On Tue, May 15, 2012 at 04:32:51PM -0500, Anthony Liguori wrote: > Riku, > > Can you review/ack this patch?
Acked-by: Riku Voipio <riku.voi...@linaro.org> Are there any other Linux-user patches to consider for 1.1 ? > > Regards, > > Anthony Liguori > > > On 05/15/2012 03:35 PM, Peter Maydell wrote: > >Ping? This is 1.1 material in my opinion... > > > >(patchwork url: http://patchwork.ozlabs.org/patch/158556/) > > > >-- PMM > > > >On 11 May 2012 17:25, Peter Maydell<peter.mayd...@linaro.org> wrote: > >>On 11 May 2012 09:40, Alexander Graf<ag...@suse.de> wrote: > >>>If we execute linux-user code that does the following: > >>> > >>> * A = mmap() > >>> * execute code in A > >>> * munmap(A) > >>> * B = mmap(), but mmap returns the same address as A > >>> * execute code in B > >>> > >>>we end up executing a stale cached tb that contains translated code > >>>from A, while we want new code from B. > >>> > >>>This patch adds a TB flush for mmap'ed regions, before we return them, > >>>avoiding the whole issue. It also adds a flush for munmap, so that we > >>>don't execute stale TBs instead of getting a segfault. > >>> > >>>Reported-by: Peter Maydell<peter.mayd...@linaro.org> > >>>Signed-off-by: Alexander Graf<ag...@suse.de> > >> > >>Reviewed-by: Peter Maydell<peter.mayd...@linaro.org> > >> > >>-- PMM > >
