KVM MMU: allow more page become unsync at gfn mapping time
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From: Marcelo Tosatti on 30 Apr 2010 15:40 On Wed, Apr 28, 2010 at 11:55:49AM +0800, Xiao Guangrong wrote: > In current code, shadow page can become asynchronous only if one > shadow page for a gfn, this rule is too strict, in fact, we can > let all last mapping page(i.e, it's the pte page) become unsync, > and sync them at invlpg or flush tlb time. > > This patch allow more page become asynchronous at gfn mapping time > > Signed-off-by: Xiao Guangrong <xiaoguangrong(a)cn.fujitsu.com> Xiao, This patch breaks Fedora 8 32 install. Reverted patches 5-10. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Xiao Guangrong on 5 May 2010 08:30
Marcelo Tosatti wrote: > On Wed, Apr 28, 2010 at 11:55:49AM +0800, Xiao Guangrong wrote: >> In current code, shadow page can become asynchronous only if one >> shadow page for a gfn, this rule is too strict, in fact, we can >> let all last mapping page(i.e, it's the pte page) become unsync, >> and sync them at invlpg or flush tlb time. >> >> This patch allow more page become asynchronous at gfn mapping time >> >> Signed-off-by: Xiao Guangrong <xiaoguangrong(a)cn.fujitsu.com> > > Xiao, > > This patch breaks Fedora 8 32 install. Reverted patches 5-10. Hi Marcelo, Sorry for the delay reply since i'm on holiday. I have found the reason of this issue, two fix patches will be sent soon, could you please try it? Thanks, Xiao -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |