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From: "Luis R. Rodriguez" <mcgrof@do-not-panic.com>
To: luto@amacapital.net, mingo@redhat.com, tglx@linutronix.de,
	hpa@zytor.com, jgross@suse.com, JBeulich@suse.com, bp@suse.de,
	suresh.b.siddha@intel.com, venkatesh.pallipadi@intel.com,
	airlied@redhat.com
Cc: linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org,
	x86@kernel.org, xen-devel@lists.xenproject.org,
	"Luis R. Rodriguez" <mcgrof@suse.com>,
	Ingo Molnar <mingo@elte.hu>,
	Daniel Vetter <daniel.vetter@ffwll.ch>,
	Antonino Daplas <adaplas@gmail.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
	Tomi Valkeinen <tomi.valkeinen@ti.com>
Subject: [PATCH v1 47/47] mtrr: bury MTRR - unexport mtrr_add() and mtrr_del()
Date: Fri, 20 Mar 2015 23:18:37 +0000	[thread overview]
Message-ID: <1426893517-2511-48-git-send-email-mcgrof@do-not-panic.com> (raw)
In-Reply-To: <1426893517-2511-1-git-send-email-mcgrof@do-not-panic.com>

From: "Luis R. Rodriguez" <mcgrof@suse.com>

The crusade to replace mtrr_add() with architecture agnostic
arch_phys_wc_add() is complete, this will ensure write-combining
implementations (PAT on x86) is taken advantage instead of using
MTRR. With the crusade done now, hide direct MTRR access for
drivers.

Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Juergen Gross <jgross@suse.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Antonino Daplas <adaplas@gmail.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
---
 arch/x86/kernel/cpu/mtrr/main.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index b68b671..f0e19db 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -446,7 +446,6 @@ int mtrr_add(unsigned long base, unsigned long size, unsigned int type,
 	return mtrr_add_page(base >> PAGE_SHIFT, size >> PAGE_SHIFT, type,
 			     increment);
 }
-EXPORT_SYMBOL(mtrr_add);
 
 /**
  * mtrr_del_page - delete a memory type region
@@ -535,7 +534,6 @@ int mtrr_del(int reg, unsigned long base, unsigned long size)
 		return -EINVAL;
 	return mtrr_del_page(reg, base >> PAGE_SHIFT, size >> PAGE_SHIFT);
 }
-EXPORT_SYMBOL(mtrr_del);
 
 /**
  * __arch_phys_wc_add - add a WC MTRR even if PAT is available
-- 
2.3.2.209.gd67f9d5.dirty


  parent reply	other threads:[~2015-03-20 23:18 UTC|newest]

