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From: Kemeng Shi <shikemeng@huaweicloud.com>
To: Marc Zyngier <maz@kernel.org>
Cc: tglx@kernel.org, lpieralisi@kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 4/6] irqchip/gic-v3-its: Add ITS address info in more error logs
Date: Fri, 3 Jul 2026 09:45:19 +0800	[thread overview]
Message-ID: <5140126d-ea86-4532-9ee3-33b98a064d1e@huaweicloud.com> (raw)
In-Reply-To: <87h5mh6o1q.wl-maz@kernel.org>

在 2026/7/3 6:10:09, Marc Zyngier 写道:
> On Thu, 02 Jul 2026 04:30:48 +0100,
> Kemeng Shi <shikemeng@huaweicloud.com> wrote:
>>
>> Multiple ITS units may exist in a system. When an error occurs, it is
>> difficult to identify which ITS triggered it because most error logs
>> lack the ITS address. Some logs already include this information and
>> is useful for debugging. Add the ITS address to the remaining error
>> logs so that all ITS-related errors can be consistently attributed to
>> a specific ITS instance.
> 
> I already said *no* to this.
> 
> If you want to log errors, implement a PMU or RAS driver that reports
> errors on a per ITS basis, in a way that is collectable by existing
> tooling.
> 
> The kernel log is not the place for your sorry debug hacks, which is
> in general not readable by normal users. And I'd rather remove the
> other instances as a matter of consistency.
> 
Will drop this in next version...> 	M.
> 


  reply	other threads:[~2026-07-03  1:45 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-02  3:30 [PATCH v4 0/6] Some Minor fixes and cleanups to irqchip/gic-v3-its Kemeng Shi
2026-07-02  3:30 ` [PATCH v4 1/6] irqchip/gic-v3-its: Fix memleak in its_probe_one() Kemeng Shi
2026-07-04 14:51   ` Radu Rendec
2026-07-07 20:54   ` [tip: irq/drivers] " tip-bot2 for Kemeng Shi
2026-07-02  3:30 ` [PATCH v4 2/6] irqchip/gic-v3-its: Fix its node leak in gic_acpi_parse_madt_its() Kemeng Shi
2026-07-04 15:08   ` Radu Rendec
2026-07-07 20:54   ` [tip: irq/drivers] " tip-bot2 for Kemeng Shi
2026-07-02  3:30 ` [PATCH v4 3/6] irqchip/gic-v3-its: Fix leak in its_vpe_irq_domain_alloc() Kemeng Shi
2026-07-02 22:12   ` Marc Zyngier
2026-07-03  1:44     ` Kemeng Shi
2026-07-06  8:36       ` Marc Zyngier
2026-07-13 12:11         ` Kemeng Shi
2026-07-13 13:05         ` Kemeng Shi
2026-07-13 20:58           ` Marc Zyngier
2026-07-02  3:30 ` [PATCH v4 4/6] irqchip/gic-v3-its: Add ITS address info in more error logs Kemeng Shi
2026-07-02 22:10   ` Marc Zyngier
2026-07-03  1:45     ` Kemeng Shi [this message]
2026-07-02  3:30 ` [PATCH v4 5/6] irqchip/gic-v3-its: Fix grammar and replace a bit number with its symbol Kemeng Shi
2026-07-04 15:37   ` Radu Rendec
2026-07-13 12:07     ` Kemeng Shi
2026-07-02  3:30 ` [PATCH v4 6/6] irqchip/gic-v3-its: Remove redundant check in its_vpe_db_proxy_unmap_locked() Kemeng Shi
2026-07-04 16:32   ` Radu Rendec
2026-07-06  8:31     ` Marc Zyngier
2026-07-13 12:08     ` Kemeng Shi

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