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Re: [XenPPC] [PATCH] Disable DPM until code is audited



thanks Amos!
-JX
On Dec 4, 2006, at 10:37 AM, Amos Waterland wrote:

On Sat, Dec 02, 2006 at 10:31:11AM -0500, Jimi Xenidis wrote:
The following patch results in SMP stability on Maple. Amos,
Kawachiya-san, could one of you ack it with the JS20 in question?

@@ -193,10 +193,10 @@ void cpu_initialize(int cpuid)
     mtdec(timebase_freq);
     mthdec(timebase_freq);
- /* FIXME Do not set the NAP and DPM bits in HID0 until we have had a
-     * chance to audit the safe halt and idle loop code. */
+ /* FIXME Do not set the NAP bit in HID0 until we have had a chance
+     * to audit the safe halt and idle loop code. */
     hid0.bits.nap = 0;      /* NAP */
-    hid0.bits.dpm = 0;      /* Dynamic Power Management */
+    hid0.bits.dpm = 1;      /* Dynamic Power Management */
     hid0.bits.nhr = 1;      /* Not Hard Reset */
     hid0.bits.hdice_en = 1; /* enable HDEC */

This works on the JS20 in TRL.

Acked-by: Amos Waterland <apw@xxxxxxxxxx>



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