linux-kernel - Re: [PATCH v1 05/47] pci: add pci_iomap

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Message-ID: <CAB=NE6UVSQUu241_Onc7Ez-okanMnExcwtAy-KYKhSyH6TxNzQ@mail.gmail.com>
Date:	Tue, 21 Apr 2015 12:27:15 -0700
From:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Andy Lutomirski <luto@...capital.net>,
	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, Juergen Gross <jgross@...e.com>,
	Jan Beulich <JBeulich@...e.com>, Borislav Petkov <bp@...e.de>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	venkatesh.pallipadi@...el.com, Dave Airlie <airlied@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-fbdev <linux-fbdev@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>,
	"xen-devel@...ts.xenproject.org" <xen-devel@...ts.xenproject.org>,
	Ingo Molnar <mingo@...e.hu>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Antonino Daplas <adaplas@...il.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Arnd Bergmann <arnd@...db.de>,
	Stefan Bader <stefan.bader@...onical.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Ville Syrjälä <ville.syrjala@...ux.intel.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Toshi Kani <toshi.kani@...com>,
	Roger Pau Monné <roger.pau@...rix.com>,
	xen-devel <xen-devel@...ts.xensource.com>
Subject: Re: [PATCH v1 05/47] pci: add pci_iomap_wc() variants

On Tue, Apr 21, 2015 at 12:25 PM, Michael S. Tsirkin <mst@...hat.com> wrote:
> To summarise, driver needs to know what it's doing,
> we can't set WC in the pci core automatically.

Thanks, I'll document this and proceed with device driver helpers to
aid with this.

 Luis
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