Re: [PATCH] megaraid_sas: fixup MSIx interrupt setup during resume

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To: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
Subject: Re: [PATCH] megaraid_sas: fixup MSIx interrupt setup during resume
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Mon, 20 Jan 2020 23:55:47 -0500
Cc: Hannes Reinecke <hare@xxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, James Bottomley <james.bottomley@xxxxxxxxxxxxxxxxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx
In-reply-to: <20200113132609.69536-1-hare@suse.de> (Hannes Reinecke's message of "Mon, 13 Jan 2020 14:26:09 +0100")
Organization: Oracle Corporation
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (gnu/linux)

Sumit,

> Streamline resume workflow by using the same functions for enabling
> MSIx interrupts as used during initialisation.
> Without it the driver might crash during resume with:
>
> WARNING: CPU: 2 PID: 4306 at ../drivers/pci/msi.c:1303 pci_irq_get_affinity+0x3b/0x90

Please review!

-- 
Martin K. Petersen	Oracle Linux Engineering

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References:
- [PATCH] megaraid_sas: fixup MSIx interrupt setup during resume
  - From: Hannes Reinecke

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