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This is a major rewrite compared to my v1 series, where I've tried a lot harder to ensure that we still accommodate building on Haiku (although I have not actually yet fired up a Haiku VM to try it for myself). I also managed to make the sh plugin fully parallel, on capable platforms. See also my question on patch 10 on whether I've picked the best naming convention. Eric Blake (17):

...12.75417 4 x 10 19506.151 22661.801 20843.142 21154.886 1329.5591 8 x 10 53150.178 55594.073 54132.383 54227.117 728.42913 16 x 10 84281.93 91234.692 90917.411 90249.053 2108.903 32 x 10 80860.018 81500.369 81212.514 81201.361 205.66759 64 x 10 84090.033 85423.79 84505.041 84588.913 436.69012 ---------------- BASE + jumplabel_split+ jeremy patch (CONFIG_PARAVIRT_SPINLOCK = y) ===================================================== ------ scale=1 (32MB shared buf) ---------...

...12.75417 4 x 10 19506.151 22661.801 20843.142 21154.886 1329.5591 8 x 10 53150.178 55594.073 54132.383 54227.117 728.42913 16 x 10 84281.93 91234.692 90917.411 90249.053 2108.903 32 x 10 80860.018 81500.369 81212.514 81201.361 205.66759 64 x 10 84090.033 85423.79 84505.041 84588.913 436.69012 ---------------- BASE + jumplabel_split+ jeremy patch (CONFIG_PARAVIRT_SPINLOCK = y) ===================================================== ------ scale=1 (32MB shared buf) ---------...

From: Jeremy Fitzhardinge <jeremy.fitzhardinge at citrix.com> This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. (targeted for 3.5 window) Changes in V7: - Reabsed patches to 3.4-rc3 - Added jumplabel split patch (originally from Andrew Jones rebased to 3.4-rc3 - jumplabel changes from Ingo and Jason taken and now using

From: Jeremy Fitzhardinge <jeremy.fitzhardinge at citrix.com> This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. (targeted for 3.5 window) Changes in V7: - Reabsed patches to 3.4-rc3 - Added jumplabel split patch (originally from Andrew Jones rebased to 3.4-rc3 - jumplabel changes from Ingo and Jason taken and now using

This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. The series provides implementation for both Xen and KVM.(targeted for 3.5 window) Note: This needs debugfs changes patch that should be in Xen / linux-next https://lkml.org/lkml/2012/3/30/687 Changes in V8: - Reabsed patches to 3.4-rc4 - Combined the KVM changes with ticketlock

This series replaces the existing paravirtualized spinlock mechanism with a paravirtualized ticketlock mechanism. The series provides implementation for both Xen and KVM.(targeted for 3.5 window) Note: This needs debugfs changes patch that should be in Xen / linux-next https://lkml.org/lkml/2012/3/30/687 Changes in V8: - Reabsed patches to 3.4-rc4 - Combined the KVM changes with ticketlock