On Sun, 3 Jun 2001 00:23:10 +0100, Alan Cox wrote:
>2.4.5-ac6
>...
>o Resync with Eric's master Configure.help (Eric Raymond)
ac5->ac6 accidentally(?) dropped the help text for CONFIG_X86_UP_APIC.
Patch below (vs -ac7) adds it back. Please apply.
/Mikael
--- linux-2.4.5-ac7/Documentation/Configure.help.~1~ Sun Jun 3 12:59:52 2001
+++ linux-2.4.5-ac7/Documentation/Configure.help Sun Jun 3 13:06:50 2001
@@ -243,6 +243,18 @@
chip, if it's not found then Linux falls back to PC-style interrupt
handling.
+APIC Support on Uniprocessors
+CONFIG_X86_UP_APIC
+ APIC (Advanced Programmable Interrupt Controller) is a scheme for
+ delivering hardware interrupt requests to the CPU. It is commonly
+ used on systems with several CPUs. If you have a single-CPU system
+ which has a processor that has an integrated APIC, you can say Y
+ here to enable and use it. If you say Y here even though your
+ machine doesn't have an APIC, then the kernel will still run with no
+ slowdown at all. The advantage of APIC support is the possibility
+ to use performance counters, and the APIC based NMI watchdog which
+ detects hard lockups.
+
Kernel math emulation
CONFIG_MATH_EMULATION
Linux can emulate a math coprocessor (used for floating point
-
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