Doubt

Doubt

[so usp]

Hi Guys,

I would like to know when a compiling the kernel if a
really need to use the comand make modules_install.
I'm asking the question because a would like to use
the old kernel to with the new one that a create.

Luis Henrique.

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Re: Doubt

[Gard Spreemann]

On Friday 25 June 2004 21:14, so usp wrote:
> Hi Guys,
>
> I would like to know when a compiling the kernel if a
> really need to use the comand make modules_install.
> I'm asking the question because a would like to use
> the old kernel to with the new one that a create.

Do the make modules_install. The new modules will be in a separate directory 
(/lib/modules/<version>) and will not interfere with older kernels that you 
might have.

 -- Gard

Doubt

[so usp]

Hi...

i would like to know how to copy a string such as
"Test" to a char vector (char buffer[256]) in kernel
mode.

Thanks,
Luis Henrique.

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Re: Doubt

[Esteve Espuña Sargatal]

Example from  arch/i386/kernel/kgdb_stub.c:


#include <asm/string.h>         /* for strcpy */

static char remcomOutBuffer[BUFMAX];

strcpy(remcomOutBuffer, "OK");

Hope it's ok.

On Mon, 2004-06-28 at 20:43, so usp wrote:
> Hi...
> 
> i would like to know how to copy a string such as
> "Test" to a char vector (char buffer[256]) in kernel
> mode.
> 
> Thanks,
> Luis Henrique.
> 
> ______________________________________________________________________
> 
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Re: Doubt

[Christophe Saout]

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Am Mo, den 28.06.2004 um 20:59 Uhr +0200 schrieb Esteve Espuña Sargatal:

> #include <asm/string.h>         /* for strcpy */
> 
> static char remcomOutBuffer[BUFMAX];
> 
> strcpy(remcomOutBuffer, "OK");
> 
> Hope it's ok.

Not really. Well, this example here works, but only if you know that you
won't overflow the buffer.

strlcpy(emcomOutBuffer, "OK", BUFMAX);

(replace "OK" with the string you wish to copy)


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doubt

[durgam]

 i  am accessing a variable from two modules . in one module iam  reading
the varible , and in another module i am updating the variable for each a
second.
in the second module i am using interruptible_sleep_on_timeout so that it
will
be wake up after one second and update the varible. but the problem i am
facing is i couldn't read the variable in the first module  for the moment
of time when the second module gets sleep. please can any one help me to
come out .

phani