From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: linux-ia64@vger.kernel.org
Subject: [PATCH] 2.4 IA64 config help update
Date: Wed, 10 Sep 2003 18:16:38 +0000 [thread overview]
Message-ID: <marc-linux-ia64-106321818220437@msgid-missing> (raw)
This updates some IA64-specific config help text to match
what's in 2.5.
=== Documentation/Configure.help 1.192 vs edited ==--- 1.192/Documentation/Configure.help Wed Sep 3 18:40:00 2003
+++ edited/Documentation/Configure.help Wed Sep 10 14:13:05 2003
@@ -27000,11 +27000,13 @@
# Choice: ia64type
Itanium
CONFIG_ITANIUM
- Select your IA64 processor type. The default is Intel Itanium.
+ Select your IA-64 processor type. The default is Intel Itanium.
+ This choice is safe for all IA-64 systems, but may not perform
+ optimally on systems with, say, Itanium 2 or newer processors.
-McKinley
+Itanium 2
CONFIG_MCKINLEY
- Select this to configure for a McKinley processor.
+ Select this to configure for an Itanium 2 (McKinley) processor.
# Choice: ia64system
IA-64 system type
@@ -27060,6 +27062,14 @@
CONFIG_IA64_MCA
Say Y here to enable machine check support for IA-64. If you're
unsure, answer Y.
+
+Use PAL_HALT_LIGHT in idle loop
+CONFIG_IA64_PAL_IDLE
+ Say Y here to enable use of PAL_HALT_LIGHT in the cpu_idle loop.
+ This allows the CPU to enter a low power state when idle. You
+ can enable CONFIG_IA64_PALINFO and check /proc/pal/cpu0/power_info
+ to see the power consumption and latency for this state. If you're
+ unsure your firmware supports it, answer N.
Disable IA-64 Virtual Hash Page Table
CONFIG_DISABLE_VHPT
reply other threads:[~2003-09-10 18:16 UTC|newest]
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