Re: volanoMark 24% regression in 2.6.24-rc6: why a simple patch makes it

2007-12-25 Thread Ingo Molnar
* Zhang, Yanmin <[EMAIL PROTECTED]> wrote: > The solution is just to revert patch > fbdcf18df73758b2e187ab94678b30cd5f6ff9f9, because other 2 patches > which fixed the same issue are already in 2.6.24-rc5. Linus, please revert fbdcf18df73758, as requested by Yanmin. It was noticed before (by

volanoMark 24% regression in 2.6.24-rc6: why a simple patch makes it

2007-12-24 Thread Zhang, Yanmin
With kernel 2.6.24-rc6, volanoMark has much regression. 1) On 8-core stoakley: 17%; 2) On 16-core tigerton: 24%. I bisected it down to patch fbdcf18df73758b2e187ab94678b30cd5f6ff9f9. It is to fix the bad cpu number in /proc/cpuinfo. As a matter of fact, this issue is already fixed by other 2 patc