linux-kernel - Re: [PATCH v1] xen: ACPI: Get rid of ACPICA message printing

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Date:   Thu, 25 Feb 2021 18:21:41 -0500
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux ACPI <linux-acpi@...r.kernel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Juergen Gross <jgross@...e.com>, xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v1] xen: ACPI: Get rid of ACPICA message printing


On 2/24/21 1:47 PM, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>
> The ACPI_DEBUG_PRINT() macro is used in a few places in
> xen-acpi-cpuhotplug.c and xen-acpi-memhotplug.c for printing debug
> messages, but that is questionable, because that macro belongs to
> ACPICA and it should not be used elsewhere.  In addition,
> ACPI_DEBUG_PRINT() requires special enabling to allow it to actually
> print the message and the _COMPONENT symbol generally needed for
> that is not defined in any of the files in question.
>
> For this reason, replace all of the ACPI_DEBUG_PRINT() instances in
> the Xen code with acpi_handle_debug() (with the additional benefit
> that the source object can be identified more easily after this
> change) and drop the ACPI_MODULE_NAME() definitions that are only
> used by the ACPICA message printing macros from that code.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>