On Thu, 18 Jul 2013 12:40:04 +0200 Michael Holzheu <holzheu at linux.vnet.ibm.com> wrote: > On Wed, 17 Jul 2013 17:42:07 -0400 > Vivek Goyal <vgoyal at redhat.com> wrote: > > On Wed, Jul 17, 2013 at 06:00:49PM +0200, Michael Holzheu wrote: > > [snip] > > > > But this is all additional effort now and would not be necessary if we > > > integrate this patch series in 3.11. > > > > > > Perhaps we should let Andrew decide here. > > > > Hi Michael, > > > > Given the fact that andrew too prefers a fix to get s390 working at this > > stage can we modify s390 copy_from_oldmem() to be able to copy to > > vmalloc() memory area. > > > > For mmap(), let us disable it on s390. And rest of the cleanups w.r.t > > ELF header swap etc, let us now target that for 3.12. > > > > Sounds reasonable? > > Hi Vivek, > > Ok this is not our preferred solution but we can't expect that life is > always easy ;-) > > Our s390 kernel maintainer Martin Schwidefsky agreed to send the following > two patches upstream for 3.11: > > * s390/kdump: Disable mmap for s390 > * s390/kdump: Allow copy_oldmem_page() copy to virtual memory Patches have been added to git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features They will go upstream with my next pull request. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.