From: Ross Zwisler <ross.zwisler@linux.intel.com>
To: Dave Jiang <dave.jiang@intel.com>
Cc: dan.j.williams@intel.com, ross.zwisler@linux.intel.com,
linux-acpi@vger.kernel.org, linux-nvdimm@lists.01.org
Subject: Re: [PATCH v3 1/4] acpi: nfit: Add support for detect platform CPU cache flush on power loss
Date: Tue, 30 Jan 2018 17:13:40 -0700 [thread overview]
Message-ID: <20180131001340.GB27220@linux.intel.com> (raw)
In-Reply-To: <151735687346.34477.4956828815153494582.stgit@djiang5-desk3.ch.intel.com>
On Tue, Jan 30, 2018 at 05:01:13PM -0700, Dave Jiang wrote:
> In ACPI 6.2a the platform capability structure has been added to the NFIT
> tables. That provides software the ability to determine whether a system
> supports the auto flushing of CPU caches on power loss. If the capability
> is supported, we do not need to do dax_flush(). Plumbing the path to set the
> property on per region from the NFTI tables.
NFIT
>
> This patch depends on the ACPI NFIT 6.2a platform capabilities support code
> in include/acpi/actbl1.h.
>
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Looks good aside from the one nit.
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
WARNING: multiple messages have this Message-ID (diff)
From: Ross Zwisler <ross.zwisler@linux.intel.com>
To: Dave Jiang <dave.jiang@intel.com>
Cc: linux-acpi@vger.kernel.org, linux-nvdimm@lists.01.org
Subject: Re: [PATCH v3 1/4] acpi: nfit: Add support for detect platform CPU cache flush on power loss
Date: Tue, 30 Jan 2018 17:13:40 -0700 [thread overview]
Message-ID: <20180131001340.GB27220@linux.intel.com> (raw)
In-Reply-To: <151735687346.34477.4956828815153494582.stgit@djiang5-desk3.ch.intel.com>
On Tue, Jan 30, 2018 at 05:01:13PM -0700, Dave Jiang wrote:
> In ACPI 6.2a the platform capability structure has been added to the NFIT
> tables. That provides software the ability to determine whether a system
> supports the auto flushing of CPU caches on power loss. If the capability
> is supported, we do not need to do dax_flush(). Plumbing the path to set the
> property on per region from the NFTI tables.
NFIT
>
> This patch depends on the ACPI NFIT 6.2a platform capabilities support code
> in include/acpi/actbl1.h.
>
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Looks good aside from the one nit.
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
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next prev parent reply other threads:[~2018-01-31 0:13 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-31 0:01 [PATCH v3 0/4] add support for platform persistence capabilities Dave Jiang
2018-01-31 0:01 ` Dave Jiang
2018-01-31 0:01 ` [PATCH v3 1/4] acpi: nfit: Add support for detect platform CPU cache flush on power loss Dave Jiang
2018-01-31 0:01 ` Dave Jiang
2018-01-31 0:13 ` Ross Zwisler [this message]
2018-01-31 0:13 ` Ross Zwisler
2018-01-31 0:01 ` [PATCH v3 2/4] acpi: nfit: add persistent memory control flag for nd_region Dave Jiang
2018-01-31 0:01 ` Dave Jiang
2018-01-31 0:01 ` [PATCH v3 3/4] libnvdimm: expose platform persistence attribute " Dave Jiang
2018-01-31 0:01 ` Dave Jiang
[not found] ` <151735668391.34477.11820724492631561208.stgit-Cxk7aZI4ujnJARH06PadV2t3HXsI98Cx0E9HWUfgJXw@public.gmane.org>
2018-01-31 0:01 ` [PATCH v3 4/4] nfit-test: Add platform cap support from ACPI 6.2a to test Dave Jiang
2018-01-31 0:01 ` Dave Jiang
2018-01-31 0:15 ` Ross Zwisler
2018-01-31 0:15 ` Ross Zwisler
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