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Date: Thu, 19 Oct 2006 07:45:08 +0100 From: David Woodhouse <dwmw2@...radead.org> To: Alan Cox <alan@...rguk.ukuu.org.uk> Cc: akpm@...l.org, linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org Subject: Re: [PATCH] tty: preparatory structures for termios revamp 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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