討論串cvs commit: src/lib/libthread_xu Makefile pthread.map src/li
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On Tue, Feb 01, 2005 at 03:14:47PM -0800, Matthew Dillon wrote:. > :This is an optimisation for the intra-program switch if you want to call it so.> :
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You pretty much always want to have just a single page table with a. threaded program. The %cr3 optimization is a nice plus, but it isn't. why the pag
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On Tue, Feb 01, 2005 at 10:41:24AM -0800, Matthew Dillon wrote:. > :We have to touch the page tables for a process switch anyway, it's not. > :that ex
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This is an area that probably needs a good going over and a rewrite.. If we want to support 'native' threads then we want an RF_CLONE for. rfork that
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The rfork'd processes are sharing the same page table, and the switch. code detects this and does not bother to reload %cr3 (which saves a lot. of cpu
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