Am Donnerstag, 31. Juli 2003 15:06 schrieb Bertin Philippe:
> 'Llo All,
>
> I have a (kernel reader newbie) question :
> In kernel version's 2.4.20's usb.c, function usb_get_configuration(), one
> sees buffer be kmalloc'ed. Is there a reason why not to just have it
> declared on the stack (as a char[8]) ? Maybe hardware alignment ? If that
> last is not the case, then this kmalloc looks overkill, doesn't it ? Or is
> there another good reason ?
You must not do DMA on the stack.
HTH
Oliver
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