The Linux Kernel Mailing List
 help / color / mirror / Atom feed
From: Nicolin Chen <nicolinc@nvidia.com>
To: Pranjal Shrivastava <praan@google.com>
Cc: <will@kernel.org>, <robin.murphy@arm.com>, <jgg@nvidia.com>,
	<joro@8bytes.org>, <kees@kernel.org>, <baolu.lu@linux.intel.com>,
	<kevin.tian@intel.com>, <miko.lenczewski@arm.com>,
	<smostafa@google.com>, <linux-arm-kernel@lists.infradead.org>,
	<iommu@lists.linux.dev>, <linux-kernel@vger.kernel.org>,
	<stable@vger.kernel.org>, <jamien@nvidia.com>
Subject: Re: [PATCH rc v6 3/7] iommu/arm-smmu-v3: Do not enable EVTQ/PRIQ interrupts in kdump kernel
Date: Mon, 29 Jun 2026 22:36:18 -0700	[thread overview]
Message-ID: <akNV0vxHEgiuZSEZ@nvidia.com> (raw)
In-Reply-To: <akNM5peYovV3GdV4@google.com>

On Tue, Jun 30, 2026 at 04:58:14AM +0000, Pranjal Shrivastava wrote:
> is_kdump_kernel() ? 0 : IRQF_ONESHOT, note that devm_request_irq is just:
> 
> static inline int __must_check
> devm_request_irq(struct device *dev, unsigned int irq, irq_handler_t handler,
> 		 unsigned long irqflags, const char *devname, void *dev_id)
> {
> 	return devm_request_threaded_irq(dev, irq, handler, NULL, irqflags | IRQF_COND_ONESHOT,
> 					 devname, dev_id);
> }
> 
> Not a strong opinion though, just suggesting a way to remove the if.

I've thought about that but kept the if-else on purpose:
 - Using two ternaries doesn't seem a common practice to me.
 - request_threaded_irq doesn't read as clean as request_irq
   for GERROR to use -- one could wonder why "threaded".

Thanks
Nicolin

  parent reply	other threads:[~2026-06-30  5:36 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-20 17:03 [PATCH rc v6 0/7] iommu/arm-smmu-v3: Fix device crash on kdump kernel Nicolin Chen
2026-05-20 17:03 ` [PATCH rc v6 1/7] iommu/arm-smmu-v3: Add arm_smmu_kdump_adopt_strtab() for kdump Nicolin Chen
2026-06-28 23:00   ` Pranjal Shrivastava
2026-06-29  4:01     ` Nicolin Chen
2026-05-20 17:03 ` [PATCH rc v6 2/7] iommu/arm-smmu-v3: Implement is_attach_deferred() " Nicolin Chen
2026-06-28 23:06   ` Pranjal Shrivastava
2026-05-20 17:03 ` [PATCH rc v6 3/7] iommu/arm-smmu-v3: Do not enable EVTQ/PRIQ interrupts in kdump kernel Nicolin Chen
2026-06-29  8:48   ` Pranjal Shrivastava
2026-06-30  4:14     ` Nicolin Chen
2026-06-30  4:58       ` Pranjal Shrivastava
2026-06-30  5:00         ` Pranjal Shrivastava
2026-06-30  5:36         ` Nicolin Chen [this message]
2026-05-20 17:03 ` [PATCH rc v6 4/7] iommu/arm-smmu-v3: Skip EVTQ/PRIQ setup " Nicolin Chen
2026-06-29 15:15   ` Pranjal Shrivastava
2026-06-30  4:17     ` Nicolin Chen
2026-06-30  5:01       ` Pranjal Shrivastava
2026-05-20 17:03 ` [PATCH rc v6 5/7] iommu/arm-smmu-v3: Retain CR0_SMMUEN during kdump device reset Nicolin Chen
2026-06-29 16:24   ` Pranjal Shrivastava
2026-05-20 17:03 ` [PATCH rc v6 6/7] iommu/arm-smmu-v3: Skip RMR bypass for kdump adoption Nicolin Chen
2026-06-29 16:28   ` Pranjal Shrivastava
2026-05-20 17:03 ` [PATCH rc v6 7/7] iommu/arm-smmu-v3: Detect ARM_SMMU_OPT_KDUMP_ADOPT in probe() Nicolin Chen
2026-06-29 16:40   ` Pranjal Shrivastava
2026-06-30  4:19     ` Nicolin Chen

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=akNV0vxHEgiuZSEZ@nvidia.com \
    --to=nicolinc@nvidia.com \
    --cc=baolu.lu@linux.intel.com \
    --cc=iommu@lists.linux.dev \
    --cc=jamien@nvidia.com \
    --cc=jgg@nvidia.com \
    --cc=joro@8bytes.org \
    --cc=kees@kernel.org \
    --cc=kevin.tian@intel.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=miko.lenczewski@arm.com \
    --cc=praan@google.com \
    --cc=robin.murphy@arm.com \
    --cc=smostafa@google.com \
    --cc=stable@vger.kernel.org \
    --cc=will@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