From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Vaibhav Jain <vaibhav@linux.ibm.com>,
linux-nvdimm@lists.01.org, linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>,
"Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>,
Shivaprasad G Bhat <sbhat@linux.ibm.com>
Subject: Re: [PATCH] powerpc/papr_scm: Mark nvdimm as unarmed if needed during probe
Date: Fri, 30 Apr 2021 00:01:27 +1000 [thread overview]
Message-ID: <161970488717.4033873.11862743130806736936.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20210329113103.476760-1-vaibhav@linux.ibm.com>
On Mon, 29 Mar 2021 17:01:03 +0530, Vaibhav Jain wrote:
> In case an nvdimm is found to be unarmed during probe then set its
> NDD_UNARMED flag before nvdimm_create(). This would enforce a
> read-only access to the ndimm region. Presently even if an nvdimm is
> unarmed its not marked as read-only on ppc64 guests.
>
> The patch updates papr_scm_nvdimm_init() to force query of nvdimm
> health via __drc_pmem_query_health() and if nvdimm is found to be
> unarmed then set the nvdimm flag ND_UNARMED for nvdimm_create().
Applied to powerpc/next.
[1/1] powerpc/papr_scm: Mark nvdimm as unarmed if needed during probe
https://git.kernel.org/powerpc/c/adb68c38d8d49a3d60805479c558649bb2182473
cheers
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prev parent reply other threads:[~2021-04-29 14:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-29 11:31 [PATCH] powerpc/papr_scm: Mark nvdimm as unarmed if needed during probe Vaibhav Jain
2021-03-30 5:03 ` Aneesh Kumar K.V
2021-04-29 14:01 ` Michael Ellerman [this message]
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