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bug2833
cloud-kernel
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3b4dadf0
cloud-kernel
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体验新版 GitCode,发现更多精彩内容 >>
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3b4dadf0
编写于
4月 05, 2009
作者:
L
Len Brown
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差异文件
Merge branch 'acpi_enforce_resources' into release
上级
59b17bf6
7e90560c
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
19 addition
and
3 deletion
+19
-3
Documentation/kernel-parameters.txt
Documentation/kernel-parameters.txt
+16
-0
drivers/acpi/osl.c
drivers/acpi/osl.c
+3
-3
未找到文件。
Documentation/kernel-parameters.txt
浏览文件 @
3b4dadf0
...
...
@@ -258,6 +258,22 @@ and is between 256 and 4096 characters. It is defined in the file
to assume that this machine's pmtimer latches its value
and always returns good values.
acpi_enforce_resources= [ACPI]
{ strict | lax | no }
Check for resource conflicts between native drivers
and ACPI OperationRegions (SystemIO and SystemMemory
only). IO ports and memory declared in ACPI might be
used by the ACPI subsystem in arbitrary AML code and
can interfere with legacy drivers.
strict (default): access to resources claimed by ACPI
is denied; legacy drivers trying to access reserved
resources will fail to bind to device using them.
lax: access to resources claimed by ACPI is allowed;
legacy drivers trying to access reserved resources
will bind successfully but a warning message is logged.
no: ACPI OperationRegions are not marked as reserved,
no further checks are performed.
agp= [AGP]
{ off | try_unsupported }
off: disable AGP support
...
...
drivers/acpi/osl.c
浏览文件 @
3b4dadf0
...
...
@@ -1063,9 +1063,9 @@ __setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup);
* in arbitrary AML code and can interfere with legacy drivers.
* acpi_enforce_resources= can be set to:
*
* - strict
(2)
* - strict
(default)
(2)
* -> further driver trying to access the resources will not load
* - lax
(default)
(1)
* - lax
(1)
* -> further driver trying to access the resources will load, but you
* get a system message that something might go wrong...
*
...
...
@@ -1077,7 +1077,7 @@ __setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup);
#define ENFORCE_RESOURCES_LAX 1
#define ENFORCE_RESOURCES_NO 0
static
unsigned
int
acpi_enforce_resources
=
ENFORCE_RESOURCES_
LAX
;
static
unsigned
int
acpi_enforce_resources
=
ENFORCE_RESOURCES_
STRICT
;
static
int
__init
acpi_enforce_resources_setup
(
char
*
str
)
{
...
...
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