From: Marc Zyngier <maz@kernel.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
x86@kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
linux-pci@vger.kernel.org, Keith Busch <kbusch@kernel.org>,
Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@linux.intel.com>
Subject: Re: [patch 4/7] genirq: Add return value to check_irq_resend()
Date: Fri, 06 Mar 2020 13:44:31 +0000 [thread overview]
Message-ID: <5611ae0ee3a4f6c95cafc4fd782c111a@kernel.org> (raw)
In-Reply-To: <20200306130623.775200917@linutronix.de>
On 2020-03-06 13:03, Thomas Gleixner wrote:
> In preparation for an interrupt injection interface which can be used
> safely by error injection mechanisms. e.g. PCI-E/ AER, add a return
> value
> to check_irq_resend() so errors can be propagated to the caller.
>
> Split out the software resend code so the ugly #ifdef in
> check_irq_resend()
> goes away and the whole thing becomes readable.
>
> Fix up the caller in debugfs. The caller in irq_startup() does not care
> about the return value as this is unconditionally invoked for all
> interrupts and the resend is best effort anyway.
>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Marc Zyngier <maz@kernel.org>
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2020-03-06 13:44 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-06 13:03 [patch 0/7] genirq/PCI: Sanitize interrupt injection Thomas Gleixner
2020-03-06 13:03 ` [patch 1/7] genirq/debugfs: Add missing sanity checks to " Thomas Gleixner
2020-03-06 13:15 ` Marc Zyngier
2020-03-06 13:03 ` [patch 2/7] genirq: Add protection against unsafe usage of generic_handle_irq() Thomas Gleixner
2020-03-06 13:36 ` Marc Zyngier
2020-03-06 13:03 ` [patch 3/7] x86/apic/vector: Force interupt handler invocation to irq context Thomas Gleixner
2020-03-06 13:03 ` [patch 4/7] genirq: Add return value to check_irq_resend() Thomas Gleixner
2020-03-06 13:44 ` Marc Zyngier [this message]
2020-03-06 13:03 ` [patch 5/7] genirq: Sanitize state handling in check_irq_resend() Thomas Gleixner
2020-03-06 13:46 ` Marc Zyngier
2020-03-06 13:03 ` [patch 6/7] genirq: Provide interrupt injection mechanism Thomas Gleixner
2020-03-06 13:52 ` Marc Zyngier
2020-03-06 18:34 ` Kuppuswamy Sathyanarayanan
2020-03-06 13:03 ` [patch 7/7] PCI/AER: Fix the broken interrupt injection Thomas Gleixner
2020-03-06 18:32 ` Kuppuswamy Sathyanarayanan
2020-03-06 19:29 ` Kuppuswamy Sathyanarayanan
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