On Thu, Jul 18, 2013 at 12:47:54PM +0200, Martin Schwidefsky wrote: > 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. > If everything related to crash dump is going through Andrew, wouldn't it make sense that even these fixes go through him? https://git.kernel.org/cgit/linux/kernel/git/s390/linux.git/commit/?h=features&id=5a74953ff56aa870d6913ef4d81934f5c620c59d https://git.kernel.org/cgit/linux/kernel/git/s390/linux.git/commit/?h=features&id=191a2fa0a8d2bbb64c98f9b1976fcb37ee5eae6b Thanks Vivek