Thread overview: 110+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-20 23:17 [PATCH v1 00/47] mtrr/x86/drivers: bury MTRR Luis R. Rodriguez
2015-03-20 23:17 ` [PATCH v1 01/47] x86: mtrr: annotate mtrr_type_lookup() is only implemented on generic_mtrr_ops Luis R. Rodriguez
2015-03-20 23:17 ` [PATCH v1 02/47] x86: mtrr: generalize run time disabling of MTRR Luis R. Rodriguez
2015-03-25 19:59   ` Konrad Rzeszutek Wilk
2015-03-26  4:38     ` Juergen Gross
2015-03-26 23:35     ` Luis R. Rodriguez
2015-04-02 20:13       ` Bjorn Helgaas
2015-04-02 20:20         ` Luis R. Rodriguez
2015-04-02 20:28           ` Bjorn Helgaas
2015-04-02 21:02             ` Luis R. Rodriguez
2015-04-02 22:09               ` Bjorn Helgaas
2015-04-02 22:12                 ` [Xen-devel] " Luis R. Rodriguez
2015-03-27 20:40   ` Toshi Kani
2015-03-27 23:56     ` Luis R. Rodriguez
2015-04-02 21:49       ` Luis R. Rodriguez
2015-04-02 23:52         ` Toshi Kani
2015-04-03  1:08           ` Luis R. Rodriguez
2015-03-20 23:17 ` [PATCH v1 03/47] devres: add devm_ioremap_wc() Luis R. Rodriguez
2015-03-20 23:49   ` Andy Lutomirski
2015-03-25 19:50     ` Luis R. Rodriguez
2015-03-20 23:17 ` [PATCH v1 04/47] pci: add pci_ioremap_wc_bar() Luis R. Rodriguez
2015-03-20 23:50   ` Andy Lutomirski
2015-03-25 20:06     ` Luis R. Rodriguez
2015-03-25 20:03   ` [Xen-devel] " Konrad Rzeszutek Wilk
2015-03-25 20:39     ` Luis R. Rodriguez
2015-03-20 23:17 ` [PATCH v1 05/47] pci: add pci_iomap_wc() variants Luis R. Rodriguez
2015-03-23 17:20   ` Bjorn Helgaas
2015-03-26  3:00     ` Luis R. Rodriguez
2015-03-27 19:18     ` Toshi Kani
2015-04-21 19:25     ` Michael S. Tsirkin
2015-04-21 19:27       ` Luis R. Rodriguez
2015-03-25 20:07   ` Konrad Rzeszutek Wilk
2015-03-27 18:40     ` Luis R. Rodriguez
2015-03-20 23:17 ` [PATCH v1 06/47] mtrr: add __arch_phys_wc_add() Luis R. Rodriguez
2015-03-20 23:48   ` Andy Lutomirski
2015-03-27 19:53     ` Luis R. Rodriguez
2015-03-27 19:58       ` Andy Lutomirski
2015-03-27 20:30         ` Luis R. Rodriguez
2015-03-27 21:23           ` Andy Lutomirski
2015-03-27 23:04             ` Luis R. Rodriguez
2015-03-27 23:10               ` Andy Lutomirski
2015-03-27 23:33                 ` Luis R. Rodriguez
2015-04-02 20:21   ` Bjorn Helgaas
2015-04-02 20:55     ` Luis R. Rodriguez
2015-04-02 22:35       ` Bjorn Helgaas
2015-04-02 22:54         ` Luis R. Rodriguez
2015-03-20 23:17 ` [PATCH v1 07/47] video: fbdev: atyfb: move framebuffer length fudging to helper Luis R. Rodriguez
2015-03-20 23:17 ` [PATCH v1 08/47] video: fbdev: atyfb: clarify ioremap() base and length used Luis R. Rodriguez
2015-03-20 23:17 ` [PATCH v1 09/47] vidoe: fbdev: atyfb: remove and fix MTRR MMIO "hole" work around Luis R. Rodriguez
2015-03-20 23:52   ` Andy Lutomirski
2015-03-27 20:12     ` Luis R. Rodriguez
2015-03-27 21:21       ` Andy Lutomirski
2015-03-27 23:31         ` Luis R. Rodriguez
2015-03-21  9:15   ` Ville Syrjälä
2015-03-27  8:37     ` Ville Syrjälä
2015-03-27 19:38       ` Luis R. Rodriguez
2015-03-27 19:38     ` Luis R. Rodriguez
2015-03-27 19:43       ` Andy Lutomirski
2015-03-27 19:57         ` Luis R. Rodriguez
2015-03-27 21:56           ` Ville Syrjälä
2015-03-27 22:02             ` Andy Lutomirski
2015-03-28  0:28               ` Luis R. Rodriguez
2015-03-28 12:23                 ` Ville Syrjälä
2015-04-01 23:52                   ` Luis R. Rodriguez
2015-04-02  0:04                     ` Andy Lutomirski
2015-04-02 19:45                       ` Luis R. Rodriguez
2015-04-02 19:50                         ` Andy Lutomirski
2015-03-28  0:21             ` Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 10/47] video: fbdev: atyfb: use arch_phys_wc_add() and ioremap_wc() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 11/47] IB/qib: add acounting for MTRR Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 12/47] IB/qib: use arch_phys_wc_add() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 13/47] IB/ipath: add counting for MTRR Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 14/47] IB/ipath: use __arch_phys_wc_add() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 15/47] [media] media: ivtv: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 16/47] fusion: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 17/47] video: fbdev: vesafb: only support MTRR_TYPE_WRCOMB Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 18/47] vidoe: fbdev: vesafb: add missing mtrr_del() for added MTRR Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 19/47] video: fbdev: vesafb: use arch_phys_wc_add() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 20/47] mtrr: avoid ifdef'ery with phys_wc_to_mtrr_index() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 21/47] ethernet: myri10ge: use arch_phys_wc_add() Luis R. Rodriguez
2015-03-21  7:08   ` Hyong-Youb Kim
2015-03-27 20:36     ` Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 22/47] staging: sm750fb: use arch_phys_wc_add() and ioremap_wc() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 23/47] staging: xgifb: " Luis R. Rodriguez
2015-04-30 17:40   ` Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 24/47] video: fbdev: arkfb: use arch_phys_wc_add() and pci_iomap_wc() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 25/47] video: fbdev: radeonfb: use arch_phys_wc_add() and ioremap_wc() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 26/47] video: fbdev: gbefb: add missing mtrr_del() calls Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 27/47] video: fbdev: gbefb: use arch_phys_wc_add() and devm_ioremap_wc() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 28/47] video: fbdev: intelfb: use arch_phys_wc_add() and ioremap_wc() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 29/47] video: fbdev: matrox: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 30/47] video: fbdev: neofb: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 31/47] video: fbdev: s3fb: use arch_phys_wc_add() and pci_iomap_wc() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 32/47] video: fbdev: nvidia: use arch_phys_wc_add() and ioremap_wc() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 33/47] video: fbdev: savagefb: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 34/47] video: fbdev: sisfb: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 35/47] video: fbdev: aty: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 36/47] video: fbdev: i810: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 37/47] video: fbdev: i740fb: use arch_phys_wc_add() and pci_ioremap_wc_bar() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 38/47] video: fbdev: kyrofb: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 39/47] video: fbdev: pm2fb: use arch_phys_wc_add() and ioremap_wc() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 40/47] video: fbdev: pm3fb: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 41/47] video: fbdev: rivafb: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 42/47] video: fbdev: tdfxfb: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 43/47] video: fbdev: vt8623fb: use arch_phys_wc_add() and pci_iomap_wc() Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 44/47] video: fbdev: atmel_lcdfb: use ioremap_wc() for framebuffer Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 45/47] video: fbdev: geode gxfb: " Luis R. Rodriguez
2015-03-20 23:18 ` [PATCH v1 46/47] video: fbdev: gxt4500: use pci_ioremap_wc_bar() " Luis R. Rodriguez
2015-03-20 23:18 ` Luis R. Rodriguez [this message]
2015-03-21  1:08 ` [PATCH v1 00/47] mtrr/x86/drivers: bury MTRR Andy Lutomirski

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