From: john stultz <johnstul@us.ibm.com>
To: marcelo <marcelo@conectiva.com.br>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, lkml <linux-kernel@vger.kernel.org>
Subject: [TRIVIAL] [PATCH] notsc-warning_A0
Date: 19 Aug 2002 14:53:01 -0700 [thread overview]
Message-ID: <1029793982.948.204.camel@cog> (raw)
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)
{
reply other threads:[~2002-08-19 22:04 UTC|newest]
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