* [TRIVIAL] [PATCH] notsc-warning_A0
@ 2002-08-19 21:53 john stultz
0 siblings, 0 replies; only message in thread
From: john stultz @ 2002-08-19 21:53 UTC (permalink / raw)
To: marcelo; +Cc: Alan Cox, lkml
Marcelo,
This patch simply prints a warning message when "notsc" is passed to a
kernel that is compiled w/ CONFIG_X86_TSC, and thus ignores the boot
option (Also renames tsc_setup -> notsc_setup).
thanks
-john
diff -Nru a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
--- a/arch/i386/kernel/setup.c Mon Aug 19 14:49:55 2002
+++ b/arch/i386/kernel/setup.c Mon Aug 19 14:49:55 2002
@@ -1138,14 +1138,19 @@
#ifndef CONFIG_X86_TSC
static int tsc_disable __initdata = 0;
-static int __init tsc_setup(char *str)
+static int __init notsc_setup(char *str)
{
tsc_disable = 1;
return 1;
}
-
-__setup("notsc", tsc_setup);
+#else
+static int __init notsc_setup(char *str)
+{
+ printk("notsc: Kernel compiled with CONFIG_X86_TSC, cannot disable TSC.\n");
+ return 1;
+}
#endif
+__setup("notsc", notsc_setup);
static int __init highio_setup(char *str)
{
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