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    SubjectRe: Linux 2.6.0-test6
    On Sun, Sep 28, 2003 at 02:19:24PM +0200, Oliver Pitzeier wrote:
    > Hi folks/Linus!
    > Linus Torvalds wrote:
    > > Ok, too long between test5 and test6 again, so the patch is
    > > pretty big. Lots of driver updates and architectures fixed,
    > > but also lots of merges from Andrew Morton. Most notably
    > > perhaps Con's scheduler changes that have been discussed
    > > extensively and made it into the -mm tree for testing.
    > It work's on my Intel machine, but on Alpha, I get this:
    > <snip>
    > CC init/version.o
    > LD init/built-in.o
    > LD .tmp_vmlinux1
    > kernel/built-in.o: In function `try_to_wake_up':
    > kernel/built-in.o(.text+0x438): undefined reference to `sched_clock'

    unsigned long long default_sched_clock(void)
    return (unsigned long long)jiffies * (1000000000 / HZ);

    in kernel/sched.c and

    #define sched_clock default_sched_clock

    in include/asm-alpha/system.h

    FWIW, the former should've been done from the very beginning and sched_clock
    should've been made a weak alias for default_sched_clock. That would avoid
    the breakage of platforms original patch didn't update.

    BTW, how about adding weak_alias(type, name, args, default_variant) to
    compiler.h? For most platforms it would be

    #define weak_alias(type, name, args, default_variant) \
    type name args __attribute__((weak, alias(#default_variant)));

    Note that we already have something similar - cond_syscall(name) would
    become weak_alias(asmlinkage long, name, (void), sys_ni_syscall) and
    platform-specific stuff could be taken from current definitions of this
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