From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marcelo Tosatti <mtosatti@redhat.com>
Subject: [patch 00/11] convert slotslock to SRCU
Date: Wed, 23 Dec 2009 09:38:33 -0200
Message-ID: <20091223113833.742662117@redhat.com>
Cc: avi@redhat.com
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Now that synchronize_srcu_expedited is in the tree, we can continue the 
convertion of slots_lock to SRCU.

Results:
up:

srcu-memslot:
cpuid 2157
vmcall 1992
mov_from_cr8 11
mov_to_cr8 17
inl_from_pmtimer 11226
ipi (skipped)
ipi+halt (skipped)

stock:
cpuid 2272
vmcall 2114
mov_from_cr8 11
mov_to_cr8 17
inl_from_pmtimer 11521
ipi (skipped)
ipi+halt (skipped)

vmcall 6.1% improvement

smp 2:

srcu-memslot:
cpuid 2333
vmcall 2165
mov_from_cr8 11
mov_to_cr8 18
inl_from_pmtimer 12233
ipi 40734
ipi+halt 41675

stock:
cpuid 2512
vmcall 2367
mov_from_cr8 11
mov_to_cr8 18
inl_from_pmtimer 12821
ipi 42941
ipi+halt 43146

vmcall 9.3% improvement