Marcelo Tosatti wrote: > On Tue, Jul 13, 2010 at 05:45:27PM +0800, Xiao Guangrong wrote: >> In speculative path, the page is not real write-access, no need mark it >> dirty, so clear dirty bit in this path and later examine this bit when >> we release the page >> >> Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx> >> --- >> arch/x86/kvm/mmu.c | 24 +++++++++++------------- >> 1 files changed, 11 insertions(+), 13 deletions(-) > > Unfortunately all pages that kvm creates translations for are marked > dirty due to get_user_pages(w=1), except KSM which makes them read-only > later. Marcelo, i have looked into get_user_pages() function, but not catch where to make page dirty, could you point it out for me? :-) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
