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authorMiod Vallat <miod@cvs.openbsd.org>2007-10-27 20:35:22 +0000
committerMiod Vallat <miod@cvs.openbsd.org>2007-10-27 20:35:22 +0000
commit46e1c801d7a9835e871c570047964806aa7e6485 (patch)
tree9c9da3e7deb97c9f2e8c07ee64ebc115c4029194 /usr.sbin/accton
parent39826bed35d5224e115fe5fafa745276767e86a3 (diff)
In __cpu_simple_lock() and __cpu_simple_lock_try(), use a local u_int instead
of a local __cpu_simple_lock_t (which is volatile), so that the compiler can optimize it to a register, instead of using a memory location (and doing stores into it when __cpu_simple_lock() is spinning). This makes the MP code a bit smaller and a bit faster.
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