On Wed, Sep 10, 2014 at 11:27:16PM +0800, Baoquan He wrote: > On 09/10/14 at 11:05am, Vivek Goyal wrote: > > On Wed, Sep 10, 2014 at 07:41:38AM -0700, Kees Cook wrote: > > > On Wed, Sep 10, 2014 at 7:30 AM, Vivek Goyal <[email protected]> wrote: > > > > So I would suggest that test and repost the other patch with proper > > > > changelog > > > > and that might be sufficient for now. Only other thing we will need is > > > > Kees's patch for avoiding setup data regions in kaslr. > > > > > > If someone can confirm that my patch works, I can request x86 pull it. > > > > > > Currently living here: > > > https://git.kernel.org/cgit/linux/kernel/git/kees/linux.git/log/?h=kaslr > > > > > > > Bao, > > > > Can you please test Kees's patch and provide feedback. > > I can only use a trick by setting the E820_MAX to a very small number, > say 10 in kexec-tools. Then extra memory regions will be added into > setup data. Sufficient real test can't be taken by me since lack of > machine.
I think modifying kexec-tools test should be good. Also we prepare an kexec specific data blob for EFI machines and pass to second kernel through setup_data. We can put some printk and make sure this patch avoids that region. Thanks Vivek -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

