From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: james.bottomley@hansenpartnership.com,
Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Cc: "Martin K . Petersen" <martin.petersen@oracle.com>,
brking@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org,
linux-scsi@vger.kernel.org
Subject: Re: [PATCH] ibmvscsi: use GFP_KERNEL with dma_alloc_coherent in initialize_event_pool
Date: Wed, 20 Oct 2021 23:42:51 -0400 [thread overview]
Message-ID: <163478764103.7011.14545287284915195720.b4-ty@oracle.com> (raw)
In-Reply-To: <1547089149-20577-1-git-send-email-tyreld@linux.vnet.ibm.com>
On Wed, 9 Jan 2019 18:59:09 -0800, Tyrel Datwyler wrote:
> During driver probe we allocate a dma region for our event pool.
> Currently, zero is passed for the gfp_flags parameter. Driver probe
> callbacks run in process context and we hold no locks so we can sleep
> here if necessary.
>
> Fix by passing GFP_KERNEL explicitly to dma_alloc_coherent().
>
> [...]
Applied to 5.16/scsi-queue, thanks!
[1/1] ibmvscsi: use GFP_KERNEL with dma_alloc_coherent in initialize_event_pool
https://git.kernel.org/mkp/scsi/c/3319a8ba82b9
--
Martin K. Petersen Oracle Linux Engineering
WARNING: multiple messages have this Message-ID (diff)
From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: james.bottomley@hansenpartnership.com,
Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Cc: brking@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org,
linux-scsi@vger.kernel.org,
"Martin K . Petersen" <martin.petersen@oracle.com>
Subject: Re: [PATCH] ibmvscsi: use GFP_KERNEL with dma_alloc_coherent in initialize_event_pool
Date: Wed, 20 Oct 2021 23:42:51 -0400 [thread overview]
Message-ID: <163478764103.7011.14545287284915195720.b4-ty@oracle.com> (raw)
In-Reply-To: <1547089149-20577-1-git-send-email-tyreld@linux.vnet.ibm.com>
On Wed, 9 Jan 2019 18:59:09 -0800, Tyrel Datwyler wrote:
> During driver probe we allocate a dma region for our event pool.
> Currently, zero is passed for the gfp_flags parameter. Driver probe
> callbacks run in process context and we hold no locks so we can sleep
> here if necessary.
>
> Fix by passing GFP_KERNEL explicitly to dma_alloc_coherent().
>
> [...]
Applied to 5.16/scsi-queue, thanks!
[1/1] ibmvscsi: use GFP_KERNEL with dma_alloc_coherent in initialize_event_pool
https://git.kernel.org/mkp/scsi/c/3319a8ba82b9
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2021-10-21 3:43 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-10 2:59 [PATCH] ibmvscsi: use GFP_KERNEL with dma_alloc_coherent in initialize_event_pool Tyrel Datwyler
2019-01-10 14:56 ` Brian King
2021-10-14 23:15 ` Tyrel Datwyler
2021-10-14 23:15 ` Tyrel Datwyler
2021-10-15 4:36 ` Michael Ellerman
2021-10-15 4:36 ` Michael Ellerman
2021-10-15 19:37 ` Tyrel Datwyler
2021-10-15 19:37 ` Tyrel Datwyler
2021-10-17 2:20 ` Martin K. Petersen
2021-10-17 2:20 ` Martin K. Petersen
2021-10-21 3:42 ` Martin K. Petersen [this message]
2021-10-21 3:42 ` Martin K. Petersen
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