* scsi: mpt3sas: fix memory ordering on 64bit writes
@ 2019-01-23 13:25 Stephan Günther
2019-01-23 16:59 ` Greg KH
0 siblings, 1 reply; 2+ messages in thread
From: Stephan Günther @ 2019-01-23 13:25 UTC (permalink / raw)
To: stable
Request to include the following patch into stable for linux-4.19 and
linux-4.20:
scsi: mpt3sas: fix memory ordering on 64bit writes
commit: 23c3828aa2f8
Commit 09c2f95ad404 introduced a bug apparent on powerpc64 systems
causing SAS HBAs relying on mpt3sas to drop from the PCIe bus under
load, rendering those devices virtually useless.
As linux-4.19 is a longterm kernel, the bug would affect those systems
for a long time otherwise.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: scsi: mpt3sas: fix memory ordering on 64bit writes
2019-01-23 13:25 scsi: mpt3sas: fix memory ordering on 64bit writes Stephan Günther
@ 2019-01-23 16:59 ` Greg KH
0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2019-01-23 16:59 UTC (permalink / raw)
To: Stephan Günther; +Cc: stable
On Wed, Jan 23, 2019 at 02:25:00PM +0100, Stephan Günther wrote:
> Request to include the following patch into stable for linux-4.19 and
> linux-4.20:
>
> scsi: mpt3sas: fix memory ordering on 64bit writes
> commit: 23c3828aa2f8
>
>
> Commit 09c2f95ad404 introduced a bug apparent on powerpc64 systems
> causing SAS HBAs relying on mpt3sas to drop from the PCIe bus under
> load, rendering those devices virtually useless.
>
> As linux-4.19 is a longterm kernel, the bug would affect those systems
> for a long time otherwise.
>
Looks like it is now queued up.
greg k-h
^ permalink raw reply [flat|nested] 2+ messages in thread
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2019-01-23 13:25 scsi: mpt3sas: fix memory ordering on 64bit writes Stephan Günther
2019-01-23 16:59 ` Greg KH
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