On Sat, 26 May 2001, Florian Lohoff wrote: > Export the existance of ll/sc via /proc/cpuinfo or whatever. That's a valid approach and also nothing new to glibc -- see Alpha and in()/out() support. But do we want an extra overhead due to an indirect call? Especially as _test_and_set() gets usually inlined? > I dont think this is true necessarly - There are still people building > embedded x86 systems based on 386 cores. Look at the vr41xx systems - They > do also lack the ll/sc afaik. This is nowadays the most commonly > used embedded/pda cpu. Are vr41xx plain ISA I or crippled ISA II+ CPUs? -- + Maciej W. Rozycki, Technical University of Gdansk, Poland + +--------------------------------------------------------------+ + e-mail: macro@ds2.pg.gda.pl, PGP key available +
