linux-kernel - Re: [PATCH V4 2/3] Revert "ACPI,PCI,IRQ: remove SCI penalize function"

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Message-ID: <72cf5204-b6cd-d3c0-a354-c1e11dfe7331@codeaurora.org>
Date:   Sun, 23 Oct 2016 23:48:52 -0400
From:   Sinan Kaya <okaya@...eaurora.org>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     linux-acpi@...r.kernel.org, rjw@...ysocki.net, bhelgaas@...gle.com,
        ravikanth.nalla@....com, linux@...nbow-software.org,
        timur@...eaurora.org, cov@...eaurora.org, jcm@...hat.com,
        alex.williamson@...hat.com, Len Brown <len.brown@...el.com>,
        x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
        linux-pm@...r.kernel.org, linux-pci@...r.kernel.org,
        agross@...eaurora.org, linux-kernel@...r.kernel.org,
        Ingo Molnar <mingo@...hat.com>, Pavel Machek <pavel@....cz>,
        linux-arm-msm@...r.kernel.org, wim@....tudelft.nl,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V4 2/3] Revert "ACPI,PCI,IRQ: remove SCI penalize
 function"

On 10/20/2016 9:58 PM, Bjorn Helgaas wrote:
> I like this patch fine, except for the changelog.  I don't think it's
> useful to describe this as a revert and give all the historical
> details.  I think the important part is something like this:
> 
>   We previously used irq_get_trigger_type(irq) to help compute the
>   penalty for the SCI, but that depends on the SCI having been
>   registered already.  Add acpi_penalize_sci_irq() so platforms can
>   tell us the SCI IRQ, trigger, and polarity so we can compute the
>   penalty even before the SCI has been registered.

OK, will replace with this and also change the commit summary as

"ACPI,PCI,IRQ: save SCI IRQ details for runtime penalty calculation"
> 
> Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>
> 
>> > Link: https://lkml.org/lkml/2016/10/4/283
>> > Signed-off-by: Sinan Kaya <okaya@...eaurora.org>
>> > Fixes: commit 103544d86976 ("ACPI,PCI,IRQ: reduce resource requirements")
>> > Fixes: commit 9e5ed6d1fb87 ("ACPI,PCI,IRQ: remove SCI penalize function")
> "commit" is redundant; it's sufficient to say:

OK. I have been fighting with checkpatch. Checkpatch doesn't like a commit
summary without "commit 12 char SHA"
> 
>   Fixes: 103544d86976 ("ACPI,PCI,IRQ: reduce resource requirements")
> 
> In fact, I don't think you really need to include "commit" in the
> reference to 9e5ed6d1fb87 above either.
> 


-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.