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Commit 8c90487c authored by Dave Jones's avatar Dave Jones Committed by H. Peter Anvin
Browse files

Rename TAINT_UNSAFE_SMP to TAINT_CPU_OUT_OF_SPEC 



Rename TAINT_UNSAFE_SMP to TAINT_CPU_OUT_OF_SPEC, so we can repurpose
the flag to encompass a wider range of pushing the CPU beyond its
warrany.

Signed-off-by: default avatarDave Jones <davej@fedoraproject.org>
Link: http://lkml.kernel.org/r/20140226154949.GA770@redhat.com


Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent 0b131be8

arch/x86/kernel/cpu/amd.c

+1 −1
Original line number Diff line number Diff line
@@ -218,7 +218,7 @@ static void amd_k7_smp_check(struct cpuinfo_x86 *c) 
	 */

	WARN_ONCE(1, "WARNING: This combination of AMD"

		" processors is not suitable for SMP.\n");

	add_taint(TAINT_UNSAFE_SMP, LOCKDEP_NOW_UNRELIABLE);

	add_taint(TAINT_CPU_OUT_OF_SPEC, LOCKDEP_NOW_UNRELIABLE);

}



static void init_amd_k7(struct cpuinfo_x86 *c)

include/linux/kernel.h

+1 −1
Original line number Diff line number Diff line
@@ -458,7 +458,7 @@ extern enum system_states { 


#define TAINT_PROPRIETARY_MODULE	0

#define TAINT_FORCED_MODULE		1

#define TAINT_UNSAFE_SMP		2

#define TAINT_CPU_OUT_OF_SPEC		2

#define TAINT_FORCED_RMMOD		3

#define TAINT_MACHINE_CHECK		4

#define TAINT_BAD_PAGE			5

kernel/module.c

+1 −1
Original line number Diff line number Diff line
@@ -1015,7 +1015,7 @@ static size_t module_flags_taint(struct module *mod, char *buf) 
		buf[l++] = 'C';

	/*

	 * TAINT_FORCED_RMMOD: could be added.

	 * TAINT_UNSAFE_SMP, TAINT_MACHINE_CHECK, TAINT_BAD_PAGE don't

	 * TAINT_CPU_OUT_OF_SPEC, TAINT_MACHINE_CHECK, TAINT_BAD_PAGE don't

	 * apply to modules.

	 */

	return l;

kernel/panic.c

+1 −1
Original line number Diff line number Diff line
@@ -199,7 +199,7 @@ struct tnt { 
static const struct tnt tnts[] = {

	{ TAINT_PROPRIETARY_MODULE,	'P', 'G' },

	{ TAINT_FORCED_MODULE,		'F', ' ' },

	{ TAINT_UNSAFE_SMP,		'S', ' ' },

	{ TAINT_CPU_OUT_OF_SPEC,	'S', ' ' },

	{ TAINT_FORCED_RMMOD,		'R', ' ' },

	{ TAINT_MACHINE_CHECK,		'M', ' ' },

	{ TAINT_BAD_PAGE,		'B', ' ' },