linux-kernel - [RFC PATCHSET] x86, cpu: Clean up and unify the NOP selection infrastructure

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Message-Id: <1303166160-10315-1-git-send-email-hpa@linux.intel.com>
Date:	Mon, 18 Apr 2011 15:35:57 -0700
From:	"H. Peter Anvin" <hpa@...ux.intel.com>
To:	linux-kernel@...r.kernel.org
Cc:	Jason Baron <jbaron@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>, tglx@...utronix.de,
	mingo@...e.hu
Subject: [RFC PATCHSET] x86, cpu: Clean up and unify the NOP selection infrastructure

This is a RFC patchset to clean up and unify the NOP selection.  In
particular, this patchset gets rid of data structures built using
assembly, moves the selection of an atomic 5-byte NOP into the same
infrastructure as everything else, and does some small amount of 32-
vs. 64-bit unification.

Comments appreciated.

	[PATCH 1/3] x86, percpu: Use ASM_NOP4 instead of hardcoding P6_NOP4
	[PATCH 2/3] x86, cpu: Clean up and unify the NOP selection infrastructure
	[PATCH 3/3] x86, cpu: Change NOP selection for certain Intel CPUs
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