linux-kernel - Re: Final per cpu consistency patch for -next or late in 3.19 merge period

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Message-ID: <alpine.DEB.2.11.1412021133170.19228@gentwo.org>
Date:	Tue, 2 Dec 2014 11:34:28 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	Tejun Heo <htejun@...il.com>
cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	James.Bottomley@...senPartnership.com
Subject: Re: Final per cpu consistency patch for -next or late in 3.19 merge
 period

On Tue, 2 Dec 2014, Tejun Heo wrote:

> Sure, I just wanna make sure we don't have dangling references to
> __get_cpu_var() which no longer exists.  There are also a couple
> places where comment text refers to it.  Let's please take care of
> them too.

And the last one: PARISC


From: Christoph Lameter <cl@...ux.com>
Subject: parisc: Update comments refereing to __get_cpu_var

__get_cpu_var was removed. Update comments to refer to
this_cpu_ptr() instead.

Cc: "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>
Signed-off-by: Christoph Lameter <cl@...ux.com>

Index: linux/arch/parisc/lib/fixup.S
===================================================================
--- linux.orig/arch/parisc/lib/fixup.S
+++ linux/arch/parisc/lib/fixup.S
@@ -38,14 +38,14 @@
 	LDREGX \t2(\t1),\t2
 	addil LT%exception_data,%r27
 	LDREG RT%exception_data(%r1),\t1
-	/* t1 = &__get_cpu_var(exception_data) */
+	/* t1 = this_cpu_ptr(&exception_data) */
 	add,l \t1,\t2,\t1
 	/* t1 = t1->fault_ip */
 	LDREG EXCDATA_IP(\t1), \t1
 	.endm
 #else
 	.macro  get_fault_ip t1 t2
-	/* t1 = &__get_cpu_var(exception_data) */
+	/* t1 = this_cpu_ptr(&exception_data) */
 	addil LT%exception_data,%r27
 	LDREG RT%exception_data(%r1),\t2
 	/* t1 = t2->fault_ip */

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