Re: [PATCH v3 1/4] acpi: nfit: Add support for detect platform CPU cache flush on power loss

2018-01-30 Thread Ross Zwisler
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

[PATCH v3 1/4] acpi: nfit: Add support for detect platform CPU cache flush on power loss

2018-01-30 Thread Dave Jiang
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