Messages in this thread |  | | | Subject | Re: [PATCH] tty: preparatory structures for termios revamp | | From | David Woodhouse <> | | Date | Thu, 19 Oct 2006 07:45:08 +0100 |
On Wed, 2006-10-18 at 18:39 +0100, Alan Cox wrote: > In order to sort out our struct termios and add proper speed control we > need to separate the kernel and user termios structures. Glibc is fine > but the other libraries rely on the kernel exported struct termios and > we need to extend this without breaking the ABI/API > > To do so we add a struct ktermios which is the kernel view of a termios > structure and overlaps the struct termios with extra fields on the end > for now. (That limitation will go away in later patches). Some platforms > (eg alpha) planned ahead and thus use the same struct for both, others > did not. > > > This just adds the structures but does not use them, it seems a sensible > splitting point for bisect if there are compile failures (not that I > expect them)
Why have separate copies of almost identical structures in each architecture -- can we not put the new structure in asm-generic/termbits.h and use that for all but SPARC, which has the extra _x_cc field?
-- dwmw2
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