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Message-ID: <D936D925018D154694D8A362EEB0892005AC105D@orsmsx416.amr.corp.intel.com>
Date: Tue, 7 Oct 2008 13:34:47 -0700
From: "Cihula, Joseph" <joseph.cihula@...el.com>
To: <linux-kernel@...r.kernel.org>
Cc: "Wang, Shane" <shane.wang@...el.com>,
"Wei, Gang" <gang.wei@...el.com>,
"Van De Ven, Arjan" <arjan.van.de.ven@...el.com>,
"Mallick, Asit K" <asit.k.mallick@...el.com>,
"Nakajima, Jun" <jun.nakajima@...el.com>,
"Chris Wright" <chrisw@...hat.com>,
"Jan Beulich" <jbeulich@...ell.com>, <mingo@...e.hu>,
<tytso@....edu>
Subject: [RFC][PATCH 1/3] TXT: ACPI AddressRangeUnusuable support
See attached commit message (w/ patch), copied below:
Add support for the E820_UNUSABLE memory type, which is defined in
Revision 3.0b (Oct. 10, 2006) of the ACPI Specification on p. 394
Table
14-1:
AddressRangeUnusuable This range of address contains memory in which
errors have been detected. This range must not be used by the OSPM.
Signed-off-by: Joseph Cihula <joseph.cihula@...el.com>
Signed-off-by: Shane Wang <shane.wang@...el.com>
Signed-off-by: Gang Wei <gang.wei@...el.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Andi Kleen <andi@...stfloor.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---
arch/x86/kernel/e820.c | 4 ++++
include/asm-x86/e820.h | 1 +
2 files changed, 5 insertions(+)
diff -puN
arch/x86/kernel/e820.c~acpi-add-support-for-addressrangeunusuable-acpi-m
emory-type arch/x86/kernel/e820.c
---
a/arch/x86/kernel/e820.c~acpi-add-support-for-addressrangeunusuable-acpi
-memory-type
+++ a/arch/x86/kernel/e820.c
@@ -148,6 +148,9 @@ void __init e820_print_map(char *who)
case E820_NVS:
printk(KERN_CONT "(ACPI NVS)\n");
break;
+ case E820_UNUSABLE:
+ printk("(unusable)\n");
+ break;
default:
printk(KERN_CONT "type %u\n", e820.map[i].type);
break;
@@ -1260,6 +1263,7 @@ static inline const char *e820_type_to_s
case E820_RAM: return "System RAM";
case E820_ACPI: return "ACPI Tables";
case E820_NVS: return "ACPI Non-volatile Storage";
+ case E820_UNUSABLE: return "Unusable memory";
default: return "reserved";
}
}
diff -puN
include/asm-x86/e820.h~acpi-add-support-for-addressrangeunusuable-acpi-m
emory-type include/asm-x86/e820.h
---
a/include/asm-x86/e820.h~acpi-add-support-for-addressrangeunusuable-acpi
-memory-type
+++ a/include/asm-x86/e820.h
@@ -43,6 +43,7 @@
#define E820_RESERVED 2
#define E820_ACPI 3
#define E820_NVS 4
+#define E820_UNUSABLE 5
/* reserved RAM used by kernel itself */
#define E820_RESERVED_KERN 128
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Content-class: urn:content-classes:message
Subject: - acpi-add-support-for-addressrangeunusuable-acpi-memory-type.patch removed from -mm tree
Date: Tue, 26 Aug 2008 11:44:49 -0700
Message-ID: <200808261844.m7QIinld021343@...p1.linux-foundation.org>
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Thread-Topic: - acpi-add-support-for-addressrangeunusuable-acpi-memory-type.patch removed from -mm tree
Thread-Index: AckHq/M8DymmjbyVT/6tTW8tuGvnzw==
From: <akpm@...ux-foundation.org>
To: "Cihula, Joseph" <joseph.cihula@...el.com>,
<andi@...stfloor.org>,
"Wei, Gang" <gang.wei@...el.com>,
<mingo@...e.hu>,
"Wang, Shane" <shane.wang@...el.com>,
<tglx@...utronix.de>,
<mm-commits@...r.kernel.org>
The patch titled
acpi: add support for AddressRangeUnusuable ACPI memory type
has been removed from the -mm tree. Its filename was
acpi-add-support-for-addressrangeunusuable-acpi-memory-type.patch
This patch was dropped because it was merged into mainline or a =
subsystem tree
The current -mm tree may be found at =
http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: acpi: add support for AddressRangeUnusuable ACPI memory type
From: "Cihula, Joseph" <joseph.cihula@...el.com>
Add support for the E820_UNUSABLE memory type, which is defined in
Revision 3.0b (Oct. 10, 2006) of the ACPI Specification on p. 394 =
Table
14-1:
AddressRangeUnusuable This range of address contains memory in which
errors have been detected. This range must not be used by the OSPM.
Signed-off-by: Joseph Cihula <joseph.cihula@...el.com>
Signed-off-by: Shane Wang <shane.wang@...el.com>
Signed-off-by: Gang Wei <gang.wei@...el.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Andi Kleen <andi@...stfloor.org>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
---
arch/x86/kernel/e820.c | 4 ++++
include/asm-x86/e820.h | 1 +
2 files changed, 5 insertions(+)
diff -puN =
arch/x86/kernel/e820.c~acpi-add-support-for-addressrangeunusuable-acpi-me=
mory-type arch/x86/kernel/e820.c
--- =
a/arch/x86/kernel/e820.c~acpi-add-support-for-addressrangeunusuable-acpi-=
memory-type
+++ a/arch/x86/kernel/e820.c
@@ -148,6 +148,9 @@ void __init e820_print_map(char *who)
case E820_NVS:
printk(KERN_CONT "(ACPI NVS)\n");
break;
+ case E820_UNUSABLE:
+ printk("(unusable)\n");
+ break;
default:
printk(KERN_CONT "type %u\n", e820.map[i].type);
break;
@@ -1260,6 +1263,7 @@ static inline const char *e820_type_to_s
case E820_RAM: return "System RAM";
case E820_ACPI: return "ACPI Tables";
case E820_NVS: return "ACPI Non-volatile Storage";
+ case E820_UNUSABLE: return "Unusable memory";
default: return "reserved";
}
}
diff -puN =
include/asm-x86/e820.h~acpi-add-support-for-addressrangeunusuable-acpi-me=
mory-type include/asm-x86/e820.h
--- =
a/include/asm-x86/e820.h~acpi-add-support-for-addressrangeunusuable-acpi-=
memory-type
+++ a/include/asm-x86/e820.h
@@ -43,6 +43,7 @@
#define E820_RESERVED 2
#define E820_ACPI 3
#define E820_NVS 4
+#define E820_UNUSABLE 5
=20
/* reserved RAM used by kernel itself */
#define E820_RESERVED_KERN 128
_
Patches currently in -mm which might be from joseph.cihula@...el.com are
linux-next.patch
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