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Date: Fri, 19 Nov 2010 14:00:46 -0800 From: Greg KH <gregkh@...e.de> To: linux-kernel@...r.kernel.org, stable@...nel.org Cc: stable-review@...nel.org, torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Len Brown <len.brown@...el.com>, Tom Gundersen <teg@...m.no> Subject: [15/66] intel_idle: do not use the LAPIC timer for ATOM C2 2.6.36-stable review patch. If anyone has any objections, please let us know. ------------------ From: Len Brown <len.brown@...el.com> commit c25d29952b2a8c9aaf00e081c9162a0e383030cd upstream. If we use the LAPIC timer during ATOM C2 on some nvidia chisets, the system stalls. https://bugzilla.kernel.org/show_bug.cgi?id=21032 Signed-off-by: Len Brown <len.brown@...el.com> Cc: Tom Gundersen <teg@...m.no> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de> --- drivers/idle/intel_idle.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -276,7 +276,7 @@ static int intel_idle_probe(void) case 0x1C: /* 28 - Atom Processor */ case 0x26: /* 38 - Lincroft Atom Processor */ - lapic_timer_reliable_states = (1 << 2) | (1 << 1); /* C2, C1 */ + lapic_timer_reliable_states = (1 << 1); /* C1 */ cpuidle_state_table = atom_cstates; break; #ifdef FUTURE_USE -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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