Hi,
On Sun, Jan 13, 2013 at 8:50 PM, horseriver <[email protected]> wrote: > On Sun, Jan 13, 2013 at 09:27:45PM -0800, Dave Hylands wrote: > > Hi, > > > > On Sun, Jan 13, 2013 at 11:29 AM, horseriver <[email protected]> > wrote: > > > > > > hi: > > > > > > In kernel code . some function is defined by > > __attribute__((__section__(".initcall" level ".init"))) > > > > > > what does this do ? > > > > It puts the address of the function in a linker section named > > .initcallX.init where X is replaced by the level. > > > > These functions are called in order to initialize various subsystems and > > drivers during kernel bootup. > > Thanks! > > Another question: > > __attribute__((regparm(3))) ; what does this do ? > > It causes the compiler to pass the argument (3 in this case) to be passed in registers (like EAX, ECX and EDX) instead of stack. Thanks, Ramesh > > > > > -- > > Dave Hylands > > Shuswap, BC, Canada > > http://www.davehylands.com > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >
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