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    SubjectRe: [PATCH 1/2] core dump: drop VM_ALWAYSDUMP flag
    On Wed, Mar 07, 2012 at 04:26:46PM -0500, Chris Metcalf wrote:
    > On 3/7/2012 4:19 PM, Jason Baron wrote:
    > > On Wed, Mar 07, 2012 at 11:43:02AM -0800, Roland McGrath wrote:
    > >>> well, sure, we can provide an arch interface, for this check. I'm more
    > >>> concerned with the general idea. If it seems ok, I can re-do this bit
    > >>> with an arch interface.
    > >> Anything based on strcmp is dismal. VM_ALWAYSDUMP was nice and clean.
    > >> A hook along the lines of arch_vma_name would be clean enough I suppose.
    > >> In fact, there is only one instance today (tile) where arch_vma_name()!=NULL
    > >> wouldn't do just what you need.
    > >>
    > > Yeah, so I think something like the following would work (adding Tile
    > > maintainer to 'cc list).
    > Thanks!
    > My instinct would be not to special-case it in always_dump_vma(). Since
    > it's just a one-page region anyway, and it is at least potentially
    > interesting, I'm happy to always dump it. Alternately, we can just get rid
    > of the "[intrpt]" name, which I just put in to be cute (and since it was
    > easy to identify the mapping in question). Regardless, since that region
    > doesn't exist on our current 64-bit architecture, I'm not too concerned
    > with how it's handled going forward, since I expect the 32-bit platform to
    > become less popular over time. I'd vote for generic code cleanliness.

    Ok, I'll just always dump it.



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