This is a note to let you know that I've just added the patch titled
x86: Emit "mem=nopentium ignored" warning when not supported
to the 2.6.32-longterm tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/longterm/longterm-queue-2.6.32.git;a=summary
The filename of the patch is:
x86-emit-mem-nopentium-ignored-warning-when-not-supported.patch
and it can be found in the queue-2.6.32 subdirectory.
If you, or anyone else, feels it should not be added to the 2.6.32 longterm
tree,
please let <[email protected]> know about it.
>From 9a6d44b9adb777ca9549e88cd55bd8f2673c52a2 Mon Sep 17 00:00:00 2001
From: Kamal Mostafa <[email protected]>
Date: Thu, 3 Feb 2011 17:38:05 -0800
Subject: x86: Emit "mem=nopentium ignored" warning when not supported
From: Kamal Mostafa <[email protected]>
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 <[email protected]>
BugLink: http://bugs.launchpad.net/bugs/553464
Cc: Yinghai Lu <[email protected]>
Cc: Len Brown <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
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
@@ -1236,12 +1236,15 @@ 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);
Patches currently in longterm-queue-2.6.32 which might be from
[email protected] are
/home/gregkh/linux/longterm/longterm-queue-2.6.32/queue-2.6.32/x86-fix-panic-when-handling-mem-invalid-param.patch
/home/gregkh/linux/longterm/longterm-queue-2.6.32/queue-2.6.32/x86-emit-mem-nopentium-ignored-warning-when-not-supported.patch
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