mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Keith Busch <kbusch@kernel.org>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Keith Busch <kbusch@meta.com>,
	tglx@kernel.org, bhelgaas@google.com, maz@kernel.org,
	lrizzo@google.com, hch@lst.de, changfengnan@bytedance.com,
	namjain@linux.microsoft.com, linux-kernel@vger.kernel.org,
	linux-pci@vger.kernel.org, linux-nvme@lists.infradead.org
Subject: Re: [PATCH 2/2] PCI/MSI: Implement irq_mask_noflush() for MSI-x
Date: Thu, 5 Nov 2026 14:34:44 -0700	[thread overview]
Message-ID: <auz2dGjVIBgiMNBS@kbusch-mbp> (raw)
In-Reply-To: <20261105194116.GA1553387@bhelgaas>

On Thu, Nov 05, 2026 at 01:41:16PM -0600, Bjorn Helgaas wrote:
> On Thu, Nov 05, 2026 at 10:27:06AM -0800, Keith Busch wrote:
> > From: Keith Busch <kbusch@kernel.org>
> > 
> > Skip the read-back that flushes the MSI-x mask write. Parent domains
> > that mask on behalf of PCI/MSI keep using their own irq_mask().
> 
> When you respin it,
> 
> s/MSI-x/MSI-X/ to match spec usage

Oh, sorry, the messages crosses on the wire so the v2 retains the MSI-x
syntax. I can respin it, but don't want to rapid fire another version.

      reply	other threads:[~2026-11-05 21:34 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-05 18:27 [PATCH 0/2] genirq, PCI/MSI: mask without flushing Keith Busch
2026-11-05 18:27 ` [PATCH 1/2] genirq: Add disable_irq_noflush() Keith Busch
2026-11-05 18:27 ` [PATCH 2/2] PCI/MSI: Implement irq_mask_noflush() for MSI-x Keith Busch
2026-11-05 19:41   ` Bjorn Helgaas
2026-11-05 21:34     ` Keith Busch [this message]

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=auz2dGjVIBgiMNBS@kbusch-mbp \
    --to=kbusch@kernel.org \
    --cc=bhelgaas@google.com \
    --cc=changfengnan@bytedance.com \
    --cc=hch@lst.de \
    --cc=helgaas@kernel.org \
    --cc=kbusch@meta.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-nvme@lists.infradead.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=lrizzo@google.com \
    --cc=maz@kernel.org \
    --cc=namjain@linux.microsoft.com \
    --cc=tglx@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

all inboxes | Powered by JetHome®