From: "Jürgen Groß" <jgross@suse.com>
To: Qais Yousef <qais.yousef@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Stefano Stabellini <sstabellini@kernel.org>,
xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 10/14] driver: xen: Replace cpu_up/down with device_online/offline
Date: Mon, 9 Dec 2019 07:25:39 +0100 [thread overview]
Message-ID: <ff1486b7-1072-b4a6-ff51-1d5861d2c17b@suse.com> (raw)
In-Reply-To: <20191125112754.25223-11-qais.yousef@arm.com>
On 25.11.19 12:27, Qais Yousef wrote:
> The core device API performs extra housekeeping bits that are missing
> from directly calling cpu_up/down.
>
> See commit a6717c01ddc2 ("powerpc/rtas: use device model APIs and
> serialization during LPM") for an example description of what might go
> wrong.
>
> This also prepares to make cpu_up/down a private interface for anything
> but the cpu subsystem.
>
> Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Juergen
next prev parent reply other threads:[~2019-12-09 6:25 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20191125112754.25223-1-qais.yousef@arm.com>
2019-11-25 11:27 ` [PATCH v2 01/14] smp: Create a new function to shutdown nonboot cpus Qais Yousef
2020-01-21 17:03 ` Russell King - ARM Linux admin
2020-01-21 17:47 ` Qais Yousef
2020-01-21 18:09 ` Russell King - ARM Linux admin
2020-01-22 10:32 ` Qais Yousef
2019-11-25 11:27 ` [PATCH v2 02/14] ia64: Replace cpu_down with smp_shutdown_nonboot_cpus() Qais Yousef
2019-11-25 11:27 ` [PATCH v2 03/14] arm: arm64: Don't use disable_nonboot_cpus() Qais Yousef
2020-01-21 16:50 ` Qais Yousef
2020-01-21 16:53 ` Russell King - ARM Linux admin
2020-01-21 16:58 ` Qais Yousef
2020-01-21 17:05 ` Russell King - ARM Linux admin
2019-11-25 11:27 ` [PATCH v2 04/14] arm64: hibernate.c: Create a new function to handle cpu_up(sleep_cpu) Qais Yousef
2019-11-25 11:27 ` [PATCH v2 05/14] x86: Replace cpu_up/down with devcie_online/offline Qais Yousef
2019-11-25 11:27 ` [PATCH v2 06/14] powerpc: Replace cpu_up/down with device_online/offline Qais Yousef
2019-11-25 11:27 ` [PATCH v2 07/14] sparc: " Qais Yousef
2019-11-25 11:27 ` [PATCH v2 08/14] parisc: " Qais Yousef
2019-11-25 11:27 ` [PATCH v2 09/14] driver: base: cpu: Export device_online/offline Qais Yousef
2019-11-25 11:27 ` [PATCH v2 10/14] driver: xen: Replace cpu_up/down with device_online/offline Qais Yousef
2019-12-09 6:25 ` Jürgen Groß [this message]
2019-11-25 11:27 ` [PATCH v2 11/14] firmware: psci: " Qais Yousef
2019-11-25 11:27 ` [PATCH v2 12/14] torture: " Qais Yousef
2019-11-27 21:47 ` Paul E. McKenney
2019-11-28 16:56 ` Qais Yousef
2019-11-28 17:00 ` Qais Yousef
2019-11-28 21:02 ` Paul E. McKenney
2019-11-29 9:13 ` Qais Yousef
2019-11-29 20:38 ` Paul E. McKenney
2020-02-20 15:31 ` Qais Yousef
2020-02-21 0:26 ` Paul E. McKenney
2020-02-21 9:35 ` Qais Yousef
2020-02-21 20:39 ` Paul E. McKenney
2019-11-25 11:27 ` [PATCH v2 13/14] smp: Create a new function to bringup nonboot cpus online Qais Yousef
2019-11-25 11:27 ` [PATCH v2 14/14] cpu: Hide cpu_up/down Qais Yousef
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