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Re: Merge of rmind-uvmplock branch
On Tue, 31 May 2011 22:15:36 +0100
Mindaugas Rasiukevicius <rmind%netbsd.org@localhost> wrote:
> Unless anyone objects, I will merge rmind-uvmplock branch. The technical
> objectives of the branch are described here:
> This results in:
> - Rewritten x86 TLB handler, which is simpler and cleaner C code.
> - UVM provides extra serialisation for pmap(9), therefore easier to make
> implementations concurrent on other architectures, like sparc64.
> - Reduced locking overhead and coalesced TLB shootdowns on x86, therefore
> some performance improvement on such workloads like ./build.sh -j N.
> - Unified /dev/mem et al, and overall changes cut ~3600 lines of code.
> Thanks to Andrew Doran and Joerg Sonnenberger, as their initial patches
> formed the core changes of this branch.
NetBSD - Simplicity is prerequisite for reliability
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