POINT-TO-POINT SHARED MEMORY PROTOCOL WITH FEATURE NEGOTIATION
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United States of America Patent
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Issued Date -
May 14, 2015
app pub date -
Nov 11, 2013
filing date -
Nov 11, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for negotiating a feature on a multiprocessor system includes determining, at a local processor, whether a remote shared memory (SMEM) item of a remote processor exists; reading, in response to determining that the remote SMEM item exists, a remote version and a remote feature flags value of the remote SMEM item; setting a local version number for a local SMEM item based on the remote version number; setting a local feature flags value for the local SMEM item based on the remote feature flags value; and creating the local SMEM item, the local SMEM item populated with the set local version number and the set local feature flags value.
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