Commit 9a6d44b9 authored Feb 03, 2011 by Kamal Mostafa Committed by Ingo Molnar Feb 14, 2011

x86: Emit "mem=nopentium ignored" warning when not supported



Emit warning when "mem=nopentium" is specified on any arch other
than x86_32 (the only that arch supports it).

Signed-off-by: Kamal Mostafa <kamal@canonical.com>
BugLink: http://bugs.launchpad.net/bugs/553464


Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Len Brown <len.brown@intel.com>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
LKML-Reference: <1296783486-23033-2-git-send-email-kamal@canonical.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: <stable@kernel.org>

parent 77eed821

arch/x86/kernel/e820.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -847,12 +847,15 @@ static int __init parse_memopt(char *p)
		if (!p)
		return -EINVAL;

		#ifdef CONFIG_X86_32
		if (!strcmp(p, "nopentium")) {
		#ifdef CONFIG_X86_32
		setup_clear_cpu_cap(X86_FEATURE_PSE);
		return 0;
		}
		#else
		printk(KERN_WARNING "mem=nopentium ignored! (only supported on x86_32)\n");
		return -EINVAL;
		#endif
		}

		userdef = 1;
		mem_size = memparse(p, &p);