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lib: memtest: Add MEMTEST_ENABLE_DEFAULT option

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As of now memtest remains disabled until we specify the patterns
through the kernel command line. Some platforms have two
different configurations files (one for debug and another for
product) which can use the configuration option to enable the
memtest by default (in the debug configuration file).

CRs-Fixed: 1007344
Change-Id: I0bf7b33c3584f3d6cf5ef58dfe72be46212041da
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
This commit is contained in:
Trilok Soni 2016-04-21 15:46:42 -07:00 • committed by Jeevan Shriram
parent 587dc80c8c
commit 1ca0992ef1
2 changed files with 15 additions and 2 deletions
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13
lib/Kconfig.debug
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@ -1941,6 +1941,19 @@ config MEMTEST
memtest=17, mean do 17 test patterns.
If you are unsure how to answer this question, answer N.
config MEMTEST_ENABLE_DEFAULT
int "Enable Memtest pattern test by default? (0-17)"
range 0 17
default "0"
depends on MEMTEST
help
This option helps to select Memtest to be enabled through
kernel defconfig options. Alternatively it can be enabled
using memtest=<patterns> kernel command line.
Default value is kept as "0" so that it is kept as disabled.
To enable enter any value between 1-17 range.
config TEST_STATIC_KEYS
tristate "Test static keys"
default n

4
mm/memtest.c
View file

@ -80,8 +80,8 @@ static void __init do_one_pass(u64 pattern, phys_addr_t start, phys_addr_t end)
}
/* default is disabled */
static unsigned int memtest_pattern __initdata;
static unsigned int memtest_pattern __initdata =
CONFIG_MEMTEST_ENABLE_DEFAULT;
static int __init parse_memtest(char *arg)
{
int ret = 0;