y0xt26af.fsf@oracle.com> (raw)
In-Reply-To: <6d035996-8b8f-3d3d-d41e-6573f8a76f31@gentwo.org>
Christoph Lameter (Ampere) <cl@gentwo.org> writes:
> On Tue, 18 Feb 2025, Ankur Arora wrote:
>
>> So, we can safely forgo the kvm_para_available() check. This also
>> allows cpuidle-haltpoll to be tested on baremetal.
>
> I would hope that we will have this functionality as the default on
> baremetal after testing in the future.
Yeah, supporting haltpoll style adaptive polling on baremetal has some
way to go.
But, with Lifeng's patch-6 "ACPI: processor_idle: Support polling state
for LPI" we do get polling support in acpi-idle.
> Reviewed-by; Christoph Lameter (Ampere) <cl@linux.com>
Thanks Christoph!
--
ankur
next prev parent reply other threads:[~2025-02-25 19:06 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-18 21:33 [PATCH v10 00/11] arm64: support poll_idle() Ankur Arora
2025-02-18 21:33 ` [PATCH v10 01/11] cpuidle/poll_state: poll via smp_cond_load_relaxed_timewait() Ankur Arora
2025-05-13 5:29 ` Ankur Arora
2025-02-18 21:33 ` [PATCH v10 02/11] cpuidle: rename ARCH_HAS_CPU_RELAX to ARCH_HAS_OPTIMIZED_POLL Ankur Arora
2025-02-18 21:33 ` [PATCH v10 03/11] Kconfig: move ARCH_HAS_OPTIMIZED_POLL to arch/Kconfig Ankur Arora
2025-02-18 21:33 ` [PATCH v10 04/11] arm64: define TIF_POLLING_NRFLAG Ankur Arora
2025-02-18 21:33 ` [PATCH v10 05/11] arm64: add support for poll_idle() Ankur Arora
2025-02-18 21:33 ` [PATCH v10 06/11] ACPI: processor_idle: Support polling state for LPI Ankur Arora
2025-02-18 21:33 ` [PATCH v10 07/11] cpuidle-haltpoll: define arch_haltpoll_want() Ankur Arora
2025-02-18 21:33 ` [PATCH v10 08/11] governors/haltpoll: drop kvm_para_available() check Ankur Arora
2025-02-24 16:57 ` Christoph Lameter (Ampere)
2025-02-25 19:06 ` Ankur Arora [this message]
2025-02-18 21:33 ` [PATCH v10 09/11] cpuidle-haltpoll: condition on ARCH_CPUIDLE_HALTPOLL Ankur Arora
2025-02-18 21:33 ` [PATCH v10 10/11] arm64: idle: export arch_cpu_idle() Ankur Arora
2025-04-11 3:32 ` Shuai Xue
2025-04-11 17:42 ` Okanovic, Haris
2025-04-11 20:57 ` Ankur Arora
2025-04-14 2:01 ` Shuai Xue
2025-04-14 3:46 ` Ankur Arora
2025-04-14 7:43 ` Shuai Xue
2025-04-15 6:24 ` Ankur Arora
2025-02-18 21:33 ` [PATCH v10 11/11] arm64: support cpuidle-haltpoll Ankur Arora
2025-05-13 5:23 ` [PATCH v10 00/11] arm64: support poll_idle() Ankur Arora
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