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    SubjectRe: Candidate Linux ABI for Intel AMX and hypothetical new related features
    On Fri, May 21, 2021 at 7:06 PM Dave Hansen <dave.hansen@intel.com> wrote:
    >
    > On 5/21/21 3:07 PM, Len Brown wrote:
    > > My concern about synchronous allocation is that it will be very easy
    > > to abuse. programs and threads can ask for buffers they will never
    > > use. With on-demand allocation, we allocate buffers only if they are
    > > actually needed.
    >
    > If someone wants to abuse the on-demand allocation, they will simply
    > write a single bit to an AMX register. That does *NOT* mean they will
    > actually execute an instruction that actually uses AMX to do something
    > meaningful.
    >
    > In the face of abuse, I think the two approaches are very similar.

    I didn't mean "abuse" in terms of malicious resource hogging.
    I meant "abuse" in terms of unnecessarily using resources out of laziness.

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