From: Thomas Gleixner <tglx@linutronix.de>
To: John Garry <john.garry@huawei.com>,
gregkh@linuxfoundation.org, rafael@kernel.org,
martin.petersen@oracle.com, jejb@linux.ibm.com
Cc: linuxarm@huawei.com, linux-scsi@vger.kernel.org,
linux-kernel@vger.kernel.org, maz@kernel.org
Subject: Re: [PATCH v2 1/3] genirq/affinity: Add irq_update_affinity_desc()
Date: Mon, 02 Nov 2020 21:35:23 +0100 [thread overview]
Message-ID: <87blgf8pkk.fsf@nanos.tec.linutronix.de> (raw)
In-Reply-To: <ce13a36e-967c-c7ec-fd34-d53262313a5d@huawei.com>
On Mon, Nov 02 2020 at 17:32, John Garry wrote:
> On 28/10/2020 18:22, Thomas Gleixner wrote:
>> But all of this can't work on x86 due to the way how vector allocation
>> works. Let me think about that.
>
> Is the problem that we reserve per-cpu managed interrupt space when
> allocated irq vectors on x86, and so later changing managed vs
> non-managed setting for irqs messes up this accounting somehow?
Correct. I have a halfways working solution for that, but I need to fix
some other thing first.
Thanks,
tglx
next prev parent reply other threads:[~2020-11-02 20:35 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-28 12:33 [PATCH v2 0/3] Support managed interrupts for platform devices John Garry
2020-10-28 12:33 ` [PATCH v2 1/3] genirq/affinity: Add irq_update_affinity_desc() John Garry
2020-10-28 18:22 ` Thomas Gleixner
2020-11-02 17:32 ` John Garry
2020-11-02 20:35 ` Thomas Gleixner [this message]
2020-11-17 21:28 ` Thomas Gleixner
2020-11-18 11:34 ` John Garry
2020-11-18 20:38 ` Thomas Gleixner
2020-11-19 9:31 ` John Garry
2020-11-19 18:09 ` Thomas Gleixner
2020-11-19 19:56 ` John Garry
2020-11-19 21:03 ` Thomas Gleixner
2020-11-20 11:52 ` John Garry
2020-11-22 13:38 ` Marc Zyngier
2020-11-23 12:54 ` John Garry
2020-11-23 13:26 ` Marc Zyngier
2020-11-23 15:45 ` John Garry
2020-11-24 16:51 ` Marc Zyngier
2020-11-24 17:38 ` John Garry
2020-11-25 18:35 ` Marc Zyngier
2020-11-26 10:47 ` John Garry
2020-11-26 11:08 ` Marc Zyngier
2020-11-26 11:29 ` John Garry
2020-11-26 16:52 ` John Garry
2020-11-27 9:57 ` Marc Zyngier
2020-11-27 12:45 ` John Garry
2020-11-27 12:49 ` Marc Zyngier
2020-10-28 12:33 ` [PATCH v2 2/3] Driver core: platform: Add platform_get_irqs_affinity() John Garry
2020-10-28 12:33 ` [PATCH v2 3/3] scsi: hisi_sas: Expose HW queues for v2 hw John Garry
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87blgf8pkk.fsf@nanos.tec.linutronix.de \
--to=tglx@linutronix.de \
--cc=gregkh@linuxfoundation.org \
--cc=jejb@linux.ibm.com \
--cc=john.garry@huawei.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=linuxarm@huawei.com \
--cc=martin.petersen@oracle.com \
--cc=maz@kernel.org \
--cc=rafael@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox