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SubjectRe: [PATCH] kbuild: modules_install: Warn if System.map file is not found
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On 09/05/2018 12:17 AM, Masahiro Yamada wrote:
> Hi Randy,
>
> 2018-09-01 7:33 GMT+09:00 Randy Dunlap <rdunlap@infradead.org>:
>> From: Randy Dunlap <rdunlap@infradead.org>
>>
>> If there is no System.map file for "make modules_install",
>> scripts/depmod.sh will silently exit with success, having done
>> nothing. Since this is an unexpected situation, change it to
>> report a Warning for the missing file. The behavior is not
>> changed except for the Warning message.
>>
>> The (previous) silent success and new Warning can be reproduced
>> by:
>> $ make mrproper; make defconfig
>> $ make modules; make modules_install
>>
>> and since System.map is produced by "make vmlinux", the steps
>> above omit producing the System.map file.
>>
>> Reported-by: Masahiro Yamada <yamada.masahiro@socionext.com>
>> Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
>> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
>> ---
>> scripts/depmod.sh | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> --- lnx-419-rc1.orig/scripts/depmod.sh
>> +++ lnx-419-rc1/scripts/depmod.sh
>> @@ -11,6 +11,7 @@ DEPMOD=$1
>> KERNELRELEASE=$2
>>
>> if ! test -r System.map ; then
>> + echo "Warning: modules_install: missing 'System.map' file"
>> exit 0
>> fi
>
> Thanks for the patch.
>
>
> For consistency, I'd like to suggest '>&2' for this warning too.
>
>
> Also, could you add a little more info
> about what happened (or what did not happen) then ?
>
>
>
> For example,
>
>
> Warning: modules_install: missing 'System.map' file. Skipping depmod.

Sure, will do.

thanks,
--
~Randy

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