Messages in this thread | | | Date | Fri, 22 May 2015 09:01:34 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH v9 2/10] x86, mm, pat: Change reserve_memtype() for WT |
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On Wed, 13 May 2015, Toshi Kani wrote:
> This patch changes reserve_memtype() to support the WT cache mode > with PAT. When PAT is not enabled, WB and UC- are the only types > supported. > > When a target range is in RAM, reserve_ram_pages_type() verifies > the requested type. reserve_ram_pages_type() is changed to fail > WT and WP requests with -EINVAL since set_page_memtype() is > limited to handle three types, WB, WC and UC-. > > Signed-off-by: Toshi Kani <toshi.kani@hp.com> > Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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