Bug 12766

Summary:	Lots of smp_processor_id() in preemptible messages
Product:	Platform Specific/Hardware	Reporter:	Rafael J. Wysocki (rjw)
Component:	i386	Assignee:	platform_i386
Status:	CLOSED CODE_FIX
Severity:	normal
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	2.6.28.7	Subsystem:
Regression:	Yes	Bisected commit-id:
Bug Depends on:
Bug Blocks:	12398

Description Rafael J. Wysocki 2009-02-23 15:49:38 UTC

Subject    : [2.6.28.7] BUG: using smp_processor_id() in preemptible [00000000] code: pageattr-test/207
Submitter  : Tilman Schmidt <t.schmidt@phoenixsoftware.de>
Date       : 2009-02-23 18:37
References : http://marc.info/?l=linux-kernel&m=123541536414019&w=4

This entry is being used for tracking a regression from 2.6.28.  Please don't
close it until the problem is fixed in the mainline.

Presumably caused by:

commit 4f06b0436b2ddbd3b67b10e77098a6862787b3eb
Author: Jeremy Fitzhardinge <jeremy@goop.org>
Date:   Wed Feb 11 09:32:19 2009 -0800

    x86/cpa: make sure cpa is safe to call in lazy mmu mode

    Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
    Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
    Cc: Stable Kernel <stable@kernel.org>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>

Comment 1 Rafael J. Wysocki 2009-02-23 17:41:53 UTC

Fixed by commit d85cf93da66977dbc645352be1b2084a659d8a0b .