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    SubjectRe: Rgeression: 2.6.30-rc6-git3 build error - ICE from drivers/char/random.c

    On Tue, 19 May 2009, Martin Knoblauch wrote:
    > With your patch, the problem still remains. Line 1685 is the end of the patched routine now.

    Ok, so can you do two other simple tests:

    - just remove the "+ (long)&ret" entirely.

    Now, usually gcc doesn't have issues with non-asm things, but that's an
    odd way of getting the current stack address by lookin gat the address
    of a variable that hasn't even been used, so maybe it triggers some
    untested codepath in gcc (and thus the bug).

    - if that doesn't make a difference, then remove the "get_cycles() +"
    part instead.

    The fact that "arch/x86/include/asm/tsc.h:23" is mentioned in the insn
    dump does make it look like get_cycles(), but on the other hand I'd
    have actually expected it to be "arch/x86/include/asm/msr.h:112",
    because that is the location of the actual asm statement.

    Just to see which part of it gcc has issues with.


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