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
