lkml.org 
[lkml]   [2011]   [Mar]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[24/87] x86: Emit "mem=nopentium ignored" warning when not supported
2.6.37-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Kamal Mostafa <kamal@canonical.com>

commit 9a6d44b9adb777ca9549e88cd55bd8f2673c52a2 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
arch/x86/kernel/e820.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -846,12 +846,15 @@ 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);



\
 
 \ /
  Last update: 2011-03-22 00:51    [W:0.176 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site