On 11/08/2016 17:24, Alex Bennée wrote: > tb_lock() has long been used for linux-user mode to protect code > generation. By enabling it now we prepare for MTTCG and ensure all code > generation is serialised by this lock. The other major structure that > needs protecting is the l1_map and its PageDesc structures. For the > SoftMMU case we also use tb_lock() to protect these structures instead > of linux-user mmap_lock() which as the name suggests serialises updates > to the structure as a result of guest mmap operations. > > Signed-off-by: Alex Bennée <alex.ben...@linaro.org> > > --- > v4 > - split from main tcg: enable thread-per-vCPU patch
Is it possible to extend this patch so that tb_lock/tb_unlock are no-ops unless tcg_enabled()? Maybe even move tb_lock/tb_unlock to tcg/tcg.h as inlines and only leaving the actual TCG path in translate-all.c... Thanks, Paolo
