Messages in this thread | ![/](/images/icornerl.gif) | | Date | Fri, 11 Dec 2009 13:54:01 +0100 | Subject | Re: What's in asm-generic.git | From | Geert Uytterhoeven <> |
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On Thu, Dec 10, 2009 at 22:25, Arnd Bergmann <arnd@arndb.de> wrote: > On Thursday 10 December 2009, Mike Frysinger wrote: >> > I have found now that sys_accept4 was missing. sys_set_thread_area however >> > is only defined on x86 and mips. Since you don't currently implement this >> > on score, maybe it would be more appropriate to handle it like the other >> > architectures do, rather than adding it to asm-generic/unistd.h? >> >> isnt the point of asm-generic/unistd.h to collect all common syscalls >> ? if there's syscalls that ideally should be handled by everyone but >> currently doesnt, then it's easy to define it in the header but have >> the actual entry.S leave it as a hole ... > > Well, sys_thread_area is not a common syscall but rather an exception. > I haven't looked at how glibc does implents TLS on different architectures, > but I think this is commonly done purely in user space without the > need for a syscall.
10+ architectures already have sys_[sg]et_thread_area of have reserved entries for it.
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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