From: Thomas Gleixner <tglx@linutronix.de>
To: Johan Hovold <johan+linaro@kernel.org>, Marc Zyngier <maz@kernel.org>
Cc: x86@kernel.org, platform-driver-x86@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org,
linux-kernel@vger.kernel.org,
Johan Hovold <johan+linaro@kernel.org>,
Hsin-Yi Wang <hsinyi@chromium.org>,
Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Subject: Re: [PATCH v4 19/19] irqdomain: Switch to per-domain locking
Date: Tue, 17 Jan 2023 22:50:39 +0100 [thread overview]
Message-ID: <87mt6gkez4.ffs@tglx> (raw)
In-Reply-To: <20230116135044.14998-20-johan+linaro@kernel.org>
On Mon, Jan 16 2023 at 14:50, Johan Hovold wrote:
> The IRQ domain structures are currently protected by the global
> irq_domain_mutex. Switch to using more fine-grained per-domain locking,
> which may potentially speed up parallel probing somewhat.
Does it or not?
If not then why adding all this churn for no real value?
Thanks,
tglx
next prev parent reply other threads:[~2023-01-17 22:49 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-16 13:50 [PATCH v4 00/19] irqdomain: fix mapping race and clean up locking Johan Hovold
2023-01-16 13:50 ` [PATCH v4 01/19] irqdomain: Drop bogus fwspec-mapping error handling Johan Hovold
2023-01-17 21:17 ` Thomas Gleixner
2023-01-16 13:50 ` [PATCH v4 02/19] irqdomain: Drop dead domain-name assignment Johan Hovold
2023-01-17 21:18 ` Thomas Gleixner
2023-01-16 13:50 ` [PATCH v4 03/19] irqdomain: Drop leftover brackets Johan Hovold
2023-01-17 21:19 ` Thomas Gleixner
2023-01-18 9:05 ` Johan Hovold
2023-01-16 13:50 ` [PATCH v4 04/19] irqdomain: Fix association race Johan Hovold
2023-01-17 21:20 ` Thomas Gleixner
2023-01-16 13:50 ` [PATCH v4 05/19] irqdomain: Fix disassociation race Johan Hovold
2023-01-16 13:50 ` [PATCH v4 06/19] irqdomain: Drop revmap mutex Johan Hovold
2023-01-17 21:23 ` Thomas Gleixner
2023-01-18 9:22 ` Johan Hovold
2023-01-18 13:05 ` Thomas Gleixner
2023-01-18 13:10 ` Johan Hovold
2023-02-06 13:09 ` Thomas Gleixner
2023-02-06 17:10 ` Johan Hovold
2023-01-16 13:50 ` [PATCH v4 07/19] irqdomain: Look for existing mapping only once Johan Hovold
2023-01-17 21:34 ` Thomas Gleixner
2023-01-18 9:26 ` Johan Hovold
2023-02-09 13:00 ` Johan Hovold
2023-01-16 13:50 ` [PATCH v4 08/19] irqdomain: Refactor __irq_domain_alloc_irqs() Johan Hovold
2023-01-17 21:34 ` Thomas Gleixner
2023-01-18 9:30 ` Johan Hovold
2023-01-16 13:50 ` [PATCH v4 09/19] irqdomain: Fix mapping-creation race Johan Hovold
2023-01-17 21:39 ` Thomas Gleixner
2023-01-18 9:40 ` Johan Hovold
2023-02-09 13:08 ` Johan Hovold
2023-01-16 13:50 ` [PATCH v4 10/19] irqdomain: Clean up irq_domain_push/pop_irq() Johan Hovold
2023-01-16 13:50 ` [PATCH v4 11/19] x86/ioapic: Use irq_domain_create_hierarchy() Johan Hovold
2023-01-17 21:41 ` Thomas Gleixner
2023-01-18 10:31 ` Johan Hovold
2023-01-16 13:50 ` [PATCH v4 12/19] x86/apic: " Johan Hovold
2023-01-16 13:50 ` [PATCH v4 13/19] irqchip/alpine-msi: Use irq_domain_add_hierarchy() Johan Hovold
2023-01-16 13:50 ` [PATCH v4 14/19] irqchip/gic-v2m: Use irq_domain_create_hierarchy() Johan Hovold
2023-01-16 13:50 ` [PATCH v4 15/19] irqchip/gic-v3-its: " Johan Hovold
2023-01-16 13:50 ` [PATCH v4 16/19] irqchip/gic-v3-mbi: " Johan Hovold
2023-01-16 13:50 ` [PATCH v4 17/19] irqchip/loongson-pch-msi: " Johan Hovold
2023-01-16 13:50 ` [PATCH v4 18/19] irqchip/mvebu-odmi: " Johan Hovold
2023-01-16 13:50 ` [PATCH v4 19/19] irqdomain: Switch to per-domain locking Johan Hovold
2023-01-17 21:50 ` Thomas Gleixner [this message]
2023-01-18 9:51 ` Johan Hovold
2023-01-18 13:09 ` Thomas Gleixner
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